Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i<

Natural enemy guilds normally forage for prey that is patchily distributed simultaneously. Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Xing-Lin Yu [verfasserIn] Rui Tang [verfasserIn] Peng-Liang Xia [verfasserIn] Bo Wang [verfasserIn] Yi Feng [verfasserIn] Tong-Xian Liu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Schlagwörter:	prey distribution interspecific interactions intraguild interactions biological control

Übergeordnetes Werk:	In: Insects - MDPI AG, 2011, 11(2020), 6, p 325
Übergeordnetes Werk:	volume:11 ; year:2020 ; number:6, p 325

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/insects11060325

Katalog-ID:	DOAJ008410356

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allfields	10.3390/insects11060325 doi (DE-627)DOAJ008410356 (DE-599)DOAJ77e18c62a6ff40ee8e50955f662c0942 DE-627 ger DE-627 rakwb eng Xing-Lin Yu verfasserin aut Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i< 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Natural enemy guilds normally forage for prey that is patchily distributed simultaneously. Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density. prey distribution interspecific interactions intraguild interactions biological control Science Q Rui Tang verfasserin aut Peng-Liang Xia verfasserin aut Bo Wang verfasserin aut Yi Feng verfasserin aut Tong-Xian Liu verfasserin aut In Insects MDPI AG, 2011 11(2020), 6, p 325 (DE-627)718627121 (DE-600)2662247-6 20754450 nnns volume:11 year:2020 number:6, p 325 https://doi.org/10.3390/insects11060325 kostenfrei https://doaj.org/article/77e18c62a6ff40ee8e50955f662c0942 kostenfrei https://www.mdpi.com/2075-4450/11/6/325 kostenfrei https://doaj.org/toc/2075-4450 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 6, p 325
spelling	10.3390/insects11060325 doi (DE-627)DOAJ008410356 (DE-599)DOAJ77e18c62a6ff40ee8e50955f662c0942 DE-627 ger DE-627 rakwb eng Xing-Lin Yu verfasserin aut Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i< 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Natural enemy guilds normally forage for prey that is patchily distributed simultaneously. Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density. prey distribution interspecific interactions intraguild interactions biological control Science Q Rui Tang verfasserin aut Peng-Liang Xia verfasserin aut Bo Wang verfasserin aut Yi Feng verfasserin aut Tong-Xian Liu verfasserin aut In Insects MDPI AG, 2011 11(2020), 6, p 325 (DE-627)718627121 (DE-600)2662247-6 20754450 nnns volume:11 year:2020 number:6, p 325 https://doi.org/10.3390/insects11060325 kostenfrei https://doaj.org/article/77e18c62a6ff40ee8e50955f662c0942 kostenfrei https://www.mdpi.com/2075-4450/11/6/325 kostenfrei https://doaj.org/toc/2075-4450 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 6, p 325
allfields_unstemmed	10.3390/insects11060325 doi (DE-627)DOAJ008410356 (DE-599)DOAJ77e18c62a6ff40ee8e50955f662c0942 DE-627 ger DE-627 rakwb eng Xing-Lin Yu verfasserin aut Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i< 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Natural enemy guilds normally forage for prey that is patchily distributed simultaneously. Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density. prey distribution interspecific interactions intraguild interactions biological control Science Q Rui Tang verfasserin aut Peng-Liang Xia verfasserin aut Bo Wang verfasserin aut Yi Feng verfasserin aut Tong-Xian Liu verfasserin aut In Insects MDPI AG, 2011 11(2020), 6, p 325 (DE-627)718627121 (DE-600)2662247-6 20754450 nnns volume:11 year:2020 number:6, p 325 https://doi.org/10.3390/insects11060325 kostenfrei https://doaj.org/article/77e18c62a6ff40ee8e50955f662c0942 kostenfrei https://www.mdpi.com/2075-4450/11/6/325 kostenfrei https://doaj.org/toc/2075-4450 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 6, p 325
allfieldsGer	10.3390/insects11060325 doi (DE-627)DOAJ008410356 (DE-599)DOAJ77e18c62a6ff40ee8e50955f662c0942 DE-627 ger DE-627 rakwb eng Xing-Lin Yu verfasserin aut Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i< 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Natural enemy guilds normally forage for prey that is patchily distributed simultaneously. Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density. prey distribution interspecific interactions intraguild interactions biological control Science Q Rui Tang verfasserin aut Peng-Liang Xia verfasserin aut Bo Wang verfasserin aut Yi Feng verfasserin aut Tong-Xian Liu verfasserin aut In Insects MDPI AG, 2011 11(2020), 6, p 325 (DE-627)718627121 (DE-600)2662247-6 20754450 nnns volume:11 year:2020 number:6, p 325 https://doi.org/10.3390/insects11060325 kostenfrei https://doaj.org/article/77e18c62a6ff40ee8e50955f662c0942 kostenfrei https://www.mdpi.com/2075-4450/11/6/325 kostenfrei https://doaj.org/toc/2075-4450 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 6, p 325
allfieldsSound	10.3390/insects11060325 doi (DE-627)DOAJ008410356 (DE-599)DOAJ77e18c62a6ff40ee8e50955f662c0942 DE-627 ger DE-627 rakwb eng Xing-Lin Yu verfasserin aut Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i< 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Natural enemy guilds normally forage for prey that is patchily distributed simultaneously. Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density. prey distribution interspecific interactions intraguild interactions biological control Science Q Rui Tang verfasserin aut Peng-Liang Xia verfasserin aut Bo Wang verfasserin aut Yi Feng verfasserin aut Tong-Xian Liu verfasserin aut In Insects MDPI AG, 2011 11(2020), 6, p 325 (DE-627)718627121 (DE-600)2662247-6 20754450 nnns volume:11 year:2020 number:6, p 325 https://doi.org/10.3390/insects11060325 kostenfrei https://doaj.org/article/77e18c62a6ff40ee8e50955f662c0942 kostenfrei https://www.mdpi.com/2075-4450/11/6/325 kostenfrei https://doaj.org/toc/2075-4450 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2020 6, p 325
language	English
source	In Insects 11(2020), 6, p 325 volume:11 year:2020 number:6, p 325
sourceStr	In Insects 11(2020), 6, p 325 volume:11 year:2020 number:6, p 325
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	prey distribution interspecific interactions intraguild interactions biological control Science Q
isfreeaccess_bool	true
container_title	Insects
authorswithroles_txt_mv	Xing-Lin Yu @@aut@@ Rui Tang @@aut@@ Peng-Liang Xia @@aut@@ Bo Wang @@aut@@ Yi Feng @@aut@@ Tong-Xian Liu @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	718627121
id	DOAJ008410356
language_de	englisch
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Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. 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author	Xing-Lin Yu
spellingShingle	Xing-Lin Yu misc prey distribution misc interspecific interactions misc intraguild interactions misc biological control misc Science misc Q Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i<
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topic_title	Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i< prey distribution interspecific interactions intraguild interactions biological control
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title	Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i<
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title_full	Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i<
author_sort	Xing-Lin Yu
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author_browse	Xing-Lin Yu Rui Tang Peng-Liang Xia Bo Wang Yi Feng Tong-Xian Liu
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title_sort	effects of prey distribution and heterospecific interactions on the functional response of <i<harmonia axyridis</i< and <i<aphidius gifuensis</i< to <i<myzus persicae</i<
title_auth	Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i<
abstract	Natural enemy guilds normally forage for prey that is patchily distributed simultaneously. Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density.
abstractGer	Natural enemy guilds normally forage for prey that is patchily distributed simultaneously. Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density.
abstract_unstemmed	Natural enemy guilds normally forage for prey that is patchily distributed simultaneously. Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density.
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container_issue	6, p 325
title_short	Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i<
url	https://doi.org/10.3390/insects11060325 https://doaj.org/article/77e18c62a6ff40ee8e50955f662c0942 https://www.mdpi.com/2075-4450/11/6/325 https://doaj.org/toc/2075-4450
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Previous studies have investigated the influence of conspecific interactions and prey distribution on the functional response of natural enemies. However, little is known about how prey distribution and heterospecific interactions between natural enemies could affect their foraging efficiency. We examined the effects of prey distribution (aggregate and uniform) and heterospecific interactions on the functional response of a predator, <i<Harmonia axyridis</i< (Pallas) (Coleoptera: Coccinellidae) and a parasitoid, <i<Aphidius gifuensis</i< Ashmead (Hymenoptera: Braconidae) to the green peach aphid, <i<Myzus persicae</i< (Sulzer) (Hemiptera: Aphididae). Type II functional responses were observed in all experiments. Functional response curves of single <i<H. axyridis</i< or <i<A. gifuensis</i< were higher in the aggregate treatment than in the uniform treatment when aphid densities were between 40–180 or 70–170, respectively. When comparing between aggregate and uniform treatments with the heterospecific enemy occurrence, no differences were found in the parasitism efficiency of <i<A. gifuensis</i<, while <i<H. axyridis</i< consumed more aphids in the aggregate treatment than in the uniform treatment when aphid densities were between 50–230. The functional response of individual <i<H. axyridis</i< was not affected by <i<A. gifuensis</i< under two aphid distributions. However, the functional response of a single <i<A. gifuensis</i< and the treatment when <i<A. gifuensis</i< concurrently with <i<H. axyridis</i< overlapped in uniform treatment of above approximately 150 aphids. Our results indicate that the predation rate of <i<H. axyridis</i< was affected by aphid distribution, but was not affected by heterospecific interactions. The parasitism rate of <i<A. gifuensis</i< was affected by aphid distribution, and by heterospecific interactions in both the aggregate and uniform treatments. Thus, to optimize the management efficiency of <i<M. persicae</i<, the combined use of <i<H. axyridis</i< and <i<A. gifuensis</i< should be considered when <i<M. persicae</i< is nearly uniformly distributed under relatively high density.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">prey distribution</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">interspecific interactions</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">intraguild interactions</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">biological control</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Science</subfield></datafield><datafield tag="653" ind1=" " ind2="0"><subfield code="a">Q</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">Rui Tang</subfield><subfield code="e">verfasserin</subfield><subfield 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Effects of Prey Distribution and Heterospecific Interactions on the Functional Response of <i<Harmonia axyridis</i< and <i<Aphidius gifuensis</i< to <i<Myzus persicae</i<

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