Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing

<p<Trichogrammatoidea bactrae (Nagaraja) has been identified as a potential egg parasitoid for managing rice leaf folder (<em<Cnaphalocrocis medinalis</em<) in rice (<em<Oryza sativa</em< L.). Different sugars, i.e. saturated solutions of glucose, fructose, sucrose, und...
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Gespeichert in:

Autor*in:	M.C.D. Perera [verfasserIn] K.S. Hemachandra [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2015

Schlagwörter:	fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae

Übergeordnetes Werk:	In: Tropical Agricultural Research - Postgraduate Institute of Agriculture, University of Peradeniya, 2019, 25(2015), 4
Übergeordnetes Werk:	volume:25 ; year:2015 ; number:4

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.4038/tar.v25i4.8065

Katalog-ID:	DOAJ07810002X

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allfields	10.4038/tar.v25i4.8065 doi (DE-627)DOAJ07810002X (DE-599)DOAJb3bf9d862f3d4a64bd056e8e6870f75e DE-627 ger DE-627 rakwb eng M.C.D. Perera verfasserin aut Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Trichogrammatoidea bactrae (Nagaraja) has been identified as a potential egg parasitoid for managing rice leaf folder (<em<Cnaphalocrocis medinalis</em<) in rice (<em<Oryza sativa</em< L.). Different sugars, i.e. saturated solutions of glucose, fructose, sucrose, undiluted bee honey and distilled water were evaluated as diets for the adult parasitoids in terms of adult longevity. There was a significant variation of longevity among the adults fed with different feed sources. Parasitoids fed with undiluted honey lived the longest (7.2 ± 0.3 days). Subsequently, bee honey at different concentrations, i.e. 100, 50, 33, 25, 20 and 17% was evaluated in terms of adult longevity. The highest longevity of 7.9 ± 0.2 days was found when parasitoid adults were fed with 50% bee honey while the lowest longevity was 1.5 ± 0.2 days on distilled water. Several standard sugar feeding methods were also evaluated in terms of longevity. Honey feeding by filter paper method was the most suited compared to other methods i.e. honey drop, sponge and wick methods. With respect to fecundity, the rate of oviposition with adult age was examined. There was a significant variation of daily oviposition with age. One-day-old parasitoids laid 31.2 ± 3.27 eggs per female with 56.05% of total fecundity, and the laying was reduced to 0.4 eggs per female in five days old parasitoids. The mean fecundity was 55.7 ± 0.26 eggs per female. Effect of rearing of parasitoids on alternate hosts (<em<Corcyra cephalonica</em<) on oviposition was significant. There was a general trend of loosing the ability of parasitism with continuous rearing of progeny on alternative host.</p<<p<Tropical Agricultural Research Vol. 25 (4): 602 – 609 (2014)</p< fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae Agriculture S K.S. Hemachandra verfasserin aut In Tropical Agricultural Research Postgraduate Institute of Agriculture, University of Peradeniya, 2019 25(2015), 4 (DE-627)684963523 (DE-600)2648923-5 27060233 nnns volume:25 year:2015 number:4 https://doi.org/10.4038/tar.v25i4.8065 kostenfrei https://doaj.org/article/b3bf9d862f3d4a64bd056e8e6870f75e kostenfrei https://tar.sljol.info/articles/8065 kostenfrei https://doaj.org/toc/1016-1422 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 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_4367 GBV_ILN_4700 AR 25 2015 4
spelling	10.4038/tar.v25i4.8065 doi (DE-627)DOAJ07810002X (DE-599)DOAJb3bf9d862f3d4a64bd056e8e6870f75e DE-627 ger DE-627 rakwb eng M.C.D. Perera verfasserin aut Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Trichogrammatoidea bactrae (Nagaraja) has been identified as a potential egg parasitoid for managing rice leaf folder (<em<Cnaphalocrocis medinalis</em<) in rice (<em<Oryza sativa</em< L.). Different sugars, i.e. saturated solutions of glucose, fructose, sucrose, undiluted bee honey and distilled water were evaluated as diets for the adult parasitoids in terms of adult longevity. There was a significant variation of longevity among the adults fed with different feed sources. Parasitoids fed with undiluted honey lived the longest (7.2 ± 0.3 days). Subsequently, bee honey at different concentrations, i.e. 100, 50, 33, 25, 20 and 17% was evaluated in terms of adult longevity. The highest longevity of 7.9 ± 0.2 days was found when parasitoid adults were fed with 50% bee honey while the lowest longevity was 1.5 ± 0.2 days on distilled water. Several standard sugar feeding methods were also evaluated in terms of longevity. Honey feeding by filter paper method was the most suited compared to other methods i.e. honey drop, sponge and wick methods. With respect to fecundity, the rate of oviposition with adult age was examined. There was a significant variation of daily oviposition with age. One-day-old parasitoids laid 31.2 ± 3.27 eggs per female with 56.05% of total fecundity, and the laying was reduced to 0.4 eggs per female in five days old parasitoids. The mean fecundity was 55.7 ± 0.26 eggs per female. Effect of rearing of parasitoids on alternate hosts (<em<Corcyra cephalonica</em<) on oviposition was significant. There was a general trend of loosing the ability of parasitism with continuous rearing of progeny on alternative host.</p<<p<Tropical Agricultural Research Vol. 25 (4): 602 – 609 (2014)</p< fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae Agriculture S K.S. Hemachandra verfasserin aut In Tropical Agricultural Research Postgraduate Institute of Agriculture, University of Peradeniya, 2019 25(2015), 4 (DE-627)684963523 (DE-600)2648923-5 27060233 nnns volume:25 year:2015 number:4 https://doi.org/10.4038/tar.v25i4.8065 kostenfrei https://doaj.org/article/b3bf9d862f3d4a64bd056e8e6870f75e kostenfrei https://tar.sljol.info/articles/8065 kostenfrei https://doaj.org/toc/1016-1422 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 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_4367 GBV_ILN_4700 AR 25 2015 4
allfields_unstemmed	10.4038/tar.v25i4.8065 doi (DE-627)DOAJ07810002X (DE-599)DOAJb3bf9d862f3d4a64bd056e8e6870f75e DE-627 ger DE-627 rakwb eng M.C.D. Perera verfasserin aut Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Trichogrammatoidea bactrae (Nagaraja) has been identified as a potential egg parasitoid for managing rice leaf folder (<em<Cnaphalocrocis medinalis</em<) in rice (<em<Oryza sativa</em< L.). Different sugars, i.e. saturated solutions of glucose, fructose, sucrose, undiluted bee honey and distilled water were evaluated as diets for the adult parasitoids in terms of adult longevity. There was a significant variation of longevity among the adults fed with different feed sources. Parasitoids fed with undiluted honey lived the longest (7.2 ± 0.3 days). Subsequently, bee honey at different concentrations, i.e. 100, 50, 33, 25, 20 and 17% was evaluated in terms of adult longevity. The highest longevity of 7.9 ± 0.2 days was found when parasitoid adults were fed with 50% bee honey while the lowest longevity was 1.5 ± 0.2 days on distilled water. Several standard sugar feeding methods were also evaluated in terms of longevity. Honey feeding by filter paper method was the most suited compared to other methods i.e. honey drop, sponge and wick methods. With respect to fecundity, the rate of oviposition with adult age was examined. There was a significant variation of daily oviposition with age. One-day-old parasitoids laid 31.2 ± 3.27 eggs per female with 56.05% of total fecundity, and the laying was reduced to 0.4 eggs per female in five days old parasitoids. The mean fecundity was 55.7 ± 0.26 eggs per female. Effect of rearing of parasitoids on alternate hosts (<em<Corcyra cephalonica</em<) on oviposition was significant. There was a general trend of loosing the ability of parasitism with continuous rearing of progeny on alternative host.</p<<p<Tropical Agricultural Research Vol. 25 (4): 602 – 609 (2014)</p< fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae Agriculture S K.S. Hemachandra verfasserin aut In Tropical Agricultural Research Postgraduate Institute of Agriculture, University of Peradeniya, 2019 25(2015), 4 (DE-627)684963523 (DE-600)2648923-5 27060233 nnns volume:25 year:2015 number:4 https://doi.org/10.4038/tar.v25i4.8065 kostenfrei https://doaj.org/article/b3bf9d862f3d4a64bd056e8e6870f75e kostenfrei https://tar.sljol.info/articles/8065 kostenfrei https://doaj.org/toc/1016-1422 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 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_4367 GBV_ILN_4700 AR 25 2015 4
allfieldsGer	10.4038/tar.v25i4.8065 doi (DE-627)DOAJ07810002X (DE-599)DOAJb3bf9d862f3d4a64bd056e8e6870f75e DE-627 ger DE-627 rakwb eng M.C.D. Perera verfasserin aut Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Trichogrammatoidea bactrae (Nagaraja) has been identified as a potential egg parasitoid for managing rice leaf folder (<em<Cnaphalocrocis medinalis</em<) in rice (<em<Oryza sativa</em< L.). Different sugars, i.e. saturated solutions of glucose, fructose, sucrose, undiluted bee honey and distilled water were evaluated as diets for the adult parasitoids in terms of adult longevity. There was a significant variation of longevity among the adults fed with different feed sources. Parasitoids fed with undiluted honey lived the longest (7.2 ± 0.3 days). Subsequently, bee honey at different concentrations, i.e. 100, 50, 33, 25, 20 and 17% was evaluated in terms of adult longevity. The highest longevity of 7.9 ± 0.2 days was found when parasitoid adults were fed with 50% bee honey while the lowest longevity was 1.5 ± 0.2 days on distilled water. Several standard sugar feeding methods were also evaluated in terms of longevity. Honey feeding by filter paper method was the most suited compared to other methods i.e. honey drop, sponge and wick methods. With respect to fecundity, the rate of oviposition with adult age was examined. There was a significant variation of daily oviposition with age. One-day-old parasitoids laid 31.2 ± 3.27 eggs per female with 56.05% of total fecundity, and the laying was reduced to 0.4 eggs per female in five days old parasitoids. The mean fecundity was 55.7 ± 0.26 eggs per female. Effect of rearing of parasitoids on alternate hosts (<em<Corcyra cephalonica</em<) on oviposition was significant. There was a general trend of loosing the ability of parasitism with continuous rearing of progeny on alternative host.</p<<p<Tropical Agricultural Research Vol. 25 (4): 602 – 609 (2014)</p< fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae Agriculture S K.S. Hemachandra verfasserin aut In Tropical Agricultural Research Postgraduate Institute of Agriculture, University of Peradeniya, 2019 25(2015), 4 (DE-627)684963523 (DE-600)2648923-5 27060233 nnns volume:25 year:2015 number:4 https://doi.org/10.4038/tar.v25i4.8065 kostenfrei https://doaj.org/article/b3bf9d862f3d4a64bd056e8e6870f75e kostenfrei https://tar.sljol.info/articles/8065 kostenfrei https://doaj.org/toc/1016-1422 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 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_4367 GBV_ILN_4700 AR 25 2015 4
allfieldsSound	10.4038/tar.v25i4.8065 doi (DE-627)DOAJ07810002X (DE-599)DOAJb3bf9d862f3d4a64bd056e8e6870f75e DE-627 ger DE-627 rakwb eng M.C.D. Perera verfasserin aut Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing 2015 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier <p<Trichogrammatoidea bactrae (Nagaraja) has been identified as a potential egg parasitoid for managing rice leaf folder (<em<Cnaphalocrocis medinalis</em<) in rice (<em<Oryza sativa</em< L.). Different sugars, i.e. saturated solutions of glucose, fructose, sucrose, undiluted bee honey and distilled water were evaluated as diets for the adult parasitoids in terms of adult longevity. There was a significant variation of longevity among the adults fed with different feed sources. Parasitoids fed with undiluted honey lived the longest (7.2 ± 0.3 days). Subsequently, bee honey at different concentrations, i.e. 100, 50, 33, 25, 20 and 17% was evaluated in terms of adult longevity. The highest longevity of 7.9 ± 0.2 days was found when parasitoid adults were fed with 50% bee honey while the lowest longevity was 1.5 ± 0.2 days on distilled water. Several standard sugar feeding methods were also evaluated in terms of longevity. Honey feeding by filter paper method was the most suited compared to other methods i.e. honey drop, sponge and wick methods. With respect to fecundity, the rate of oviposition with adult age was examined. There was a significant variation of daily oviposition with age. One-day-old parasitoids laid 31.2 ± 3.27 eggs per female with 56.05% of total fecundity, and the laying was reduced to 0.4 eggs per female in five days old parasitoids. The mean fecundity was 55.7 ± 0.26 eggs per female. Effect of rearing of parasitoids on alternate hosts (<em<Corcyra cephalonica</em<) on oviposition was significant. There was a general trend of loosing the ability of parasitism with continuous rearing of progeny on alternative host.</p<<p<Tropical Agricultural Research Vol. 25 (4): 602 – 609 (2014)</p< fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae Agriculture S K.S. Hemachandra verfasserin aut In Tropical Agricultural Research Postgraduate Institute of Agriculture, University of Peradeniya, 2019 25(2015), 4 (DE-627)684963523 (DE-600)2648923-5 27060233 nnns volume:25 year:2015 number:4 https://doi.org/10.4038/tar.v25i4.8065 kostenfrei https://doaj.org/article/b3bf9d862f3d4a64bd056e8e6870f75e kostenfrei https://tar.sljol.info/articles/8065 kostenfrei https://doaj.org/toc/1016-1422 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 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_4367 GBV_ILN_4700 AR 25 2015 4
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author	M.C.D. Perera
spellingShingle	M.C.D. Perera misc fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae misc Agriculture misc S Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing
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topic_title	Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae
topic	misc fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae misc Agriculture misc S
topic_unstemmed	misc fecundity, food sources, longevity, parasitism, trichogrammatoidea bactrae misc Agriculture misc S
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title	Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing
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title_full	Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing
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title_sort	study of longevity, fecundity and oviposition of trichogrammatoidea bactrae nagaraja (hymenoptera: trichogrammatidae) to facilitate mass rearing
title_auth	Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing
abstract	<p<Trichogrammatoidea bactrae (Nagaraja) has been identified as a potential egg parasitoid for managing rice leaf folder (<em<Cnaphalocrocis medinalis</em<) in rice (<em<Oryza sativa</em< L.). Different sugars, i.e. saturated solutions of glucose, fructose, sucrose, undiluted bee honey and distilled water were evaluated as diets for the adult parasitoids in terms of adult longevity. There was a significant variation of longevity among the adults fed with different feed sources. Parasitoids fed with undiluted honey lived the longest (7.2 ± 0.3 days). Subsequently, bee honey at different concentrations, i.e. 100, 50, 33, 25, 20 and 17% was evaluated in terms of adult longevity. The highest longevity of 7.9 ± 0.2 days was found when parasitoid adults were fed with 50% bee honey while the lowest longevity was 1.5 ± 0.2 days on distilled water. Several standard sugar feeding methods were also evaluated in terms of longevity. Honey feeding by filter paper method was the most suited compared to other methods i.e. honey drop, sponge and wick methods. With respect to fecundity, the rate of oviposition with adult age was examined. There was a significant variation of daily oviposition with age. One-day-old parasitoids laid 31.2 ± 3.27 eggs per female with 56.05% of total fecundity, and the laying was reduced to 0.4 eggs per female in five days old parasitoids. The mean fecundity was 55.7 ± 0.26 eggs per female. Effect of rearing of parasitoids on alternate hosts (<em<Corcyra cephalonica</em<) on oviposition was significant. There was a general trend of loosing the ability of parasitism with continuous rearing of progeny on alternative host.</p<<p<Tropical Agricultural Research Vol. 25 (4): 602 – 609 (2014)</p<
abstractGer	<p<Trichogrammatoidea bactrae (Nagaraja) has been identified as a potential egg parasitoid for managing rice leaf folder (<em<Cnaphalocrocis medinalis</em<) in rice (<em<Oryza sativa</em< L.). Different sugars, i.e. saturated solutions of glucose, fructose, sucrose, undiluted bee honey and distilled water were evaluated as diets for the adult parasitoids in terms of adult longevity. There was a significant variation of longevity among the adults fed with different feed sources. Parasitoids fed with undiluted honey lived the longest (7.2 ± 0.3 days). Subsequently, bee honey at different concentrations, i.e. 100, 50, 33, 25, 20 and 17% was evaluated in terms of adult longevity. The highest longevity of 7.9 ± 0.2 days was found when parasitoid adults were fed with 50% bee honey while the lowest longevity was 1.5 ± 0.2 days on distilled water. Several standard sugar feeding methods were also evaluated in terms of longevity. Honey feeding by filter paper method was the most suited compared to other methods i.e. honey drop, sponge and wick methods. With respect to fecundity, the rate of oviposition with adult age was examined. There was a significant variation of daily oviposition with age. One-day-old parasitoids laid 31.2 ± 3.27 eggs per female with 56.05% of total fecundity, and the laying was reduced to 0.4 eggs per female in five days old parasitoids. The mean fecundity was 55.7 ± 0.26 eggs per female. Effect of rearing of parasitoids on alternate hosts (<em<Corcyra cephalonica</em<) on oviposition was significant. There was a general trend of loosing the ability of parasitism with continuous rearing of progeny on alternative host.</p<<p<Tropical Agricultural Research Vol. 25 (4): 602 – 609 (2014)</p<
abstract_unstemmed	<p<Trichogrammatoidea bactrae (Nagaraja) has been identified as a potential egg parasitoid for managing rice leaf folder (<em<Cnaphalocrocis medinalis</em<) in rice (<em<Oryza sativa</em< L.). Different sugars, i.e. saturated solutions of glucose, fructose, sucrose, undiluted bee honey and distilled water were evaluated as diets for the adult parasitoids in terms of adult longevity. There was a significant variation of longevity among the adults fed with different feed sources. Parasitoids fed with undiluted honey lived the longest (7.2 ± 0.3 days). Subsequently, bee honey at different concentrations, i.e. 100, 50, 33, 25, 20 and 17% was evaluated in terms of adult longevity. The highest longevity of 7.9 ± 0.2 days was found when parasitoid adults were fed with 50% bee honey while the lowest longevity was 1.5 ± 0.2 days on distilled water. Several standard sugar feeding methods were also evaluated in terms of longevity. Honey feeding by filter paper method was the most suited compared to other methods i.e. honey drop, sponge and wick methods. With respect to fecundity, the rate of oviposition with adult age was examined. There was a significant variation of daily oviposition with age. One-day-old parasitoids laid 31.2 ± 3.27 eggs per female with 56.05% of total fecundity, and the laying was reduced to 0.4 eggs per female in five days old parasitoids. The mean fecundity was 55.7 ± 0.26 eggs per female. Effect of rearing of parasitoids on alternate hosts (<em<Corcyra cephalonica</em<) on oviposition was significant. There was a general trend of loosing the ability of parasitism with continuous rearing of progeny on alternative host.</p<<p<Tropical Agricultural Research Vol. 25 (4): 602 – 609 (2014)</p<
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title_short	Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing
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Study of longevity, fecundity and oviposition of Trichogrammatoidea bactrae nagaraja (Hymenoptera: Trichogrammatidae) to facilitate mass rearing

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