Sex allocation and field population sex ratio of Apanteles taragamae Viereck (Hymenoptera: Braconidae), a larval parasitoid of the cucumber moth Diaphania indica Saunders (Lepidoptera: Crambidae)

Sex ratio is one of the most important biological characteristics of arthropods. In a parasitoid population, sex ratio can influence the suppression of host populations or the stability of host–parasitoid interactions in the field. In this study, a survey was carried out to determine the sex allocat...

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Main Authors:	Nurkomar Ihsan, Azhar Azru, Buchori Damayanti
Format:	article
Language:	EN
Published:	De Gruyter 2021
Subjects:	apanteles taragamae biological control brood size host–parasitoid interaction population structure Agriculture S Agriculture (General) S1-972
Online Access:	https://doaj.org/article/466fd64d0fd746f787ab05ba48ee1c24
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spelling	oai:doaj.org-article:466fd64d0fd746f787ab05ba48ee1c242021-12-05T14:10:59ZSex allocation and field population sex ratio of Apanteles taragamae Viereck (Hymenoptera: Braconidae), a larval parasitoid of the cucumber moth Diaphania indica Saunders (Lepidoptera: Crambidae)2391-953110.1515/opag-2021-0045https://doaj.org/article/466fd64d0fd746f787ab05ba48ee1c242021-11-01T00:00:00Zhttps://doi.org/10.1515/opag-2021-0045https://doaj.org/toc/2391-9531Sex ratio is one of the most important biological characteristics of arthropods. In a parasitoid population, sex ratio can influence the suppression of host populations or the stability of host–parasitoid interactions in the field. In this study, a survey was carried out to determine the sex allocation through the sequence of male/female adult emergence and calculate the sex ratio of selected populations of Apanteles taragamae in their natural habitat. Assessment of sex ratio at the population and individual level (brood size per female) was examined. We found no difference in the likelihood that either sex would emerge before the other. Observations of sex ratio at the population and individual level reveal a females biased sex ratio. Analysis of the relationship between brood size and sex ratio of A. taragamae shows that brood size may influence the proportion of male to female offspring yielded. A male-biased sex ratio tends to be found in smaller brood size. However, sex ratio is shifted to female biased in larger brood size.Nurkomar IhsanAzhar AzruBuchori DamayantiDe Gruyterarticleapanteles taragamaebiological controlbrood sizehost–parasitoid interactionpopulation structureAgricultureSAgriculture (General)S1-972ENOpen Agriculture, Vol 6, Iss 1, Pp 673-681 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	apanteles taragamae biological control brood size host–parasitoid interaction population structure Agriculture S Agriculture (General) S1-972
spellingShingle	apanteles taragamae biological control brood size host–parasitoid interaction population structure Agriculture S Agriculture (General) S1-972 Nurkomar Ihsan Azhar Azru Buchori Damayanti Sex allocation and field population sex ratio of Apanteles taragamae Viereck (Hymenoptera: Braconidae), a larval parasitoid of the cucumber moth Diaphania indica Saunders (Lepidoptera: Crambidae)
description	Sex ratio is one of the most important biological characteristics of arthropods. In a parasitoid population, sex ratio can influence the suppression of host populations or the stability of host–parasitoid interactions in the field. In this study, a survey was carried out to determine the sex allocation through the sequence of male/female adult emergence and calculate the sex ratio of selected populations of Apanteles taragamae in their natural habitat. Assessment of sex ratio at the population and individual level (brood size per female) was examined. We found no difference in the likelihood that either sex would emerge before the other. Observations of sex ratio at the population and individual level reveal a females biased sex ratio. Analysis of the relationship between brood size and sex ratio of A. taragamae shows that brood size may influence the proportion of male to female offspring yielded. A male-biased sex ratio tends to be found in smaller brood size. However, sex ratio is shifted to female biased in larger brood size.
format	article
author	Nurkomar Ihsan Azhar Azru Buchori Damayanti
author_facet	Nurkomar Ihsan Azhar Azru Buchori Damayanti
author_sort	Nurkomar Ihsan
title	Sex allocation and field population sex ratio of Apanteles taragamae Viereck (Hymenoptera: Braconidae), a larval parasitoid of the cucumber moth Diaphania indica Saunders (Lepidoptera: Crambidae)
title_short	Sex allocation and field population sex ratio of Apanteles taragamae Viereck (Hymenoptera: Braconidae), a larval parasitoid of the cucumber moth Diaphania indica Saunders (Lepidoptera: Crambidae)
title_full	Sex allocation and field population sex ratio of Apanteles taragamae Viereck (Hymenoptera: Braconidae), a larval parasitoid of the cucumber moth Diaphania indica Saunders (Lepidoptera: Crambidae)
title_fullStr	Sex allocation and field population sex ratio of Apanteles taragamae Viereck (Hymenoptera: Braconidae), a larval parasitoid of the cucumber moth Diaphania indica Saunders (Lepidoptera: Crambidae)
title_full_unstemmed	Sex allocation and field population sex ratio of Apanteles taragamae Viereck (Hymenoptera: Braconidae), a larval parasitoid of the cucumber moth Diaphania indica Saunders (Lepidoptera: Crambidae)
title_sort	sex allocation and field population sex ratio of apanteles taragamae viereck (hymenoptera: braconidae), a larval parasitoid of the cucumber moth diaphania indica saunders (lepidoptera: crambidae)
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/466fd64d0fd746f787ab05ba48ee1c24
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Sex allocation and field population sex ratio of Apanteles taragamae Viereck (Hymenoptera: Braconidae), a larval parasitoid of the cucumber moth Diaphania indica Saunders (Lepidoptera: Crambidae)

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