Contrasting patterns of ovarian development and oogenesis in two sympatric host-feeding parasitoids, Diglyphus isaea and Neochrysocharis formosa (Hymenoptera: Eulophidae)

doi:10.1007/s13355-014-0251-5

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	Contrasting patterns of ovarian development and oogenesis in two sympatric host-feeding parasitoids, Diglyphus isaea and Neochrysocharis formosa (Hymenoptera: Eulophidae)
	Liu, Wan-Xue 1; Wang, Wei 1,2; Cheng, Li-Sheng 3; Guo, Jian-Yang 1; Wan, Fang-Hao 1
刊名	APPLIED ENTOMOLOGY AND ZOOLOGY
	2014
卷号	49 期号:2 页码:305-314
关键词	Synovigenic parasitoid Oosorption Anhydropic egg Body size Life history traits
ISSN号	0003-6862
DOI	10.1007/s13355-014-0251-5
通讯作者	Liu, Wan-Xue
英文摘要	Diglyphus isaea (Walker) and Neochrysocharis formosa (Westwood) (Hymenoptera: Eulophidae) are common idiobiont parasitoids of leafminers attacking vegetable crops. They exhibit differing levels of synovigeny, and host feeding enhances their fecundity and longevity. The reproductive systems of these two parasitoids are typical of hymenopteran eulophids, consisting of two ovaries, each usually comprising three polytrophic meroistic ovarioles. Diglyphus isaea possesses two obvious oviduct accessory glands, which are absent in N. formosa. Both parasitoids underwent oosorption when starved, while feeding on host larvae promoted oogenesis and egg maturation. In both, oogenesis and vitellogenesis commenced on the first day of the pupal stage rather than after eclosion. Formation of ovarioles in D. isaea commenced 1 day earlier than in N. formosa. Mature eggs were rarely observed in ovaries of newly emerged D. isaea, but usually a few were present in N. formosa. When hosts (second-third instar Liriomyza sativae larvae) were provided, the number of mature eggs in D. isaea ovaries initially increased and then stabilized, while in N. formosa, the number first increased and then decreased. Diglyphus isaea had fewer but larger eggs than N. formosa did. Thus, synovigenic divergence begins at the pupal stage and may result in different life-history traits of adults.
学科主题	Entomology ; ENTOMOLOGY
语种	英语
出版者	SPRINGER JAPAN KK
WOS记录号	WOS:000335506700012
内容类型	期刊论文
源URL	[http://111.203.20.206/handle/2HMLN22E/11959]
专题	植物保护研究所
作者单位	1.Chinese Acad Agr Sci, Inst Plant Protect, State Key Lab Biol Plant Dis & Insect Pests, Beijing 100193, Peoples R China 2.Hainan Univ, Coll Environm & Plant Protect, Haikou 570228, Hainan, Peoples R China 3.Qiongtai Teachers Coll, Haikou 571127, Hainan, Peoples R China
推荐引用方式 GB/T 7714	Liu, Wan-Xue,Wang, Wei,Cheng, Li-Sheng,et al. Contrasting patterns of ovarian development and oogenesis in two sympatric host-feeding parasitoids, Diglyphus isaea and Neochrysocharis formosa (Hymenoptera: Eulophidae)[J]. APPLIED ENTOMOLOGY AND ZOOLOGY,2014,49(2):305-314.
APA	Liu, Wan-Xue,Wang, Wei,Cheng, Li-Sheng,Guo, Jian-Yang,&Wan, Fang-Hao.(2014).Contrasting patterns of ovarian development and oogenesis in two sympatric host-feeding parasitoids, Diglyphus isaea and Neochrysocharis formosa (Hymenoptera: Eulophidae).APPLIED ENTOMOLOGY AND ZOOLOGY,49(2),305-314.
MLA	Liu, Wan-Xue,et al."Contrasting patterns of ovarian development and oogenesis in two sympatric host-feeding parasitoids, Diglyphus isaea and Neochrysocharis formosa (Hymenoptera: Eulophidae)".APPLIED ENTOMOLOGY AND ZOOLOGY 49.2(2014):305-314.