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A taxonomic revision, biology and morphology of immature stages of the Entedon sparetus species group (Hymenoptera: Eulophidae), egg-larval endoparasitoids of weevils (Coleoptera: Curculionidae)

Published online by Cambridge University Press:  05 April 2007

A.V. Gumovsky
A.V. Gumovsky*
Affiliation:
Schmalhausen Institute of Zoology, Ukrainian Academy of Sciences, 15 B. Khmelnitsky St., 01601Kiev, Ukraine
*
*Fax: 380(44) 2341569 E-mail: gumovsky@izan.kiev.ua
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Abstract

The sparetus-group of Entedon is revised. Six species are recognized for the group, including one new species, E. lucasi Gumovsky sp. n., which is described from Algeria. All species are either diagnosed or described, and illustrated, and new distribution records are provided. An illustrated dichotomous key to all species of the group is given. Biology of two species, E. thomsonianus Erdös and E. sparetus Walker, is studied in detail: both species proved to be egg-larval parasitoids of stem-boring weevils, Lixus cardui Olivier on the scotch thistle Onopordum acanthium and Gymnetron asellus (Gravenhorst) on mullein Verbascum sp., respectively. The morphology of larval stages and peculiarities of parasitoid–host relationships are described. Possible benefits of egg-larval parasitism for Entedon species are discussed.

Keywords

Palearctic regionnew speciesendoparasitoidslarval morphologyLixusOnopordumGymnetronVerbascum

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Type
Research Article
Information
Bulletin of Entomological Research , Volume 97 , Issue 2 , April 2007 , pp. 139 - 166
Copyright
Copyright © Cambridge University Press 2007

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