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Utilize este identificador para citar ou criar um link para este item: http://acervodigital.unesp.br/handle/11449/742
Título: 
The preimaginal stages of the ensign wasp Evania appendigaster (Hymenoptera, Evaniidae), a cockroach egg predator
Autor(es): 
Instituição: 
  • Universidade Federal do Rio de Janeiro (UFRJ)
  • Universidade Estadual Paulista (UNESP)
  • Universidade de São Paulo (USP)
ISSN: 
1077-8306
Resumo: 
Evania appendigaster is a cosmopolitan wasp that deposits eggs in the oothecae of some species of cockroaches; its larvae then consume the cockroach eggs and embryos. It is a candidate for the biological control of cockroaches, but little is known about its basic biology. Here we describe the external morphology of all immature stages of E. appendigaster and compare them with the larvae of related species. The life cycle of E. appendigaster includes three larval instars, each with 13 body segments. Their mouthparts were generally reduced, except for the mandibles, which were always sclerotized and toothed, and were especially robust in second-instar larvae. Antennal and mouthpart sensilla were basiconic and difficult to observe. Larvae of E. appendigaster are similar in form to other described evaniid larvae, but quite different from the two available descriptions of larvae of gasteruptiid and aulacid wasps. Further descriptions of evaniid larvae will be useful in determining how widespread this morphology is within the family, and in understanding phylogenetic relationships within Hymenoptera.
Data de publicação: 
1-Jun-2012
Citação: 
Invertebrate Biology. Hoboken: Wiley-blackwell, v. 131, n. 2, p. 133-143, 2012.
Duração: 
133-143
Publicador: 
Wiley-Blackwell
Palavras-chaves: 
  • larval morphology
  • instar
  • Periplaneta americana
Fonte: 
http://dx.doi.org/10.1111/j.1744-7410.2012.00261.x
Endereço permanente: 
Direitos de acesso: 
Acesso restrito
Tipo: 
outro
Fonte completa:
http://repositorio.unesp.br/handle/11449/742
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