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Morphology and Development of the Immature Stages of Brachyufens osborni (Hymenoptera: Trichogrammatidae), an Egg Parasitoid of Broad-Nosed Weevil Species (Coleoptera: Curculionidae)
dc.contributor.author | Jaques , Josep A. | |
dc.contributor.author | Peña, Jorge E. | |
dc.contributor.author | Duncan, Rita E. | |
dc.date.accessioned | 2014-04-15T15:20:25Z | |
dc.date.available | 2014-04-15T15:20:25Z | |
dc.date.issued | 2009 | |
dc.identifier.issn | 0013-8746 | |
dc.identifier.uri | http://hdl.handle.net/10234/90419 | |
dc.description.abstract | The external morphology and development of the immature stages of Brachyufens osborni (Dozier) (Hymenoptera: Trichogrammatidae), a Nearctic solitary endoparasitoid of the eggs of Pachnaeus spp. (Coleoptera: Curculionidae), are reported. Under our laboratory conditions (25 C and a photoperiod of 12:12 [L:D] h),B. osbornireared in eggs of Pachnaeus litus (Germar) (Entiminae) had a developmental time of 14.7 d. Egg hatching occurred within 15 h from oviposition and mandible measurements indicated the existence of two instars. First instars were mymariform, whereas second instars were sacciform. Pupation occurred 5Ð 6 d after egg hatching and adults emerged 8 d later. On completion of the preimaginal development, the meconium was expelled and emergence took place by biting a hole in the chorion of the host egg. Both sexes emerged at the same time, and the sex ratio was female biased (3:1). | ca_CA |
dc.format.extent | 6 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Entomological Society of America | ca_CA |
dc.relation.isPartOf | Annals of the Entomological Society of America, 102, 1 , p. 112-118 (7) | ca_CA |
dc.rights | Copyright 2009 Entomological Society of America | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | * |
dc.subject | Pachnaeus litus | ca_CA |
dc.subject | Diaprepes abbreviatus | ca_CA |
dc.subject | biological control | ca_CA |
dc.subject | egg parasitoid | ca_CA |
dc.title | Morphology and Development of the Immature Stages of Brachyufens osborni (Hymenoptera: Trichogrammatidae), an Egg Parasitoid of Broad-Nosed Weevil Species (Coleoptera: Curculionidae) | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | http://dx.doi.org/10.1603/008.102.0112 | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.relation.publisherVersion | http://www.ingentaconnect.com/content/esa/aesa/2009/00000102/00000001/art00012 | ca_CA |
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