Diapause development in the chestnut weevil Curculio elephas
Identifieur interne : 000262 ( France/Analysis ); précédent : 000261; suivant : 000263Diapause development in the chestnut weevil Curculio elephas
Auteurs : F. Menu [France]Source :
- Entomologia Experimentalis et Applicata [ 0013-8703 ] ; 1993-10.
English descriptors
Abstract
Larval diapause development in the chestnut weevil Curculio elephas (Coleoptera, Curculionidae) was studied in the laboratory at different temperatures. The results proved that exposure to low temperatures (3–6 °C) in the period December–February is not required to complete diapause. The diapause is terminated in December and from January on, the larvae can initiate post‐diapause morphogenesis in the laboratory, if temperatures allow it. In the field developmental rates are negligible during winter cold (4–6 °C) and only after March morphogenesis can proceed with no interruption until adult emergence. Diapause and post‐diapause quiescence contribute to individual synchronization for initiation of development. The observed spread of adult emergence was 30 days in the laboratory. This variability produced during post‐diapause development may be a response to annual variation in the phenology of the chestnuts.
Url:
DOI: 10.1111/j.1570-7458.1993.tb01732.x
Affiliations:
Links toward previous steps (curation, corpus...)
- to stream Istex, to step Corpus: 000E03
- to stream Istex, to step Curation: 000E03
- to stream Istex, to step Checkpoint: 001101
- to stream Main, to step Merge: 001564
- to stream Main, to step Curation: 001535
- to stream Main, to step Exploration: 001535
- to stream France, to step Extraction: 00262
Links to Exploration step
ISTEX:58311EB6E5B801BE0B551ABEFD74E779CDDE0A77Le document en format XML
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