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lnfluence of temperature on survival and emergence of diapausing <i>Peristenus stenodemae</i> (Hymenoptera, Braconidae)
Author(s) -
AnnaLiisa Varis,
T. Bilewicz-Pawińska
Publication year - 1992
Publication title -
entomologica fennica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.173
H-Index - 21
eISSN - 2489-4966
pISSN - 0785-8760
DOI - 10.33338/ef.83600
Subject(s) - braconidae , parasitoid , diapause , hymenoptera , pupa , biology , horticulture , toxicology , zoology , botany , larva
Cocoons of Peristenus stenodemae Loan, a nymphal parasitoid of Stenodema virens (L.), were exposed to varying degrees of cold during diapause and tested for survival and emergence time. Survival of pupae was highest at temperatures above zero. Mortality increased with decreasing temperature reaching 100% at bout -20°C. Three to four weeks were needed to reach 50% emergence after cold storage.

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