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    Author(s): Nancy Rappaport; Marion Page
    Date: 1985
    Source: Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, Berkeley, CA 94704
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (610.05 KB)

    Description

    Methods were devloped for rearing Glypta fumiferanae Viereck on a nondiapausing laboratory colony of the western spruce budworm, Choristoneura occidentalis Freeman. Both host and parasite are univoltine and undergo diapause in nature. In this study, the parasite's voltinism was synchronized with that of a nondiapausing host. G fumiferanae mated readily in the laboratory, and 5 consecutive generations were reared with an average generation time of less than 8 weeks-much less that the 23 weeks needed for 1 generation to develop in the field. Developmental times are reported, and some aspects of behavior described.

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    Citation

    Rappaport, Nancy; Page, Marion 1985. Rearing Glypta Fumiferanae [hym.:Ichneumonida] on a multivoltine laboratory colony of the Western Spruce Budworm (Choristoneura Occidentalis) [LEP.:Tortricidae]. Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Department of Agriculture, Berkeley, CA 94704

    Keywords

    Glypta fumiferanae, Choristoneura occidentalis, western spruce budworm, rearing, parasites, parasitoids

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