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    Author(s): James A. Richmond; Richard A. Werner; Arnold T. Drooz
    Date: 1995
    Source: J. Entomol. Soc. Brit. Columbia 92, December, 1995.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (101 KB)

    Description

    The larch sawfly and four parasitoids were reared in the laboratory from cocoons collected in Alaska for two consecutive years. Emergence of adult sawflies exceeded thirty percent each year. The number of parasitoids emerging was four times greater from the 1993 collection than from the subsequent year. Twelve Tritneptis klugii (Ratzeburg) emerged from one cocoon of the 1993 collection. The emergence of Delomerista laevis (Gravehorst) from the same collection established a new host record. Mesoleius tenthredinis Morley was the most common parasitoid that emerged from cocoons collected in 1993, and the only one that emerged fromcocoons collected in 1994.

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    Citation

    Richmond, James A.; Werner, Richard A.; Drooz, Arnold T. 1995. Larch sawfly, Pristiphora ericltsortii (Hymenoptera: Tenthredinidae) and its parasitoids from Alaska. J. Entomol. Soc. Brit. Columbia 92, December, 1995.

    Keywords

    Rearing, sawfly, Tachinidae, Ichneumonidae, Pteromalidae

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