Canadian Forest Service Publications

Thelohania pristiphorae spp. n., a microsporidian parasite of the larch sawfly, Pristiphora erichsonii (Hymenoptera : Tenthredinidae) 1966. Smirnoff, W.A. Journal of Invertebrate Pathology 8(3): 360-364.

Year: 1966

Issued by: Laurentian Forestry Centre

Catalog ID: 16004

Language: English

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Abstract

The first record of a microsporidian infection in Hymenoptera of the suborder Symphyta is presented. The organism is named Thelohania pristiphorae and a brief description is given. The parasite invades the adipose tissue and is probably transmitted transstadially. Cross-infection tests with larvae of Lepidoptera, Diptera, and other Tenthredinidae, were positive only with Pristophora geniculate and Hemichroa crocea, two tenthredinids. A 20% reduction in a sawfly population is reported.

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