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Species Euura alaskensis - Yellow-headed Spruce Sawfly

Yellowheaded Spruce Sawfly Diprionidae: Pikonema alaskensis - Euura alaskensis Medium Orange sawfly, 6:55pm - Euura alaskensis Yellow-headed spruce sawfly - Euura alaskensis YHSS - Euura alaskensis Pikonema alaskensis - Euura alaskensis Pikonema alaskensis - Euura alaskensis Pikonema alaskensis - Euura alaskensis Pikonema alaskensis - Euura alaskensis
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Tenthredinidae (Common Sawflies)
Subfamily Nematinae
Tribe Nematini (Willow Sawflies and allies)
Genus Euura
No Taxon (Former Pikonema)
Species alaskensis (Yellow-headed Spruce Sawfly)
Synonyms and other taxonomic changes
Pachynematus ocreatus Harrington 1889
Pikonema alaskansis (Rohwer 1911)
Pachynematus alaskensis Rohwer 1911
Pachynematus piceae Rohwer 1911
Explanation of Names
Euura alaskensis (Rohwer 1911)
Range
native to NA, common in AB(1)
Habitat
Boreal/urban forests, shelterbelts; larvae feed externally on foliage and are seen much more often that adults(1)
Season
Adults emerge late May to mid-Jun; larvae feed through Jun-Jul(1)
Food
larvae feed on new foliage of spruce (Picea)(1)
Remarks
serious pest of spruce trees; damages nursery crops and urban trees(1)
Internet References