Published online by Cambridge University Press: 31 May 2012
The specimens on which the present paper has been based were collected by Mr. Trevor Kincaid, of Olympia, Washington. They were all collected near that city except a few, which were taken along the Skokomish River. Great credit is due Mr. Kincaid for bringing together so large a collection. The specimens are deposited in the entomological collection of Cornell Univerisity.
† The following is omitted from Cresson's synopsis. It will probably prove to be a variety of tiangulum and not the European species.
vitellina, Linn.
1882. Trichisoma, Kirby, List Hymen., Brit. Mus., I., 10.
Habitat,—Vancouver's Island, Rocky Mountains, (Europe).