Greya pectiniferaOlle Pellmyr
Adult depicted in Davis et al (1992). The small number of specimens available suggest a species almost as variable as G. variabilis. Wing expanse 13-16 mm. Body pale ochreous to near white. Forewings generally with a purplish brown base color, with 4+ pale yellow areas. Hindwings uniformly gray. Pollex on valva replaced by a pectinifer.
Different color forms are often very similar to G. variabilis, but are readily told apart by the genitalia. The male is unique among Greya in having the prominent pectinifer, and the female differs from both G. variabilis and G. kononenkoi in having two prominent signa.
Unknown, but individuals often kicked up from areas with Saxifraga spp. (Saxifragaceae).
So far only known from the Olympic peninsula and the Mt. Rainier region of the Cascades, Washington state, USA.
In moist coniferous forest at intermediate elevation, in coexistence with G. variabilis on the Olympic peninsula.
Davis, D.R., O. Pellmyr & J.N. Thompson. 1992. Biology and systematics of Greya Busck and Tetragma n. gen. (Lepidoptera: Prodoxidae). Smiths. Contrib. Zool. 524:1-88.
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Pellmyr, Olle. 1996. Greya pectinifera http://tolweb.org/Greya_pectinifera/12308/1996.01.01 in The Tree of Life Web Project, http://tolweb.org/. Version 01 January 1996 (under construction).