Comprehensive Description

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General Description

"10-13 mm. Labial palpi golden white; face and head pale ochreous; antennae white ringed with dark brown; scape whitish; thorax and tegula pale golden. Forewings with veins R4 and R5 separate; metallic markings present, apical markings coarse. Forewing shining white with golden reflections, sometimes suffused with pale golden; an outwardly oblique, somewhat curved coppery-golden fascia from base of costa; another similarly colored on the middle of the wing is strongly furcate at costa, and a third inwardly oblique fascia at apical third, parallel with the outer fork of the second fascia, emits a lobe into the apical part of the wing, sometimes connecting with the coppery-golden apex. Hindwings dark gray. Legs brownish white, darker near intersegmental joints. Abdomen grayish fuscous (Forbes 1923: 345; Emmet et al 1996: 80). North American specimens are slightly larger than the European ones and the head and thorax have somewhat lighter color than in the European series" (Busck, 1907: 13). This is the best known and easiest to distinguish Argyresthia species in Alberta. The golden markings on the forewing are much more prominent than those of A. pygmaeela and A. oreasella, the closest species. 


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© University of Alberta Museums

Source: University of Alberta Museums

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