Comprehensive Description

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General Description

A medium size (approx. 3.0 cm wingspan) blue-grey, black and white moth, the body clothed in long soft wooly hair-like scales except for the central part of the dorsal thorax, which is clothed in shorter, curly dark scales. Males have stubby dark lead-grey semi-translucent wings that reflect iridescence under strong lighting. Forewings crossed by rather faint poorly defined doubled white antemedian and postmedian lines, a single thin wavy subterminal line and a thin white terminal line. The hindwings are dark grey. Females are larger and much paler, mostly white with pale gray markings. The male antennae are strongly bipectinate, females narrowly so. The Larch lappet moth is unlikely to be mistaken for any other Alberta moth.


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© University of Alberta Museums

Source: University of Alberta Museums

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