Appearance
The length of the forewings is 10–11 mm. The forewings are pale white and brown-grey peppered with darker scales. The hindwings are whitish, smudged with light grey. Adults are on wing from late June to early September.Behavior
Adults fly from March to October in the south; June to September in Ohio; July and August in Alberta and Quebec.
Food
The larvae feed on arboreal lichens, especially those growing on conifers. They have also been recorded feeding on algae.References:
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https://bugguide.net/node/view/42018http://mothphotographersgroup.msstate.edu/species.php?hodges=8098
Tim L McCabe. Clemensia albata, An Algal Feeding Arctiid. Journal of the Lepidopterists' Society 35(1), 1981, 34-40. http://images.peabody.yale.edu/lepsoc/jls/1980s/1981/1981-35(1)34-McCabe.pdf