Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

Ceratodalia gueneata (Packard, 1876)

Family: Geometridae
Subfamily: Larentiinae
Identification: forewing brownish-gray, paler along costa and outer margin; PM line triple but not visible in all specimens; AM line double; ST line with 3 or 4 large dark teeth near costa; fringe pale except for dark scaling at veins, giving checkered appearance; hindwing slightly paler than forewing, with white PM line; fringe checkered; outer margin protruding, slightly angular
Wing Span: 2.3-2.4 cm
Life History:
Flight: July and August
Caterpillar Hosts:
Adult Food:
Range: western North America: British Columbia and Alberta to Colorado and California
Management Needs:
Taxonomy Notes: None.