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Genus Drepanulatrix

Drepanulatrix falcataria - male Drepanulatrix falcataria - female Drepanulatrix secundaria - female Moth #08-194 - Drepanulatrix - female moth - Drepanulatrix Genus Drepanulatrix? - Drepanulatrix - male Geometridae: Drepanulatrix unicalcaria - Drepanulatrix unicalcararia Geometrid Moth - Drepanulatrix foeminaria - male
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Caberini
Genus Drepanulatrix
Synonyms and other taxonomic changes
Drepanulatrix Gumppenberg, 1887 (1)
Aethyctera Hulst, 1896
Explanation of Names
Generic name Drepanulatrix is from Greek meaning "sickle." (2)
Numbers
12 species in North America.
6 species in Canada (CBIF).
Identification
Adults - forewing color varies among species from pale yellowish to yellowish-pink, to dark brown or gray - with or without lines, spots, or shading; light brown is a common color but individuals of a given species show much variation in the boldness or faintness or markings; apex slightly falcate in some species hindwing paler, usually unmarked or with faint speckling/spots but no lines; margins of all wings rounded.

Eggs - white, yellow, or light green when first laid, usually becoming mottled with orange red or red before hatching. Elliptical, with one end truncate, the other rounded, dorsoventrally flattened, sometimes slightly wedge shaped, being thicker at truncate end; surface with numerous longitudinal ridges. (1)
Food
Larvae of all species feed only on leaves of New Jersey Tea (aka California lilac) (Ceanothus spp.).
See Also
Species of Apodrepanulatrix are similar but have darker hindwings, and fly in late summer and fall.
Also see other genera in the tribe Caberini.
Internet References
pinned adult images of 6 species occurring in Canada (CBIF)
pinned adult image of D. foeminaria plus description, food plants, flight season, similar species (Jeff Miller, Macromoths of Northwest Forests and Woodlands; USGS)
Works Cited
1.A revision of the geometrid moths formerly assigned to Drepanulatrix (Lepidoptera)
Frederick H. Rindge. 1949. Bulletin of the American Museum of Natural History 94(5).
2.Dictionary of Word Roots and Combining Forms
Donald J. Borror. 1960. Mayfield Publishing Company.