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Species Lascoria ambigualis - Ambiguous Moth - Hodges#8393

Ambiguous Moth - Lascoria ambigualis - male Ambiguous Moth - Lascoria ambigualis - female Ambiguous Moth - Lascoria ambigualis - male Moth - Lascoria ambigualis - female Triangular moth clouded lower wings - Lascoria ambigualis - female Lascoria ambigualis - female Moth to porch light  - Lascoria ambigualis - male Ambiguous Moth (Lascoria ambigualis) - Lascoria ambigualis
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Erebidae
Subfamily Herminiinae (Litter Moths)
Genus Lascoria
Species ambigualis (Ambiguous Moth - Hodges#8393)
Hodges Number
Synonyms and other taxonomic changes
Lascoria ambigualis Walker, 1866
Phylogenetic sequence # 930547 (1)
21-25 mm wingspan (2)
Adult: forewing color can be brownish, purplish, or various shades of gray; a straight blackish band crosses the wing near its base, sharply dividing the pale basal area from the darker distal area; male has notch in distal edge of wing, with a black spot at the head of the notch; female lacks both of these features.

        Male                            Female
eastern US plus Ontario and Quebec
adults fly from April to September
The larval hosts include, Chrysanthemum species, such as aster, blackberry and verbesina. Larvae have been reared on dead leaves.
Covell notes that they also feed on ragweed stalks and horseradish. (2)
Life Cycle
Life cycle images:
egg; first instar larva; older larva; prepupal larva; adult female; adult male
Print References
Covell, p. 327, plate 42 #7 & 10 (2)
Internet References
adult images of males and females (Larry Line, Maryland)
pinned adult image of male (CBIF)
Works Cited
1.Annotated check list of the Noctuoidea (Insecta, Lepidoptera) of North America north of Mexico.
Donald J. Lafontaine, B. Christian Schmidt. 2010. ZooKeys 40: 1–239 .
2.Peterson Field Guides: Eastern Moths
Charles V. Covell. 1984. Houghton Mifflin Company.
3.North American Moth Photographers Group
4.BOLD: The Barcode of Life Data Systems