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Species Ctenucha cressonana - Hodges#8261

Ctenucha - Ctenucha cressonana Ctenucha venosa - Ctenucha cressonana One of the veined Ctenucha - Ctenucha cressonana Moth  - Ctenucha cressonana Ctenucha cressonana Ctenucha cressonana Tiger Moth - Ctenucha cressonana - Ctenucha cressonana Ctenucha cressonana
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 Arctiinae (Tiger and Lichen Moths)
Tribe Arctiini (Tiger Moths)
Subtribe Ctenuchina
Genus Ctenucha
Species cressonana (Ctenucha cressonana - Hodges#8261)
Hodges Number
This species is found in Colorado, C. venosa is not. Both species are found southward. See p.274 in Moths of Western North America.
… Bob Patterson, 27 July, 2009

Not easy to determine venosa from cressonana from a photo. Location and flight time helps.
C. cressonana has one flight from May - July and is in the higher mountain elevations.
… Maury J. Heiman, 5 September, 2010
Author of the species - Grote 1863
Internet References