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Species Crambus trichusalis - Hodges#5352

Crambus trichusalis - Hodges #5352 - Crambus trichusalis
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Pyraloidea (Pyralid and Crambid Snout Moths)
Family Crambidae (Crambid Snout Moths)
Subfamily Crambinae (Crambine Snout Moths)
Tribe Crambini (Grass-Veneers)
Genus Crambus
Species trichusalis (Crambus trichusalis - Hodges#5352)
Hodges Number
Synonyms and other taxonomic changes
Crambus trichusalis Hulst, 1886 (1)
Crambus dumetellus Fernald, 1896
There are more than 40 species of the genus Crambus in America north of Mexico. (1), (2)
Wingspan 24-30 mm. (Hulst)
The original description of Crambus trichusalis Hulst, and the revised description by Kearfott (1902), are both available online in the print references below.
Forewing is yellowish gray with a thin white stripe along the inner margin and another just below the costa. The costal white stripe is uniform in width over the length, and has a small tooth on the inner third. The terminal line has 4-5 black dots.
Southern Alberta and Saskatchewan to the northern Rocky Mountains in the United States.
Moth Photographers Group - large map with some distribution data.
Adults are most common from July to September. (2)
Larval host is unknown but probably grasses.
See Also
Crambus whitmerellus - the narrow discal stripe becomes wider towards the end.
Several other Crambus species are similar.
Please compare on the pinned plates of Moth Photographers Group.
Print References
Hulst, G. 1886. Descriptions of new Pyralidae. Transactions of the American Entomological Society. 13: 186.
Kearfott, W.D. 1902. Descriptions of new species of North American Crambid moths. Proceedings of the United States National Museum. 35: 379.