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Species Cucullia strigata - Streaked Hooded Owlet - Hodges#10183

Noctuid moth, genus Cucullia - Cucullia strigata - male Cucullia strigata Cucullia strigata - female Streaked Hooded Owlet Moth - Cucullia strigata Streaked Hooded Owlet Moth - Cucullia strigata Noctuidae: Cucullia strigata  - Cucullia strigata Noctuidae: Cucullia strigata  - Cucullia strigata Noctuidae: Cucullia strigata  - Cucullia strigata
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 Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Cuculliinae
Genus Cucullia (Hooded Owlets)
Species strigata (Streaked Hooded Owlet - Hodges#10183)
Hodges Number
10183
Synonyms and other taxonomic changes
Rancora brucei, Rancora ketchikana, Rancora strigata, Cucullia brucei, Cucullia ketchikana
Rancora was treated as a junior synonym of Cucullia by Poole in 1995 (see Butterflies and Moths of the World)
Explanation of Names
STRIGATA: from the Latin "striga" (a furrow or groove); in zoology, strigate means having fine close-set grooves or steaks
probably refers to the fine streaks on the forewing, and is the origin of the common name Streaked Hooded Owlet suggested above
Identification
Adult: forewing medium gray with fine black streaks along veins in subterminal area, and two distinct sets of streaks along inner margin; reniform and orbicular spots light gray, faint but noticeable against ground color; fringe with whitish triangular spots resembling pale pointed tips of feathers, interspersed by areas of darker scales; hindwing uniformly brownish-gray except for dark gray veins and mostly whitish fringe
Range
Alaskan panhandle and British Columbia to Oregon, west to Colorado, north to Alberta
This species is not on the California Moth Species List at U. of California.
Season
adults fly in spring and summer
Remarks
The presence of the similar Cucullia serraticornis in Oregon is questionable: on this Oregon State U. page dated October 2001, the synonym Rancora serraticornis is listed as having voucher specimens from Oregon, but in their virtually identical Excel file updated October 2003 and containing the same 22 specimens, Rancora serraticornis is listed as having no specimens from Oregon. Cucullia serraticornis doesn't occur in British Columbia, and is probably absent from Washington and Oregon also (Lafontaine and Troubridge give a range of California and Arizona only on this page)
See Also
Cucullia albida forewing lacks two distinct sets of streaks along inner margin, reniform and orbicular spots are virtually invisible, showing no contrast against ground color, and hindwing is more bicolored - dark gray speckling distally, shading to whitish basally (compare images of both species at CBIF)
Cucullia serraticornis (=Rancora serraticornis =solidaginis) forewing has blackish shading along inner margin, diffuse dark gray smudging throughout the wing, and probably doesn't occur north of California (see image from Arizona here, and California here)
other Cucullia species lack triangular whitish spots in the forewing fringe and/or have a different pattern of shading and streaking (see pinned adult images of several species at CBIF)
Internet References
pinned adult image and technical description (California Dept. of Food and Agriculture)
distribution in Canada list of provinces (CBIF)
presence in Oregon; Excel doc list 27 specimens in collection, including local voucher specimens (Oregon State U.)
presence in Colorado; citation as the synonym Rancora brucei by Ray Stanford in July 1997 [search on "Rancora"] (Lepidopterists Society Season Summary, U. of Florida)
presence in Utah; list (Joel Johnson, Utah Lepidopterists Society)
synonyms (All-Leps)