Species Detail
Pacuvius Duskywing
Erynnis pacuvius (Lintner, 1878)

Attributes of Erynnis pacuviusFamily: Skippers (Hesperiidae) Subfamily: Spread-wing Skippers (Pyrginae) Identification: Upperside brown to black; forewing with uneven dark bands and small submarginal spots. Hindwing fringes are white with brown scales at their bases in subspecies pacuvius (Utah, Colorado, Arizona, New Mexico) and brown in other subspecies. Male has a costal fold containing yellow scent scales; female has a patch of scent scales on the 7th abdominal segment. Life history: To wait for females, males perch on hilltops all day, and sometimes patrol when there is a high density of males. Flight: Two broods in southern California, Arizona, and New Mexico; one brood in the north. Wing span: 1 1/4 - 1 3/8 inches (3.2 - 3.5 cm). Caterpillar hosts: Various wild lilacs including deer brier (Ceanothus fendleri), mountain whitethorn (Ceanothus cordulatus), hairy ceanothus (Ceanothus oliganthus), and others. Adult food: Nectar from flowers including Ceanothus. Habitat: Open coniferous forest, chaparral, cutover land. Range: British Columbia south through the mountains of western North America to southern California, Arizona, New Mexico, Baja California Norte, and south to Veracruz, Mexico. Conservation: Not usually required. NatureServe Global Status: G4 - Apparently secure globally, though it might be quite rare in parts of its range, especially at the periphery. Management needs: None reported. | Documented Records for Erynnis pacuvius![]()
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