#8780 robinsonii

Robinson’s Underwing

Catocala robinsonii Grote, 1872

Family: Erebidae

Status: Resident

Range: Eastern and southern United States.

Larval Hostplant(s): Hickory (Carya) and Walnut (Juglans)

NENHP Ranking: Not listed

Broods/Flight Times: A single extended mid-summer to autumn brood

Habitat: Deciduous woodlands.

Avg. Wingspan: Medium sized. 2 3/4 – 3 1/8 Inches

Found at: Fontenelle Forest, Indian Cave State Park.

Overwintering: As eggs on tree bark.

Identification: FW very pale-gray with no mark on the lower pm line. Form “missouriensis” has a thick black shaded line from FW base to apex of wing. HW fringe white, ventrally the bands are very prominent. 

Similar Species: In Angus” Underwing (C. angusi) the HW fringe is mostly blackish.

Notes: Identifying features illustrated.

🔗Links: Moth Photographers Group, BugGuide.net

Robinson’s Underwing, Sarpy Co., NE August 22, 2013, Barbara & Loren Padelford
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