#8771 piatrix

Penitent Underwing

Catocala piatrix Grote, 1864

Family: Erebidae

Status: Resident

Range: Eastern and southern United States.

Larval Hostplant(s): Ash (Fraxinus), Hickory (Carya) and Walnut (Juglans)

NENHP Ranking: Not listed.

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

Habitat: Deciduous woodlands.

Avg. Wingspan: Medium to large. 2 2/3 – 3 1/3 Inches

Found at: Indian Cave State Park, Fontenelle Forest.

Overwintering: As an egg on woody bark or stems of the hostplant.

Identification: FW with an oblique whitish bar extending from st. line through subreniform spot. Rounded “tooth” on basal side of am. line. HW yellow-orange.

Similar Species: Betrothed Underwing (C. innubens) has deep orange HW and Bride Underwing (C. neogama) which has the orange band on HW much narrower.

Notes: Identifying wing features illustrated.

Literature Cited:

🔗Links: Moth Photographers Group, BugGuide.net

Penitent Underwing, Sarpy Co., NE, August 22, 2013, Barbara & Loren Padelford
Penitent Underwing Larva
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