Catocala badia coelebs

Grote, 1874

The Old Maid Underwing

Catocala badia coelebs is a of underwing in the Erebidae, commonly known as The Old Maid Underwing. Like other members of the Catocala, it is characterized by cryptic forewings that conceal brightly colored hindwings, which are exposed when the moth is disturbed. The subspecies was described by Grote in 1874 and is known from northeastern North America.

CATALOGUE-BM-PLATE CXCIII by Sir GEORGE F. HAMPSON, Bart.. Used under a Public domain license.

Catocala badia coelebs MPM ENT18743 V by MPM [Kathryn Sullivan]. Used under a CC0 license.

Catocala badia coelebs MPM ENT18743 V (cropped) by MPM [Kathryn Sullivan]. Used under a CC0 license.

Pronunciation

How to pronounce Catocala badia coelebs: /kæˈtoʊkələ ˈbeɪdiə ˈsiːlɛbz/

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Identification

Distinguished from other Catocala by specific forewing pattern elements and hindwing coloration. The coelebs is separated from the nominate subspecies C. badia badia by geographic distribution and subtle differences in wing pattern. Accurate identification to subspecies level typically requires examination of genitalia or comparison with reference specimens. Similar species include other members of the Catocala badia complex and various gray-patterned underwings with orange or red hindwings.

Images

Appearance

have forewings colored in shades of gray and brown with intricate dark patterning that provides camouflage against tree bark. The hindwings are concealed at rest but display bold coloration when exposed—typically with bands of orange, red, or yellow against a dark background. The body is robust and furry, with that are filamentous in females and slightly feathered in males.

Habitat

Deciduous and mixed forests, particularly areas with oak trees. are often found resting on tree trunks during daylight hours. The has been documented in dry, mixed conifer forest with oaks at elevations around 7,000 feet.

Distribution

Northeastern North America. Documented from Vermont and surrounding regions. The distribution is more restricted than the nominate , which occurs across broader areas of eastern North America.

Seasonality

are active during summer months, typically from June through August. Peak activity coincides with National Week events in late July.

Behavior

are and come to light, though they often remain on the periphery of light stations rather than landing directly on sheets. When disturbed, they flash their brightly colored hindwings as a startle defense against , then rapidly fly to a new perch and conceal the hindwings again. They are primarily arboreal, resting on tree trunks during the day.

Ecological Role

may contribute to pollination of night-blooming flowers. Larvae, when present, function as herbivores in forest . The serves as prey for including bats, birds, and spiders.

Human Relevance

Subject of interest among lepidopterists and citizen scientists participating in National Week and similar events. The dramatic color display of the hindwings makes it a popular photographic subject. No significant economic impact documented.

Similar Taxa

Catocala badia badiaNominate with overlapping range; distinguished by subtle differences in forewing pattern and geographic distribution
Other Catocala species with orange/red hindwingsMany underwing moths share similar hindwing coloration; forewing pattern and body proportions are critical for separation

More Details

Taxonomic Note

The subspecific status of coelebs has been maintained in recent taxonomic treatments, though some authors have questioned the validity of divisions within C. badia. The name 'coelebs' is Latin for 'unmarried' or 'single,' contributing to the 'Old Maid.'

Conservation Status

Not formally assessed; appears to be uncommon but not immediately threatened. loss and light pollution may impact local .