Catocala connubialis

Guenée, 1852

Connubial Underwing

Catocala connubialis, the connubial underwing, is a in the Erebidae. It is a medium-sized underwing moth with a wingspan of 37–47 mm. The is distributed across eastern and central North America, from Ontario and the Maritime provinces south to Florida and west to Texas, Oklahoma, and Missouri. are active from June to September, with likely one per year.

Catocala connubialis by (c) Andy Reago & Chrissy McClarren, some rights reserved (CC BY). Used under a CC-BY license.

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Pronunciation

How to pronounce Catocala connubialis: /ˌkætoʊˈkeɪlə ˌkɒnjuˈbaɪəlɪs/

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Identification

As an underwing in the Catocala, this possesses cryptic, bark-matching forewings that hide brightly colored hindwings. Specific identification to species level within Catocala requires examination of precise wing patterns, particularly the details of hindwing banding and forewing markings. Dissection of genitalia may be necessary for definitive identification, as many Catocala species are similar in appearance.

Images

Habitat

Associated with wooded supporting its larval plants, including areas with buttonbush (Cephalanthus occidentalis), chinaberry (Melia azedarach), and northern red oak (Quercus rubra). The has been recorded in dry mixed conifer forest with oaks at elevations around 7,000 feet.

Distribution

Eastern and central North America. Range extends from Ontario to Prince Edward Island, including Quebec, New Brunswick, and Nova Scotia, south to Florida, and west to Texas, Oklahoma, and Missouri.

Seasonality

are on wing from June to September, with timing varying by location. There is probably one per year.

Diet

Larvae feed on Cephalanthus occidentalis (buttonbush), Melia azedarach (chinaberry), and Quercus rubra (northern red oak). feeding habits are not documented.

Host Associations

Cephalanthus occidentalis - larval buttonbush
Melia azedarach - larval chinaberry
Quercus rubra - larval northern red oak

Life Cycle

Likely (one per year). Detailed information including , larval instars, , and stage is not documented.

Behavior

are . Like other underwing moths, they typically rest with forewings folded over the back, concealing the brightly colored hindwings. When disturbed, they may flash the hindwings as a startle defense before taking . Underwing moths generally do not come readily to lights, or remain on the periphery of lighted areas.

Ecological Role

Larvae function as herbivores on their plants. likely serve as prey for including bats and birds. The contributes to the as both consumer and food source.

Human Relevance

Subject of interest to lepidopterists and citizen scientists participating in observation events such as National Moth Week. The is not known to be of economic importance.

Similar Taxa

Other Catocala speciesMany underwing moths share the characteristic cryptic forewings and brightly patterned hindwings. Specific identification requires detailed examination of wing patterns and often genitalia dissection.

More Details

Taxonomic history

The was first described by Achille Guenée in 1852. The Catocala, formerly placed in Noctuidae, is now classified in family Erebidae. The name Catocala is derived from Greek meaning 'beautiful below', referring to the striking hindwings hidden beneath the forewings.