Langessa

Munroe, 1972

black langessa moth

Langessa is a of crambid in the Acentropinae, established by Munroe in 1972. The sole , Langessa nomophilalis (black langessa moth), occurs in the southeastern United States. are small moths with distinctive bronzy- and patterned . are aquatic, feeding on submerged vegetation.

Pronunciation

How to pronounce Langessa: /læŋˈɡɛsə/

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Identification

The single in this can be recognized by its small size (wingspan 20–22 mm), bronzy- with metallic reflection, and grey-brown bearing three black along the inner margin plus two faint submarginal . No other Langessa species exist for comparison within the genus.

Habitat

Associated with aquatic environments where larval plants grow. occur in coastal plain of the southeastern United States.

Distribution

Southeastern United States: recorded from Alabama, Florida, and South Carolina.

Seasonality

active year-round; no specific peak season documented.

Diet

feed on aquatic plants; feeding habits not documented.

Ecological Role

Larval stage contributes to in freshwater aquatic .

Similar Taxa

  • Acentropinae (subfamily)Other acentropine share aquatic larval habits; distinguished by the unique pattern combination of bronzy and with three black marginal plus two submarginal .
  • Other small CrambidaeMany small crambids have plain or differently patterned ; the specific pattern of black on grey- with bronzy is diagnostic.

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