Euclidia cuspidea

Hübner, 1818

Toothed Somberwing

Euclidia cuspidea, commonly known as the Toothed Somberwing, is a in the Erebidae. It occurs across much of North America, from Quebec and the Northwest Territories south to the Gulf of Mexico. are active in spring and early summer, with larvae feeding on clovers and grasses.

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Pronunciation

How to pronounce Euclidia cuspidea: /juːˈklɪdiə kʌsˈpɪdiə/

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Distribution

North America: Quebec west to western Alberta, north to Northwest Territories, and south to Gulf of Mexico. Canadian provincial records include Alberta, Manitoba, and Saskatchewan.

Seasonality

are on wing from May to June, varying by location.

Diet

Larvae feed on various clovers (Trifolium spp.) and grasses.

Host Associations

  • clovers - larval food plantvarious Trifolium
  • grasses - larval food plantunspecified grass

More Details

Wingspan

28–36 mm

Original description

First described by Jacob Hübner in 1818 as Drasteria cuspidea

Sources and further reading