Head: Black, shiny, narrow. Small, flat eyes.
Antenna: Dark brown to black, hairy and long, reaching to almost end of thorax. Segments 1 to 4 more yellowish.
Thorax (Pronotum): Orange-red, shiny, long, but not much wider than head.
Wings (Elytra): Metallic green, sides straight (parallel). Tip of wings squared. Wings do not reach tip of abdomen.
Legs: Long. Thighs (femora) orange-red on base half; last half black. Shins (tibiae) have black at base, rest orange-red. Feet dark. Male has front and middle feet (tarsi) wide with rows of hair on underside.
Abdomen: Underside dark. Tip blunt, squarish, protruding past wings.
Similar Species: False Bombardier Beetle Galerita janus has all reddish-orange legs, no black. Calleida decora is identical except for prominent, bulging eyes, and is located from S. Dakota to Florida, not in Ontario.
Size: about 7 mm
Habitat: Carolinian forests and meadows.
Food: Both adults and larvae feed on smaller insects, especially pest moth larvae like cutworms and tent caterpillars. Often found on Goldenrod, Milkweed and Asters, feeding on pollen.
Flight Time: June to September
Life Cycle: Larvae usually found with adults. Information limited. See Featured Creatures by Univ. of Florida for biology of similar Calleida decora:
Comments: Essex County – Point Pelee National Park and Ojibway Prairies. Widespread in southern Ontario to Ottawa.
Synonyms: LeConte 1846
A descriptive catalogue of the geodephagous Coleoptera inhabiting the United States east of the Rocky Mountains, 1848 (Book) by LeConte, pp. 189 to 190: (in Latin).
Tenth Annual Report of the Secretary of the Massachusetts Board of Agriculture, 1862, by Flint, pp. 137 to 183.
ZooKeys 2012, #245: Catalogue of Geadephaga of America by Bousquet, pp. 1345 to 1346.
Beetles of Eastern North America 2014 by Evans, pg. 89.
Holotype as Calleida punctata by LeConte, 1848. Type Locality: Kansas. In the Museum of Comparative Zoology, Harvard, Cambridge, Massachusetts. Type # 5820. Photos.