Wedge-Shaped Beetle

Scientific Name: Macrosiagon pectinata

Family: Ripiphoridae

Native Range: North and Central America


Color and Appearance: Black with a red strip horizontally across wings

First defined by Fabricius 1775. Pectinata = ‘combed, comb-bearing.’ (

Some members of the Ripiphoridae parasitize bees by laying their eggs on leaves near flowers. The hatching larva crawl onto the bees, ride them back to their nests, and to attack the larva when they hatch. (

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