Black-beetle

Guides

• Agonum trigeminum

  triple harp ground beetle

  Agonum trigeminum is a small ground beetle in the family Carabidae, measuring 8.3–10 mm in length. It is deep black in color and occurs in the eastern United States and eastern Canada. The species is associated with margins of eutrophic ponds and pools with dense vegetation. It is one of several Agonum species studied as part of predator communities in turfgrass ecosystems.

  ground-beetlewetlandpredatorNorth-Americaeutrophic-pondturfgrass-predatorCarabidaeAgonumblack-beetlepond-marginvegetation-margin

• Brachycoryna montana

  Montana Tortoise Beetle

  Brachycoryna montana is a small tortoise beetle in the family Chrysomelidae, measuring 2.5-3.4 mm in length. It is characterized by a uniformly black head, pronotum, and elytra. The species is distributed across western and central North America, from the Canadian prairies to the southwestern United States. Its specific food plant remains unknown, though adults have been collected on Artemisia species including big sagebrush (Artemisia tridentata).

  Cassidinaetortoise-beetleChrysomelidaesagebrush-associatedsmall-beetleblack-beetle