Waisted Ground Beetle
Head: Dark brown to blackish. Whiskers (palpi) reddish-brown.
Antenna: Short, reaches to mid-thorax. Reddish-brown.
Thorax (Pronotum): Dark brown to blackish, smooth and shiny, no punctures. Squarish with lower margin rounded. Long indented line down middle. A narrow constriction ‘waist’ joins thorax to wings.
Wings (Elytra): Dark brown to blackish, ridges and dotted indented lines (striae). Two large reddish blotches at base of wings on each side, and two more rounded orange-reddish spots near tips of wings.
Legs: Reddish-brown, front legs slightly darker and thicker with large spine-line projections for digging.
Abdomen: Black on underside.
Similar Species: Apenes sinuata has smaller thorax and much smaller oblong spots on shoulders and across wing tips. Clivina species are all waisted, but have no marks on abdomen.
Size: 7 mm.
Habitat: Forest edges and wet meadows, stream banks and pond edges.
Food: Probably smaller insects.
Flight Time: May to September
Life Cycle: Can be found almost year round in leaf litter in damp places and in roots of shoreline grasses. Adults attracted to light. Life cycle and food unknown.
Comments: Essex County – Point Pelee National Park. Kent County – Rondeau Provincial Park.
For information on synonyms, references and type specimens see next page