Beetles in Connecticut

Connecticut has several beetle species of various families, the largest being the Asian longhorn beetle, mainly targeting poplar, mulberry, elm, and maple trees. The southern pine beetle of the true weevils family known to infest pine trees, as evident from its name, has been spotted in Connecticut since 2015. Then there are other pests, including the Japanese beetle, emerald ash borer beetle, etc. The smaller carpet beetles, present in most parts of the United States, thrive here too, mostly dwelling indoors.

Beetles in Connecticut (CT)

Largest Beetles: Asian Longhorn Beetle, Japanese Beetle

Smallest Beetles: Black Carpet Beetle, Varied Carpet Beetle

Most Common Beetles:  Asian Longhorn Beetle

Here is the list of beetles found in Connecticut arranged in order of the family they belong to.

Scarab Beetles

  • Japanese Beetle (Popillia japonica)

Rhinoceros Beetles

  • Unicorn Beetle (Xyloryctes jamaicensis)

Longhorn Beetles

  • Asian Longhorn Beetle (Anoplophora glabripennis)

Jewel Beetles

  • Emerald Ash Borer Beetle (Agrilus planipennis)

True Weevils

  • Southern Pine Beetle (Dendroctonus frontalis)
  • European Elm Bark Beetle (Scolytus multistriatus)

Ground Beetles

  • Punctured Tiger Beetle (Cicindela punctulata)
  • Eastern Red-bellied Tiger Beetle (Cicindela rufiventris)
  • Six-spotted Tiger Beetle (Cicindela sexguttata)
  • Hairy-necked Tiger Beetle (Cicindela hirticollis)
  • Purple Tiger Beetle (Cicindela purpurea)
  • Bronzed Tiger Beetle (Cicindela repanda
  • Festive Tiger Beetle (Cicindela scutellaris)
  • Twelve-spotted Tiger Beetle (Cicindela duodecimguttata)
  • Oblique-lined Tiger Beetle (Cicindela tranquebarica)
  • Big Sand Tiger Beetle (Cicindela formosa)

Skin Beetles

  • Black Carpet Beetle (Attagenus unicolor)
  • Varied Carpet Beetle (Anthrenus verbasci)