Beetles in Pennsylvania

Most of the beetles in Pennsylvania have been considered annoying household pests causing immense damage to food products. For instance, the saw-toothed grain beetle infests cereals and flour, while the larder beetle spoils cornmeal and dry pet food.

The giant stag beetle dwelling on decayed wood is the state‚Äôs biggest beetle, while the black carpet beetle infesting fabrics is the smallest. 

Beetles in Pennsylvania (PA)

Largest Beetles: Giant Stag Beetle, Japanese Beetle, Larder Beetle

Smallest Beetles: Black Carpet Beetle, Asiatic Garden Beetle

Most Common Beetles: Black Carpet Beetle, Giant Stag Beetle

Cedar Beetles

  • Cicada Parasite Beetle (Sandalus niger)

Ground Beetles

  • Six-spotted Tiger Beetle (Cicindela sexguttata)
  • Big-headed Ground Beetle (Scarites subterraneus)
  • Pennsylvania Ground Beetle (Harpalus pensylvanicus)
  • Lebia tricolor

Handsome Fungus Beetles

  • Handsome Fungus Beetle (Endomychus biguttatus)

Rove Beetles

  • Gold-and-brown Rove Beetle (Ontholestes cingulatus)

Stag Beetles

  • Giant Stag Beetle (Lucanus elaphus)

True Weevils

  • Strawberry Root Weevil Beetle (Otiorhynchus ovatus)
  • Ligustrum Weevil Beetle (Ochyromera ligustri)
  • Rough Strawberry Root Weevil (Otiorhynchus rugosostriatus)
  • Southern Pine Beetle (Dendroctonus frontalis)

Straight-snouted Weevils

  • Oak Timberworm Beetle (Arrenodes minutus)

Scarab Beetles

  • Scooped Scarab Beetle (Onthophagus hecate)
  • Green June Beetle (Cotinis nitida)
  • Northern Masked Chafer Beetle (Cyclocephala borealis)
  • Oriental Beetle (Exomala orientalis)
  • Asiatic Garden Beetle (Maladera castanea)
  • Japanese Beetle (Popillia japonica)

Rhinoceros Beetles

  • Carrot Beetle (Tomarus gibbosus)

Ladybird Beetles

Longhorn Beetles

  • Flat Oak Borer Beetle (Smodicum cucujiforme)
  • Brown Prionid Beetle (Orthosoma brunneum)
  • Spined Oak Borer Beetle (Elaphidion mucronatum)
  • Red Milkweed Beetle (Tetraopes tetrophthalmus)
  • Asian Long-horned Beetle (Anoplophora glabripennisp)

Leaf Beetles

  • Black-margined Loosestrife Beetle (Neogalerucella calmariensis)
  • Grape Rootworm Beetle (Fidia viticida)
  • Three-lined Potato Beetle (Lema daturaphila)
  • Striped Cucumber Beetle (Acalymma vittatum)
  • Milkweed Leaf Beetle (Labidomera clivicollis)
  • False Potato Beetle (Leptinotarsa juncta)
  • Amblycerus robiniae

Silvan Flat Bark Beetles

  • Saw-Toothed Grain Beetle (Oryzaephilus surinamensis)

Ant-like Flower Beetles

  • Cloudy Flower Beetle (Anthicus cervinus)

False Powderpost Beetles

  • Red-shouldered Bostrichid Beetle (Xylobiops basilaris)

Soldier Beetles

Net-winged Beetles

  • Reticulated Net-winged Beetle (Calopteron reticulatum)

Skin Beetles

  • Larder Beetle (Dermestes lardarius)
  • Black Carpet Beetle (Attagenus unicolor)

Jewel Beetles