Wisconsin has various beetles inhabiting the state, with most of them ill-reputed for infestation and damage to plants, food grains, or household objects. The bigger beetles like the Japanese beetle and green june beetle mainly feed on plants like rose, grapes, and sweet potatoes. The smaller species, on the other hand, like the carpet and khapra beetles, thrive indoors, destroying carpets, clothes, and food products.
Beetle in Wisconsin (WI) Largest Beetles: Green June Beetle, Japanese Beetle, Black Blister Beetle
Smallest Beetles: Black Carpet Beetle , Khapra Beetle, Varied Carpet Beetle
Most Common Beetles: Japanese Beetle, Varied Carpet Beetle
Here is the list of beetles found in Wisconsin arranged in order of the family they belong to.
Ladybird Beetles
Soldier Beetles
Leaf Beetles
Scarab Beetles
Japanese Beetle (Popillia japonica ) Rose Chafer Beetle (Macrodactylus subspinosus )Green June Beetle (Cotinis nitida ) True Weevils
Boll Weevil Beetle (Anthonomus grandis ) Plum Curculio Weevil Beetle (Conotrachelus nenuphar ) Vine Weevil Beetle (Otiorhynchus sulcatus ) Strawberry Root Weevil Beetle (Otiorhynchus ovatus ) Strawberry Bud Weevil (Anthonomus signatus ) Green Immigrant Leaf Weevil Beetle (Polydrusus formosus ) Blister Beetles
Black Blister Beetle (Epicauta Pennsylvania ) Longhorn Beetles
Asian Long-horned Beetle (Anoplophora glabripennis ) Red Milkweed Beetle (Tetraopes tetrophthalmus )Elderberry Borer Beetle (Desmocerus palliates ) Jewel Beetles
Bronze Birch Borer Beetle (Agrilus anxius ) Two-lined Chestnut Borer Beetle (Agrilus bilineatus ) Emerald Ash Borer Beetle (Agrilus planipennis )Leaf Beetles
Scarlet Lily Beetle (Lilioceris lilii ) Stag Beetles
Ptinidae Beetles
Deathwatch Beetle (Xestobium rufovillosum ) Skin Beetles
Black Carpet Beetle (Attagenus unicolor ) Khapra Beetle (Trogoderma granarium )
