Missouri has a few documented species of beetles, with the Eastern hercules beetle inhabiting woodlands and forests being the largest. Of the small carpet beetle species, the varied carpet beetle is more common here, infesting leather, fur, feather, wool, and so on. The state even has many blister beetle species, with the presence of the striped blister beetle, a menace to soybeans and alfalfa plants being recorded.
Another significant beetle species that needs special mention is the American Burying Beetle that had become endangered. The collaboration of the Saint Louis Zoo’s Center for American Burying Beetle Conservation, Missouri Department of Conservation, Nature Conservancy reintroduced Zoo-bred American burying beetles, and the U.S. Fish and Wildlife Service helped reintroduce these beetles back in the state.
Largest Beetles: Eastern Hercules Beetle, Japanese Beetle
Smallest Beetles: Varied Carpet Beetle
Here is the list of beetles found in Missouri arranged in order of the family they belong to.