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.
Largest Beetles: Asian Longhorn Beetle, Japanese Beetle