Identify and Manage Outdoor Insects

Spotted lanternfly (Lycorma delicatula) is an invasive sap-feeding insect native to eastern Asia. It was first detected in Maryland in 2018.

Answers to common questions about brown marmorated stink bugs

Earwigs are commonly found inside and outside of the home and are easily recognized by the pair of pincers at the tip of the abdomen.

The emergence of Brood X of the 17-year periodical cicadas will occur in the spring of 2021. This page covers the biology and behavior of cicadas, what to expect during the cicada emergence, and how to protect young trees from egg laying damage.

The European hornet is the only true hornet in the United States. The notches on the abdomen distinguish it from the Asian Giant Hornet ("murder hornet"), which is not present in Maryland.

Chiggers are a tiny larvae of mites in the genus Eutrombicula. Their bite causes intense itching.

What are the medium brown beetles drawn to outdoor lights on summer nights?

Oleander aphids, (Aphis nerii) are little orange insects that commonly infest milkweed plants.

Carpenter ants are large dark insects that can sometimes become a problem in the home. Unlike termites, they do not feed on wood but cause damage by creating nests in damp or moisture-compromised wood.