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.

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.

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.

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. 

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.

Asian longhorned beetle (ALB) is a very serious exotic insect pest that was introduced in solid wood packing material from China. It is known to attack 29 species of deciduous hardwood trees.

Carpenter bees are important pollinators, they are not aggressive, and controlling them is not necessary unless they are damaging wooden structures. 

Emerald Ash Borer (EAB) is an exotic invasive insect that is a serious threat to Maryland ash trees. It has killed many millions of ash trees across the Mid-West and Eastern U.S.

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