Invasive Insects

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.

Northern giant hornet (Vespa mandarinia) has not been found in the Mid-Atlantic region; however, there are many other species of large wasps that are found in this area. 

Viburnum leaf beetle (Pyrrhalta viburni) is an introduced pest of viburnum in North America.

The Sirex woodwasp (SWW) is an exotic, invasive pest considered to be one of the top 10 most serious forest insect pests worldwide.

Japanese cedar longhorned beetle is an invasive insect that was first detected in Maryland in 2011.

Kudzu bug is an invasive insect that has also been found in Maryland on the Eastern shore, in southern and central Maryland.

Euonymus leaf notcher is an invasive insect and pest of ornamental euonymus plants.

The brown marmorated stink bug (Halyomorpha halys) is an invasive insect that has become a fairly common pest in North America. It is a nuisance pest in homes and gardens.

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.