Stinging and Biting

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Updated: May 11, 2021

Chiggers

Chiggers are a tiny larvae of mites in the genus Eutrombicula. Their bite causes intense itching.
chigger mites
Updated: May 7, 2021

Asian Giant Hornet

Asian 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. 
Asian giant hornet pinned sample
Updated: May 4, 2021

Paper Wasps

Paper wasps are commonly found in Maryland and are often confused with yellowjackets.
Paper wasp adult
Updated: April 8, 2021

Bird Mites

Bird mites, also known as northern fowl mites, are parasites of birds and domestic fowl.
bird mite
Updated: April 8, 2021

Bed Bugs

Bed bugs are small, brown insects that feed solely on the blood of animals, including humans.
bed bug
Updated: March 9, 2021

Kissing Bugs

Kissing bugs, the bloodsucking conenose (Triatoma sanguisuga), are present in Maryland, but they are of little cause for concern. The risk of contracting a disease from them is extremely low. Common wheel bugs and boxelder bugs are often mistaken for kissing bugs.
kissing bug
Updated: March 9, 2021

Fleas

The cat flea is the most common flea encountered in homes. It survives on both dogs and cats and will bite humans.
cat flea
Updated: March 9, 2021

Bumble Bees

Bumble bees are important pollinators that feed on nectar and pollen. They very rarely sting.
bumble bee on blue baptisia flowers
Updated: March 5, 2021

European Hornets

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.
European hornet
Updated: March 5, 2021

Asian Longhorned Tick

Asian longhorn ticks are more commonly found in tall grass and pasture environments more so than forest environments. While they prefer to feed on wildlife and livestock, longhorned ticks will feed on pets and humans as well.