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Identify and Manage Outdoor Insects
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Identify and Manage Outdoor Insects
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Updated: September 15, 2023
Viburnum Leaf Beetle
Viburnum leaf beetle (Pyrrhalta viburni) is an introduced pest of viburnum in North America.
Updated: September 15, 2023
Flower Fly
Flower flies are a natural predator of aphids. Flower flies are mainly nonselective pollinators, feeding on nectar and pollen from a variety of plants and agriculturally important crops.
Updated: August 16, 2023
Predatory Bugs
Predatory bugs are in the insect order Hymenoptera and use piercing-sucking mouthparts to kill their prey.
Updated: August 7, 2023
Spiders in Maryland
Spiders are general predators, feeding on a wide range of prey (insects, other spiders, etc.). They are beneficial to people because they feed on harmful insects.
Updated: July 24, 2023
Controlling Mosquitoes
Prevent mosquito bites by wearing repellants and protective clothing. Eliminate standing water on your property to reduce mosquito breeding sites.
Updated: July 20, 2023
Lacewings
Lacewings are delicate green or brown insects, excellent predators of aphids and other small insects.
Updated: June 28, 2023
Ladybugs or Ladybird Beetles
Ladybugs or ladybird beetles are beneficial insects in a garden because they eat pests.
Updated: May 24, 2023
Termites
Termites are native insects in Maryland and live in colonies underground. They can damage wood that is in contact with soil. We provide guidance on how to detect an an active termite infestation around your home.
Updated: April 5, 2023
Carpenter Bees
Carpenter bees are important pollinators, they are not aggressive, and controlling them is not necessary unless they are damaging wooden structures.
Updated: March 24, 2023
Emerald Ash Borer (EAB)
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.
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