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Identify and Manage Outdoor Insects
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Identify and Manage Outdoor Insects
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Updated: April 2, 2024
Insects: Our Most Under-Appreciated Neighbors
Are insects bugging you? Very few (less than 1% of species) are pests. Most insects provide vital benefits to people and the environment. Before reaching for pesticides to kill insects around your home, learn about them and what they do-- we're here to help!
Updated: March 13, 2024
Spotted Lanternfly Management for Residents
Spotted lanternfly (Lycorma delicatula) is an invasive sap-feeding insect native to eastern Asia. It was first detected in Maryland in 2018.
Updated: February 14, 2024
Outdoor Insects in the Home Landscape
Most of the insects in the home landscape are beneficial. Learn to identify them and attract them to the garden. Learn to identify and manage other insects that may cause problems.
Updated: April 4, 2024
Cicadas in Maryland
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.
Updated: April 1, 2024
Reminders for Monitoring and Managing Spotted-Wing Drosophila
Spotted-wing drosophila (SWD, Drosophila suzukii) is a small fly that lays its eggs into ripening and ripe soft-skinned fruit, causing direct damage and wounds that other pests and pathogens can use. Although they prefer fully colored ripe fruit, they are capable of infesting fruit that is just starting to turn color and will do so when populations are high.
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.
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