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Identify and Manage Outdoor Insects
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Identify and Manage Outdoor Insects
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Updated: August 12, 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: August 12, 2024
Spotted Lanternfly in Home Gardens
What should you do if you find spotted lanterflies in your yard or garden in Maryland? Please report them to the Maryland Department of Agriculture. Here, we provide information about this invasive insect's life cycle, where it is currently located in Maryland, and what you can do to manage these nuisance insects around home landscapes.
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: September 11, 2024
Ladybugs or Ladybird Beetles
Ladybugs or ladybird beetles are beneficial insects in a garden because they eat pests.
Updated: August 23, 2024
Social Wasps: Yellowjackets, Hornets, and Paper Wasps
How to identify and manage common wasps such as yellowjackets, European hornets, baldfaced hornets, and paper wasps found in Maryland. The Northern giant hornet ("murder hornet") and yellow-legged hornet are not present in Maryland.
Updated: August 23, 2024
Box Tree Moth
Be on the lookout for a new pest of boxwoods. Box tree moth caterpillars chew the leaves of boxwood plants and can cause complete defoliation. Boxwoods are their only host plant. This pest has been found in several US states, but it is not in Maryland yet (as of August 2024). If you find it, please report it to us.
Updated: July 18, 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: June 14, 2024
Assassin Bugs
Assassin bugs are predatory insects.
Updated: May 17, 2024
Ticks in Maryland
There are six species of ticks found in Maryland and the majority of them are capable of transmitting diseases to people and pets. Here are resources for identifying ticks in Maryland and protecting yourself from tick bites.
Updated: May 9, 2024
Euonymus Leaf Notcher
Euonymus leaf notcher is an invasive insect and pest of ornamental euonymus plants.
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