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Shrub Insects
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Updated: March 23, 2023
Crapemyrtle Bark Scale - A New Problem for Home Landscapes
Crapemyrtle bark scale (Acanthococcus lagerstroemiae) is a non-native type of soft scale insect that can be difficult to manage.
Updated: February 24, 2023
IPM - Prevent, Identify, and Manage Plant Problems
How to ID, prevent, and manage plant problems in Maryland using IPM
Updated: March 10, 2023
Leafcutter Bees on Shrubs and Flowers
Leafcutter bees cut circular or c-shaped sections from leaves of plants such as rose and azalea.
Updated: March 6, 2023
Boxwood Leafminer on Shrubs
If the leaves of boxwood leaves appear puckered, boxwood leafminer larvae are to blame.
Updated: March 1, 2023
Tuliptree Scale
Tuliptree scale (Toumeyella liriodendri) is a native type of soft scale insect.
Updated: March 1, 2023
Asiatic Garden Beetle
What are the medium brown beetles drawn to outdoor lights on summer nights?
Updated: March 1, 2023
Leafminers on Trees and Shrubs
Leafminers feed between the upper and lower surfaces of a leaf. Control is usually not necessary.
Updated: March 1, 2023
Understanding Degree Days
Degree Days (DD), also termed Growing Degree Days (GDD), measure how much warmth above a certain threshold has accumulated since the beginning of the year.
Updated: February 28, 2023
Sawflies on Trees and Shrubs
Sawfly damage is done by the larval stage that resembles caterpillars. They feed in groups lined up along the margins of leaves.
Updated: February 28, 2023
Spittlebugs on Trees and Shrubs
White frothy substance on tender plant stems cover spittlebugs as they suck plant juices.
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