Flower Insects

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Updated: September 10, 2021

Allium Leafminer

Allium leafminer (ALM) was first observed in Maryland in 2017 and is now widespread through Central and Northern Maryland.
allium leafminer damage ovipositing symptom on foliage
Updated: July 19, 2021

Borer Insects on Flowers

Borers are the caterpillars (larvae) of adult moths that bore into the stems of flowering plants.
European corn borer
Updated: July 14, 2021

Asiatic Garden Beetle

What are the medium brown beetles drawn to outdoor lights on summer nights?
Asiatic garden beetle
Updated: July 12, 2021

Orange Aphids on Milkweed

Oleander aphids, (Aphis nerii) are little orange insects that commonly infest milkweed plants.
orange oleander aphids on swamp milkweed
Updated: June 22, 2021

Plant Bugs on Flowers

There are several types of plant bugs that can cause damage to flowers.
four-lined plant bug nymphs
Updated: June 14, 2021

Earwigs on Flowers

Earwigs are commonly found inside and outside of the home and are easily recognized by the pair of pincers at the tip of the abdomen.
earwigs on zinnia
Updated: April 21, 2021

Japanese Beetles on Trees, Shrubs, and Flowers

Larvae or grubs feed on the roots of Kentucky bluegrass, fine fescues, and other grasses. Adults are brown beetles with metallic green heads that emerge mid-June and feed on more than 275 plant species.
japanese beetles on rose flowers
Updated: April 21, 2021

Leafcutter Bees on Shrubs and Flowers

Leafcutter bees cut circular or c-shaped sections from leaves of plants such as rose and azalea.
leafcutter bee damage
Updated: April 21, 2021

Leaf Feeding Beetles on Flowers

Identify the beetles that damage the foliage of flowering plants.
rose chafer beetles
Updated: April 12, 2021

Boxelder Bugs

Boxelder bugs are a nuisance pest that sneaks into homes in late fall seeking a hiding place.
boxelder bugs adults and nymphs