Pest Library

Gray Leaf Spot

Gray leaf spot is a foliar disease that affects perennial ryegrass an...

Gray Snowmold

Damage from snow mold fungi usually becomes apparent as the snow melt...

Green June Beetle

Adult beetles are ¾ to 1 inch long. The adult's upper body is velvety...

Ground Ivy

Ground ivy is a creeping winter perennial. The leaves are round to ki...

Hedge Mustard

This is an introduced annual plant about 1.5' to 3.5' tall that branc...

Henbit

Henbit is a winter annual occasionally found in lawns in early spring...

Japanese Beetle

Japanese beetles are one of the most common pests in Northeast garden...

Lace Bug

Lace bugs are common pests of azalea, rhododendron, sycamore, broad-l...

Large Patch

Large patch is a new name for an old disease of warm-season turfgrass...

Leaf Beetle

The lily leaf beetle adult is a striking insect with a bright scarlet...

Leaf Hopper

Leafhopper adults are elongated, wedge shaped and somewhat triangular...

Leaf Miner

Leafminers are usually the larvae of flies, moths, or beetles that fe...

Mealybug

Mealybugs are insects in the family Pseudococcidae, unarmored scale i...

Melting Out

Leaf spot is one of the most widespread fungus in coolseason turfgras...

Milkweed

The milkweeds, is a genus of herbaceous perennial, dicotyledonous pla...

Mites

Spider mites are common pest problems on many plants around yards and...

Mole Cricket

The mole crickets compose family Gryllotalpidae, of thick-bodied inse...

Morning Glory

Morning glory (Ipomoea species) is a popular, annual, flowering vine ...

Musk Thistle

Musk thistle is a biennial weed that reproduces only from seed. The ...

Pennsylvania Smartweed

Pennsylvania Smartweed, a native annual plant is 1-4' tall, branching...

Pigweed - Amaranthus palmeri

Pigweed (Amaranthus palmeri) is a species of edible flowering plant i...

Pitted Morningglory

Pitted morningglory is a member of the Convolvulaceae or morningglory...

Poa annua

Poa annua, also known as annual meadow grass or more commonly as annu...

Poison Ivy

Poison Ivy is a three leaf plant or vine that grows throughout North ...

Powdery Mildew

Powdery mildews are common on many kinds of plants. Although they may...

Prostate Pigweed

Postrate Pigweed is a summer annual with branched stems up to 2' long...

Purple Nutsedge

Purple Nutsedge is a perennial plant, that may reach a height of up t...

Purslane

Purslane is a summer annual with prostrate growth from a tap root and...

Pythium Blight

Pythium blight begins in mature turf as small slimy or greasy looking...

Pythium Root Rot

Pythium root rot is a persistent problem in areas that are poorly dra...

Red Clover

Red Clover is a perennial with trifoliate leaves and pink to red flow...

Redroot Pigweed

Redroot pigweed is a summer annual broadleaf weed that is typically a...

Red Thread

Red thread is a foliar disease that usually occurs on taller mown tur...

Scale

Scale insects are small, immobile insects with no visible legs or ant...

Sod Webworm

Here are several species of caterpillars called sod webworms that can...

Spotted Spurge

Spotted spurge is a summer annual with a taproot; it has an open and ...

Spring Dead Spot

Spring dead spot symptoms appear in circular patches from 6 inches to...

Summer Patch

Summer patch has been showing up on lawns for the last 2-3 weeks. Thi...

Sunflower

Sunflower is an annual, erect, broadleaf plant with a strong taproot ...

Take All Patch

Take-all patch, caused by the fungus Gaeumannomyces graminis var. gra...