Slimy mollusks that chew ragged holes in grass and leaves, especially in damp, shady, thatchy spots.

Irregular, ragged holes in leaves or turf edges rather than clean cuts. Look for shiny silvery slime trails in the early morning, which are the giveaway sign. Damage tends to be worst in shaded, moist areas with heavy thatch or mulch.
Often mistaken for: Caterpillar or beetle chewing damage
Shows up during cool, damp stretches in spring and fall. Most active at night and in the early morning hours.
Home lawns and shaded, moist landscape areas with thatch or mulch nearby.

Night-feeding caterpillars that chew up lawns fast, sometimes overnight, and can look like sudden drought damage.

Small sap-sucking bugs that can leave grass looking pale and stippled, with spittlebugs making odd white foam in the lawn.

A tiny turf pest that sucks moisture from grass, leaving sunny patches wilted and discolored that won't green back up with water.

Bees or wasps that dig burrows in thin, bare patches of lawn—some are helpful pollinators, others can be aggressive.