Bug Identifier
Inchworm (Cankerworm)
Community identification

Inchworm (Cankerworm)

Paleacrita vernata

Order & Family
Order: Lepidoptera, Family: Geometridae
Size
Approximately 0.5 to 1 inch (12 to 25 mm) in length.
See this bug in the Encyclopedia

Natural Habitat

Found in deciduous forests, orchards, and urban gardens across North America.

Diet & Feeding

Primarily feeds on the leaves of deciduous trees, such as oak, maple, elm, and fruit trees.

Behavior Patterns

Known for their distinctive looping movement caused by having prolegs only at the front and back ends. They are active in the spring and can often be seen dangling from trees on silk threads.

Risks & Benefits

While they can cause significant defoliation to trees if an infestation is large, they are a vital food source for many bird species. They generally pose no direct risk to humans.