The Browntail Moth Caterpillar (Euproctis chrysorrhoea) is the larval stage of an invasive moth species that can cause both plant damage and health concerns for humans. These caterpillars feed on the leaves of many trees and shrubs and are known for the irritating hairs that can cause skin rashes.
Quick Facts
- Family: Erebidae
- Habitat: Forests, orchards, suburban landscapes
- Diet: Tree leaves
- Status: Invasive pest
Identification
Browntail moth caterpillars are dark brown with white markings and two orange spots near the rear of the body. They are covered with fine hairs that can cause skin irritation.
Distribution
This invasive species is primarily found in parts of the northeastern United States and Canada.
Life Cycle
The moth undergoes complete metamorphosis including egg, caterpillar, pupa, and adult stages.
Pest Status
Heavy infestations can defoliate trees and the caterpillar hairs can cause rashes in humans.
Prevention
- Inspect trees for winter webs
- Remove infested branches
Control
Professional pest control treatments may be necessary during severe outbreaks.