The Brown Tail Moth (Euproctis chrysorrhoea) is an invasive moth species known for its irritating caterpillars. The larvae possess tiny toxic hairs that can cause skin irritation and respiratory issues in humans. This pest has become a significant concern in some coastal regions of the northeastern United States.
Quick Facts
- Family: Erebidae
- Habitat: Trees, shrubs, and coastal forests
- Diet: Leaves of hardwood trees and shrubs
- Status: Invasive pest species
Identification
Adult moths are small white moths with a tuft of brown hairs at the end of the abdomen. The caterpillars are dark with reddish spots and covered with irritating hairs.
They belong to the larger group of moths that produce plant-feeding caterpillars.
Distribution
The brown tail moth is primarily found in parts of the northeastern United States, including Maine and surrounding coastal areas.
Life Cycle
The life cycle includes egg, caterpillar, pupa, and adult stages. Caterpillars overwinter in silken webs and resume feeding in spring.
Pest Status
Caterpillars can defoliate trees and cause human health issues due to their toxic hairs.
Prevention
- Remove winter webs from trees
- Avoid contact with caterpillars
- Wear protective clothing when handling infested plants
Control
Control often involves removing overwintering webs or using targeted biological insecticides when larvae are active.