The Minnesota Department of Agriculture plans to treat 42 areas across seven counties for spongy moth, which is spreading north and southeast of the Twin Cities. Its caterpillars have voracious ...

Mature caterpillars wander away from the “tent” after four to six weeks to search out a location to spin a cocoon, typically in the soil. Adult moths emerge from the cocoon in 3 weeks. Moths mate and ...

“That is not spongy moth. Thankfully, that is a common native species. That is a tent caterpillar.” Typically, these caterpillars congregate together and make a large web. Overtime, they feed ...

Eastern tent caterpillars ... Mature caterpillars leave the host plants in early summer in search of suitable sites to pupate within a silken cocoon they will spin. Moths emerge later that ...

Eastern tent caterpillars are a native species that create noticeable silken nests in trees, primarily black cherry trees. While they may cause temporary defoliation, they do not kill trees and ...

A: Insect development depends on temperature trends, and Central Maryland probably hasn’t reached the warmth threshold yet for tent caterpillar egg hatch. This native moth spends the winter as ...