closeup on a hairy egg cocoon of the gypsy moth, lymantria dispar against the bark of a tree

arthropoda arthropod ecology european gypsy moth insect lepidoptera lifestage lymantria dispar lymantriidae nature north american animal antennae biology butterfly closeup cocoon creature entomology feathery hairy head invertebrate macro nest night nocturnal outdoors single spongy tussock wild wildlife natural egg against bark tree