Browntail Moth (late instar caterpillar on a wild apple leaf; Lincolnville Center, ME – 6/5/2019) Asian Longhorned Beetle (no confirmed sightings in Maine as yet) Brown Spruce Longhorn Beetle (no confirmed sightings in Maine as yet) (Canada’s Invasive Species Centre) (Brown Spruce Longhorn Photos — BugGuide.net) Brown Marmorated Stink Bug — Halyomorpha