Adult males are solid brown except for their big, red-orange head.
Females have wide, dark stripes down both sides of the body. May. Female lays 6-16 eggs in May or June and protects them until they hatch in June or August. Wooded areas with leaf litter and hollow stumps or logs. Insects and spiders. Hunting during the day, biting people who try to pick them up, shaking wasp nest to feed on falling pupae.