Spiny elm caterpillar
(mourning cloak butterfly)
Nymphalis antiopa
- Larvae feed on leaves in groups; when numerous, they can defoliate branches
- Larvae feed in May and June and again in July or August
- Black with scattered white spots with a single row of red spots and black spines along its body
- Turn into mourning cloak butterflies
- More information on Spiny elm caterpillar...







