Grey Dagger

Acronicta psi
Noctuidae
1 / 3
Description

Black caterpillar with a white dorsal line and tufts of black hairs. Long tuft of black hairs on the forward part of the back.

Information
Size
3–4 cm
Observation period
June to September
Toxicity
No
Rarity
Common
Host plants
BirchAlderPoplarWillowOakBlackthorn
Distribution

Throughout France and almost all of Europe.

Notes

Recognisable by the long tuft of black hairs raised at the front of the body.