9 larvae at 12 mm each, found on Populus tremula
2 larvae on Ribes uva-crispa. Length: 20 and 17 mm
6 larvae found on Equisetum - by daylight in the sun
Length: 10-13 mm
Younger larva. Length: 13 mm - found on Equisetum (Horsetail)
A special bright form.
Full grown.
Length: 13 mm