Grey Arches larva on Ash

Grey Arches larva on Ash

Observation - Grey Arches larva on Ash. Description: Another candidate for the species from the same time of year (this year) at the same site is posted here- http://www.ispotnature.org/node/375867

Another candidate for the species from the same time of year (this year) at the same site is posted here-

http://www.ispotnature.org/node/375867