Ulmus glabra, Belgium, prov. Liège, Hucconge: larva in dorsal view; © Jean-Yves Baugnée
Ulmus glabra, Nieuwendam: thorax, ventraal
terminal segments, ventral
segment 8-9, ventraal and in profile
front foot, and coxae 2-3
Normally the larva lies venter-upwards in the mine. The small warts on segment 9, and frontal of the rearmost prolegs, are practically unpigmented in some specimens!