Diptera: Cecidomyiidae - gall midge Diodaulus linariae Gall on Linaria vulgaris, Common Toadflax Hosts: Linaria purpurea, vulgaris Artichoke gall formed of tufts of leaves at tip of shoots. Two generations a year, the solitary whitish larvae pupatingin the gall in summer and in the soil in winter. D. traili forms small reddsh galls in flower buds of Pimpinella saxifraga

Diodaulus linariae
Badbury Rings, Dorset. July 2018