The adult Tephritis neesii has a blackish-brown body with a paler powder on the surface, which is less pronounced on the abdomen. The body bears short black hairs, the tips of which appear yellow in reflected light. The legs are rufous, as is the head; the face is white, and the frons is greyish in the centre.
Males have dark femurs, and the third segment of each antenna is dark brown, whereas females have yellow femurs and a vaguely brown third segment to the antenna
Seen in the gardens of Chiswick House in 2020