[Aulacidea] tragopogonis (Thomson, 1877)
Host plants: Tragopogon dubius Scop., T. majus Jacq., T. orientalis L., T. porrifoius L., T. pratense L. (Asteraceae).
Distribution: Palearctic, widespread.

Gall (Plate 8.10). Galls are in stems, small, egg-shaped with smooth surface; the stem is not malformed externally, however, very often galls merge into a large conspicuous lignified, hard swelling up to 40 mm in length, with rough surface.
Biology. Monovoltine. Galls mature in autumn, larvae overwintering in the gall, pupate next spring, in April-May; adults emerge in May-June (Zerova, Diakontschuk & Ermolenko, 1988). Host plants: Tragopogon dubius, T. maior Jacq. (Kierych, 1979), T. porrifolius, T. majus Jacq., T. orientale L., T. pratense L. (Asteraceae).