Trigonaspis megaptera (Panzer, 1801)

Host plants/gall: Q. fr., Q. pet ., Q. pub ., Q. r.—monolocular galls, like a kidney or bean shaped, even ovoidal (2–4 mm long), on the underside of leaves, fixed on ribs (- a -); spherical galls (± 10mm Ø) formed in accessory buds of trunks or thickly branches of old oaks (- s -).

Distribution in Dobrogea: near common species in Romania (Ionescu, 1973), Isaccea (Borcea, 1912), Babadag (Tudor, 1986), forests—Caraorman and Letea into Danube Delta (Mustaţӑ & Andriescu, 1994), TL county.