Ensina sonchi

Ensina sonchi  is a species of fly in the family Tephritidae, the gall flies. It is found in the Palearctic. The head is light yellow head. Greenish body with yellow villae. The disc of the mesonotum is blackish. Black mesophragm. The legs and halteres are dirty yellow. Wings vitreous or opaline. Abdomen black: tergites tightly yellow at posterior margin with black villi; rufous sternites; Macrochaetes yellowish. Oviscapte black, apex and sides rufous, with fine, yellowish villi. -Long. : 3-3.5 mm. The larvae feed on the flower heads of Asteraceae (Chondrilla juncea, Cirsium arvense, Cirsium vulgare, Hieracium umbellatum, Hypochaeris radicata Sonchus arvensis, Taraxacum officinale ....).

Distribution
United Kingdom & Scandinavia South to North Africa, East to Japan; introduced to Ethiopia, Taiwan, Philippines, Hawaii.