Tephritis dilacerata (Loew, 1846)

on Sonchus

gall

the flower heads are swollen, the involucral bracts are broadened. Inside some maggots, feeding on the fruits and the receptacle; they pupate within the gall.

hostplants

Asteraceae, narrowly monophagous

Sonchus arvensis.

Only exceptionally on other Sonchus species.

references

Baugnée (2006a), Berube (1978a), Buhr (1965a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Klasa, Kaczorowska & Soszyński (2011a), Korneev (2016c), Lutovinovas (2014a), Niblett (1940a), Shorthouse (1980a), Smit (2010a), Spooner & Bowdrey (2012a), Tomasi (2014a).

mod 30.viii.2018