Larinus longirostris Gyllenhal, 1835
on Centaurea
gall
the flowerheads are swollen; the outer bracts terminating in minute spines, the inner ones in s-shape.
host plants
Asteraceae, (narrowly?) monophagous
Centaurea aspera.
references
Dauphin & Aniotsbehere (1997a), Gültekin & Alonso-Zarazaga (2015a), Houard (1909a).