Protopirapion atratulum (Germar, 1817)
on Cytisus etc.
flower buds are swollen and remain closed; eventually they drop to the ground. Even then the gall contains an active weevil larva, that by abrupt movements can cause the fallen gall to make a sudden jump. Pupation in the gall.
Apion, Pirapion atratulum; Apion striatum Kirby, 1808.
that this species would induce stem galls is not correct.
Braunert (2017a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Delbol (2013a), Dieckmann (1977a), Ehret (1990a), Redfern & Shirley (2011a), Rheinheimer & Hassler (2010a), Roskam (2009a), Schröder & Zwölfer (1970a), Ugarte San Vicente (2005a), Velázquez de Castro, Alonso Zarazaga & Outerelo (1990a).