Asphondylia ulicis Trail, 1873
on Ulex

Ulex gallii, UK, Kent, Wisley Common, 8.ix.2015 © Sébastien Carbonnelle

opened gall with dead larva (right) and parasitoid (in the pod, at left)

probably a galled vegetative bud
gall
Larvae in enlarged and galled axillary buds, but also in flower buds. The pictures above demonstrate that there moreover is a second generation, living in the galled pods. The inner wall of the gall chamber is lined with an initially white, but finally black mycelium. Larvae orange yellow.
host plants
Fabaceae, monophagous
Ulex europaeus, gallii, minor, parviflorus subsp. funkii, willkommii subp. micranthus.
pupa
head of the pupa, to show the pair of frontal teeth (from Rübsaamen, 1916b)
references
Béguinot (2006a), Blanes-Dalmau, Caballero-López & Pujade-Villar (2017a), Chinery (2011a), Dauphin & Aniotsbehere (1997a), Houard (1909a), Redfern & Shirley (2011a), Rübsaamen (1916b), Sánchez, Skuhravá & Skuhravý (2012a), Schröder & Zwölfer (1970a), Skuhravá, Skuhravý, Blasco-Zumeta & Pujade-Villar (2006a), Tavares (1905a).