Rabdophaga repenticornua Bland, 2001
Axillary bud enlarge, up to 13 mm long, shaped as slender, weakly bent horn, eventually with a slit-like opening at the tip. Larva solitary, orange. Probably development takes two years.
Salicaceae, narrowly monophagous
Bland (2001b), Gagné (2010a), Redfern & Shirley (2011a).