Rabdophaga viminalis (Westwood, 1847)
on Salix

Salix viminalis: characteristic gall with empty pupal skin (from Stelter, 1980a)
gall
Under the bark of twigs lives an orange or red larva; the branches are not or only weakly swollen, but the bark has burst open, leaving an ellipse about 10 mm long. Before pupation, the larva makes an emergence opening. Probably univoltine.
hostplants
Salicaceae, narrowly monophagous
Salix viminalis.
According to Stelter also S. aurita, cinerea.
synonyms
Dasineura viminalis; Dasineura, Rhabdophaga, perforans (Kieffer, 1906).
references
Barnes (1951a), Buhr (1965a), Dauphin & Aniotsbehere (1997a), Gagné (2010a), Gagné & Jaschhof (2014a), Houard (1908a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Roskam (2009a), Roskam & Carbonnelle (2015a), Skuhravá, Skuhravý & Meyer (2014a), Stelter (1980a).