Galium palustre, Belgium, prov. Luxembourg, Commanster © Pascal Hauteclair

Galium aparine, Belgium, prov. Hainaut: Erquelinnes, Grand-Reng © Jean-Yves Baugnée

another specimen

galled lateral bud

gall

Growing tops changed into an artichoke gall: te internodia are shortened, the leaves are shortened and brodened at their base, but not abnormally hairy. Larvae gregarious, orange-yellow. Univoltine of bivoltine, hibernation in the ground.

host plants

Rubiaceae, monophagous

Galium aparine, boreale, lucidum & subsp. cinereum, megalospermum, mollugo, palustre, pumilum, sylvaticum, uliginosum, verum.

synonyms

Cecidomyia, Perrisia, galiicola.

references

Béguinot (2002e,h, 2006a,b, 2007b, 2012a), Blanes-Dalmau, Caballero-López & Pujade-Villar (2017a), Bruun (2015a), Buhr (1964b), Dauphin & Aniotsbehere (1997a), Docters van Leeuwen (1936a), Houard (1909a), Lambinon, Carbonnelle & Claerebout (2015a), Lehmann & Hannover (2016a), Löw (1881a, 1888a), Roskam (2009a), Roskam & Carbonnelle (2015a), Simova-Tošić, Skuhravá & Skuhravý (1997a, 2000a)l, Skrzypczyńska (2007a), Skuhravá & Skuhravý (1988a, 1994a, 1999a,b, 2012a), Skuhravá, Skuhravý, Blasco-Zumeta & Pujade-Villar (2006a), Skuhravá, Skuhravý & Carbonnelle (2017a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý, Dončev & Dimitrova (1991a, 1992a), Skuhravá, Skuhravý & Massa (2007a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a).