Geocrypta galii (Loew, 1850)
on Galium
Galium verum, Norway, Sørkedalen, Svartorsætra, 27.vi.2017 © Hallvard Elven: gall
Galium verum, Norway, Gressholmen, 1.vii.2020 © Hallvard Elven: gall
Galium verum, Norway, Gressholmen, 1.vii.2020 © Hallvard Elven: gall
Galium verum, Norway, Hvasser, Krukehavn, 15.vi.2019 © Hallvard Elven: larva
Galium verum, Norway, Gressholmen, 1.vii.2020 © Hallvard Elven: larva

Galium saxatile, Belgium, prov. Liège, Elsenborn; © Jean-Yves Baugnée

Galium verum, Belgium, prov. Luxembourg, Resteigne, Les Pairées; © Jean-Yves Baugnée
gall
Larvae reddish-yellow, each in a gall-chamber of its own; several generations per year. Pupation and hibernation in the soil.
host plants
Rubiaceae, monophagous
Galium album, anisophyllon, aparine, aristatum, boreale, broterianum, debile, divaricatum, intermedium, kitabelianum, lucidum & subsp. cinereum + fruticescens, megalospermum, mollugo, obliquum, palustre, pumilum, saxatile, sylvaticum, uliginosum, verrucosum, verum.
synonyms
Cecidomyia, Perrisia, galii.
parasitoids, predators
notes
the ontogeny of the very first stages of the gall is described by Rohfritsch (2011a).
references
Béguinot (2001c, 2002e,h, 2003a,b, 2006a, 2007a,b, 2012a), Bellmann (2012a), Blanes-Dalmau, Caballero-López & Pujade-Villar (2017a), Bruun (2015a), Buhr (1964b), Burton, Ellis & Schneider (2022a), Cerasa (2015a), Chinery (2011a), Cogolludo (1921a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Deckert & Deckert (2016a), Flügel (2016a), Gagné (2010a)m de Vere Graham & Gijswijt (1998a), Hellrigl (2006a), Houard (1909a), Koops (2013a), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon & Romain (2009a), Lambinon, Schneider & Feitz (2001b), Lehmann & Hannover (2016a), Löw (1888a), O’Connor & Wistow (1999a), Redfern & Shirley (2011a), Rohfritsch (2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Sánchez, Skuhravá & Skuhravý (2012a), Simova-Tošić &a Skuhravá (2001a), Simova-Tošić, Skuhravá & Skuhravý (1996a, 2000a, 2004a, 2007a), Simova-Tošić, Skuhravá, Skuhravý & Postolovski (2007a), Skrzypczyńska (2007a), Skuhravá (2006a), Skuhravá & Skuhravý (1988a, 1992b, 1994a,b, 1997a,b, 1999a,b, 2002a, 2003a, 2005b,c, 2006a, 2007a, 2008a, 2009a,b, 2010a,b, 2012a, 2021a: 117), Skuhravá, Skuhravý, Blasco-Zumeta & Pujade-Villar (2006a), Skuhravá, Skuhravý & Buhr (2013a), Skuhravá, Skuhravý & Carbonnelle (2017a), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý, Dončev & Dimitrova (1991a, 1992a), Skuhravá, Skuhravý & Hellrigl (2001a), Skuhravá, Skuhravý & Jørgensen (2006a), Skuhravá, Skuhravý & Massa (2007a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a). Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a), Stănescu (2009a), Sylvén (1960a, 1983a), Tavares (1905a), Tomasi (2012a, 2014a).