Contarinia coryli (Kaltenbach, 1859)
on Corylus
Corylus avellana, Norway, Ellingsrud, 10.ix.2020 © Hallvard Elven: female
Corylus avellana, Norway, Ellingsrud, 10.ix.2020 © Hallvard Elven: female
Corylus avellana, Norway, Ellingsrudåsen, 25.x.2019 © Hallvard Elven: gall
Corylus avellana, Norway, Ellingsrudåsen, 25.x.2019 © Hallvard Elven: gall
Corylus avellana, Norway, Ellingsrud, 10.ix.2020 © Hallvard Elven: gall
Corylus avellana, Norway, Ellingsrudåsen, 25.x.2019 © Hallvard Elven: larva
Corylus avellana, Norway, Ellingsrud, 10.ix.2020 © Hallvard Elven: larva
Corylus avellana, Norway, Ellingsrud, 10.ix.2020 © Hallvard Elven: male
Corylus avellana, Norway, Ellingsrud, 10.ix.2020 © Hallvard Elven: male
Corylus avellana, Flevoland, Reve-Abbertbos © Hans Jonkman: the galled catkins are strongly swollen and the scales are enlarged.
the base of the scales is browned by the external digestion of the larvae
the larvae are gregarious
Corylus avellana, België, prov Namen, Nismes, RN les Abannets © Stéphane Claerebout
larva, with the large anal papillae that are characteristic for Contarinia
larva, about to jump
Corylus avellana, België, prov. Namen, Yvoir, Tricointe © Jean-Yves Baugnée
larva
Corylus avellana, Loenen (Ge) © Arnold Grosscurt: location of the larva in tha gall (arrow)
same larva, dissected out
the catkin scales are killed from the basis outwards
also the axis of the catkin is killed
gall
The larva is white, jumping; usually three or four in a catkin. Locally, the green catkin scales are turned brown of black at their base. Univoltine; full grown larvae hibernate in the soil.
host plants
Betulaceae, monophagous
Corylus avellana, maxina.
synonyms
Contarinia corylina (Löw, 1878).
notes
Only by inspecting the catkins for the presence of larvae or mites this gall can be distinguished from the one of Phyllocoptruta coryli.
inquilines
Dasineura, Stictodiplosis, corylina.
references
Barnes (1951a), Béguinot (2002a,d,g, 2006a,c, 2007b), Bellido, Ros-Farré & Pujade-Villar (2003a), Blanes-Dalmau, Caballero-López & Pujade-Villar (2017a), Bruun (2015a), Buhr (1964b), Chinery (2011a), Cilbircioğlu & Ünal (2009a), Cogolludo (1921a), Dauphin & Aniotsbehere (1997a), Flügel (2016a), Gagné (2010a), Hellrigl (2010a), Houard (1908a), Ilie & Marinescu (2011a), Lambinon, Carbonnelle & Claerebout (2015a), Lehmann & Hannover (2016a), Nijveldt (1987a), Pellizzari (2010a), Redfern & Shirley (2011a), Roques, Cleary, Matsiakh & Eschem (2017a), Roskam (2009a), Roskam & Carbonnelle (2015a), Schneider (2016a), Simova-Tošić & Skuhravá (2001a), Simova-Tošić, Skuhravá & Skuhravý (1996a, 2000a, 2004a, 2007a), Simova-Tošić, Skuhravá, Skuhravý & Postolovski (2007a), Skuhravá (2006a), Skuhravá, Bayram, Çam ao (2005a), Skuhravá & Skuhravý (1988a, 1994a, 1997a, 1999a,b, 2021a: 84), 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 & Jørgensen (2006a), Skuhravá, Skuhravý & Massa (2007a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a), Sylvén (1983a), Tomasi (2003a, 2014a), Unal & Akkuzu (2009a).