Harmandiola cavernosa (Rübsaamen, 1899)
on Populus
Populus tremula, Norway, Sund, Hestvikodden, 9.vii.2021 © Hallvard Elven: female
Populus tremula, Norway, Sund, Hestvikodden, 9.vii.2021 © Hallvard Elven: female
Populus tremula, Norway, Brønnøya, Pilbogen plot 41/177, 31.v.2020 © Hallvard Elven: gall
Populus tremula, Norway, Brønnøya, Pilbogen plot 41/177, 31.v.2020 © Hallvard Elven: gall
Populus tremula, Norway, Brønnøya, Pilbogen plot 41/177, 31.v.2020 © Hallvard Elven: gall
Populus tremula, Norway, Askerøya, Kibbevik, 19.vi.2021 © Hallvard Elven: gall
Populus tremula, Norway, Askerøya, Kibbevik, 19.vi.2021 © Hallvard Elven: gall
Populus tremula, Norway, Brønnøya, Pilbogen plot 41/177, 31.v.2020 © Hallvard Elven: larva
Populus tremula, Norway, Ellingsrud, 17.vi.2022 © Hallvard Elven: larva
Populus tremula, Norway, Ellingsrud, 17.vi.2022 © Hallvard Elven: larva
Populus tremula, Norway, Sund, Hestvikodden, 9.vii.2021 © Hallvard Elven: male

Populus tremula, France, Rhône-Alpes, Haute Savoie, Bionnassay, 1320 m: underside of the leaf; © Arnold Grosscurt

the larva in the opened gall

old gall, with the slit-like opening at the upperside of the leaf
Populus tremula (from Houard, 1908a)
gall
The larvae are orange to light yellowish brown, solitary. Unvoltine; hibernation in the ground.
host plants
Salicaceae, monophagous
Populus alba, x canescens, tremula.
synonyms
Harmandia cavernosa.
references
Barnes (1951a), Béguinot (2001c, 2002h, 2003b, 2007b, 2012a), Bellmann (2012a), Buhr (1965a), Cilbircioğlu & Ünal (2009a), Cogolludo (1921a), Coulianos & Holmåsen (1991a), Dauphin & Aniotsbehere (1997a), Gagné (2010a), Hellrigl (2004b, 2006a), Houard (1908a), Kieffer (1901c), Lambinon, Carbonnelle & Claerebout (2015a), Lambinon & Romain (2009a), Lambinon, Schneider & Feitz (2001b) Lehmann & Hannover (2016a), Redfern & Shirley (2011a), Roskam (2009a) Roskam & Carbonnelle (2015a), Simova-Tošić & Skuhravá (2001a), Simova-Tošić, Skuhravá & Skuhravý (1996a, 2000a, 2004a, 2007a), Simova-Tošić, Skuhravá, Skuhravý & Postolovski (2007a), Skrzypczyńska (2007a), Skuhravá (2006a), Skuhravá, Bayram, Çam ao (2005a), Skuhravá & Skuhravý (1988a, 1994a, 1997a, 1999a,b, 2003a, 2005b,c, 2006a, 2007a, 2009a, 2010a, 2012a. 2021a: 196), 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 & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a), Skuhravý, Skuhravá & Brewer (1997a), Stănescu (2009a), Tomasi (2014a), Unal & Akkuzu (2009a), Urban (2010a).