Janetiella lemeei (Kieffer, 1904)

on Ulmus

Ulmus spec., Hungary, Halászi, 3.vi.2016 © László Érsek

detail op the upper side of the leaf

underside

upper side of another leaf

detail

Ulmus glabra, Belgium, East Flanders, Geraardsbergen, Moerbekebos @ Bart Uitterhaegen

same leaf, underside

detail of the upper side

detail of the underside

gall

Galls, mostly in a group, usually on the thick leaf veins, less often the petiole or even a young twig. They consist of a weak bulge at one side, and a short broad tube at the other side. Ech gall houses a yellow larva. Univoltine, hibernation in the ground.

host plants

Ulmaceae, monophagous

Ulmus glabra, laevis, minor.

larva

prosternum with spatula (from Möhn, 1955a)

synonyms

Oligotrophus lemeei. The much used spelling J. lemei is incorrect (Gagné, 2010a).

references

Barnes (1951a), Béguinot (2006c), Bruun (2015a), Buhr (1965a), Chinery (2011a), Cilbircioğlu & Ünal (2009a), Dauphin & Aniotsbehere (1997a), Gagné (2010a), Houard (1908a), Ilie & Marinescu (2011a), Lambinon Schneider & Feitz (2012a), Mohn (1955a), 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, Bayram, Çam ao (2005a), Skuhravá & Skuhravý (1988a, 1994a, 1997b, 1999a, 2008a, 2021a: 290), Skuhravá, Skuhravý, Blasco-Zumeta & Pujade-Villar (2006a), Skuhravá, Skuhravý, Dončev & Dimitrova (1991a, 1992a), Skuhravá, Skuhravý & Jørgensen (2006a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a), Tomasi (2003a, 2014a), Unal & Akkuzu (2009a).