Janetiella lemeei (Kieffer, 1904)

on Ulmus

Ulmus spec., hungary, Halászi © László Érsek

the upper side of the midrib is locally cartilaginous and swollen

underside

three galls

enlarged

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.

hostplants

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), 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).