NEMATOCERA. rt 
C. Tornatella, Bremi. 
The larve produce smooth light green, nearly cylindrical one- 
celled galls, on the top leaves of Fagus sylvatica, one larva in each 
gall, in which it pupates. Zmago unknown, Fig. 12 (1). 
Fic. 12.—Galls produced by some Cecidomyide.—1. C. Zornatella on Fagus 
sylvatica ; 2. C. bursaria on Glechoma; 3. C. ulmaria—a=under-surface ; 
b=uppersurface; 4. C. marginemtorquens on Salix viminalis: 5. 
Veronica on Veronica, sp. ; 6. C. Fraxini.. 
