NEMATOCERA. 



7i 



C. Tornatella, Bremi. 

 The larvae produce smooth light green, nearly cylindrical one- 

 celled galls, on the top leaves of Eagiis sylvatica^ one larva in each 

 gall, in which it pupates. Ima^o unknown, Fig. 12 (i). 



Fig. 12.— Galls produced by some Cecidomyidre. — i. C. Tornatdla on Fagus 

 sylvatica ; 2. C. bursaria on Glechonia ; 3. C. ulma7-ia — a = under-surface ; 

 b = upper-surface; 4. C. marginenitorqiiens on Salix viminalis : 5. C, 

 Veronictz on Veronica, sp. ; 6. C. Fraxitzi. 



