PLATE LXXI. 



Typhlocyba ulmi. (Page 136.) 



Fig. 1. — Imago of the female. 



Fig. 1 a. — Penis, with its dilated channel and its 

 tentacular extremity. 



Fig. 1 h. — The profile view of the terminal segment. 



Typhlocyba gratiosa. (Page 137.) 

 Fig. 2. — Imago. The wing veining is very delicate. 



Typhlocyba Douglasi. (Page 137.) 



Fig. 3. — The venation is generally obscm^e, particu- 

 larly on the elytra. 



Typhlocyba pygm^a. (Page 138.) 



Fig. 4. — The imago of the male. The genitalia, 

 with the almost transparent theca, are peculiar in 

 form. 



Fig. 4 a. — Head, showing the unspotted frons and 

 the greyish clypeus ; and the antennae with dilated 

 basal joints. 



