PLATE XXXV. 



Idiocerus TREMULiE. (Page 116.) 



Fig. 1. — ^Imago of the female. 



Fig. 2.- — Nearly colourless imago of I. albicans. See 

 Plate XXXIV. 



Idiocerus elegans. (Page 117.) 



Fig. 3. — Imago. 



Fig. 3 a. — Female with wings closed. 



Idiocerus nubilis. (Page 118.) 



Fig. 4. — Imago with expanded wings. 

 Fig. 4 a.— Genitalia of the male, with its cornna, 

 anal process, and cauda. A side view. 



Fig. 4 5. — Hind tarsus and antennae of the same. 



Idiocerus tibialis. (Page 119.) 



Fig. 5. — Imago. 



Fig. 5a. — Frons, clypeus, &c., of the same insect. 



