134 



NORTH AMERICAN DIPTKRA. 



Fig. 40. Mycetopbilidae. I, Manota dejecta; 2, P) -obolccits singn- 

 laris, head; 3. Frobolceus singularis, wing; 4, Macrocera concinna, 

 wing; 5, Ceroplatus longimanus, wing; 6, Sciara zygoneura, wing; 

 7, Sciara americana, wing; 8, Sciara, sp., antenna; 9, Platynra ig- 

 nobilis, wing; 10, Sciophila diluta, wing; n, Neoempheria niaculi- 

 pennis, wing; 12, Phthiniafraudulenta, wing; 13, Neoglaphyroptera 

 nitens, wing; 14, Plesiastina, sp., wing; 15, Mycetophila insipiens, 

 wing; 16, Tetragoneura sylvatica, wing(Wulp); 17, Dynatosoma fus- 

 cicornis, wing (Wulp). 



bent around the eyes, and their remaining portion ap- 

 plied to the breast between the wings and the legs. The 

 pupae of not a few are enclosed in a cocoon of more or 



