276 



Maine: agricultural experiment station. 1909. 



Cu2 = branches of the cubitus ; A = anal veins ; R-M 

 medial crossvein; M-Cu = medio-cubital crossvein. 



radio- 



Fig. 



Fis:. 



74 



75 

 76 



77 

 78 



79 

 80 

 81 

 82 



83 

 84 



85 

 86 



87 

 88 

 89 

 90 

 91 



92 



93 

 94 

 95 

 96 



97 

 98 



99 

 100 



lOI 



102 

 103 

 104 

 105 

 106 

 107 



Plate. 

 Hesperinus brevifrons. 

 Bolitophila cinerea. 



" disjuncta. 



Mycetobia divergens. 

 Palaeoplatyura johnsoni. 

 Mycetophaetus (after Scudder). 

 Ditomyia (after Winnertz). 

 Symmerus tristis. 

 Ceroplatus clausus. 

 Cerotelion bellulus. 

 Platyura moerens, male. 



" parva. 



" setiger. 

 Asindulum montanum. • 

 Apemon pectoralis. 

 Hesperodes (diagrammatic). 

 Macrocera clara. 

 Diadocidia ferruginosa. 



Plate.. 

 Magnification 65 diameters. 

 Platyura nigrita. Lateral aspect. 

 Macrocera formosa, var. indigena. Dorsal aspect. 



" geminata. Dorsal aspect. 



Platyura mendosa (female). Lateral aspect. 



" moerens. Ventral aspect. 



Apemon pectoralis. Dorsal aspect. 

 Platyura diluta. Ventral aspect, 

 mendosa. Dorsal aspect, 

 genualis. Ventral aspect, 

 inops. Ventral aspect, 

 fascipennis, var. sagax. Ventral aspect, 

 setiger. Lateral aspect, 

 subterminalis. Ventral aspect, 

 scapularis. Ventral aspect, 

 moesta. Ventral aspect, 

 subterminalis, var. nexilis. Ventral aspect. 



