2/6 



MAINE AGRICUI.TURAL EXPERIMEXT STATION. I909. 



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

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



'Jg- 74 

 75 



••' 76 

 77 



•• 78 



" 79 



•' 80 



" 81 



" 82 



" 84 



" 85 



" 86 



" 87 



" 88 



"■ 89 



" 90 



"■ 91 



Fi.e. 



92 



93 

 94 

 95 

 96 



97 

 98 



99 

 100 



lOI 



102 

 103 

 104 

 105 

 106 

 107 



Plate. 

 Hesperinus brevifrons. 

 Bolitophila cinerea. 



"' disjuncta. 



]\Iycetobia divergens. 

 Palaeoplatyura johnsoni. 

 ^lycetophaetus (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. 

 ]\Iacrocera 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. ^'entral aspect. 



" ' inops. A'entral aspect. 

 " fascipennis, var. sagax. A'entral aspect. 



" setiger. Lateral aspect. 



" subterminalis. Ventral aspect. 



" scapularis. Ventral aspect. 



" moesta. Ventral aspect. , .;, 



♦' " subterminalis, var. nexilis. Ventral aspect. 



