92 Psyche [October 



between posterior crossvein and wing-tip, anal cell almost 

 equalling second basal and with rounded apex 



Strongylophthalmyia Heller 



Loxocera Meigen 



Eyes large, in profile attaining the front margin of the head, 

 with the occiput one-tenth and the cheeks one-third their 

 greatest diameter 2 



Eyes small, nearly round, not reaching the front of the head, 

 the occiput one-third and the cheeks fully as wide as their 

 greatest diameter. (Wash.*) microps, sp. nov. 



2. Wings hyaline with the tip and posterior crossvein clouded. 



{cylindrica Say) 3 



Wings uniformly brownish hyaline 4 



3. Anterior margin of the thorax, a dorsal line, humeri, and lateral 



lines, black. (N. H., Vt.. Mass., Pa., 111.,* Minn., Kans.) 



var. cylindrica Say 



Anterior margin very broad, covering at least one-third of the 



thorax, a dorsal line, short lateral lines and about one-third 



of the anterior of the pleura, black. (Me., N. H., Vt., 



Quebec,* Mass.,* Conn., N. Y.,* N. J., Mich., Kans.) 



var. pleuritica Loew 

 Dorsal line, humeri, lateral margins and the upper half of the 

 pleura, black (N. H., Vt., Mass., Pa., D. C, Va.) 



var. pectoralis Loew 



Dorsal and lateral lines (sometimes obsolete) and a spot above 



the yellow humeri, black. (Vt., Mass., Conn., N. J., Pa., 



D. C.,* Va., N. C, La.,* Tex.*). . .var. obsoleta Johnson 



4. Anterior third of the thorax black, dorsal and lateral lines 



wanting; abdomen, except the sides of the first segment, 

 black. (Me., Mass.,* Conn., N. H., N. J., Va., Wis., 



Mont.,* Idaho,* Wash., Ore.) collaris Loew 



Anterior and lateral margins and a dorsal line on the thorax, 

 black; abdomen except at the base red. (Kans., Tex., 

 Colo.*) fumipennis Coquillett 



Loxocera microps sp. nov. 



Male. Length, 5 mm. Polished testaceous variegated with 

 black. Head testaceous with a median frontal black stripe, ante- 



