[Reprinted from Journal of the New York Entomological Society, Vol. XXI, 

 No. 4, December, 1913.] 



A SYNOPSIS OF THE DIPTEROUS GROUPS AGRO- 

 MYZIN^, MILICHIINwS:, OCHTHIPHILIN^ 

 AND GEOMYZINiE. 



By a. L. Melander, 

 Pullman, Washington, 

 (Continued from p. 273.) 



Subfamily GEOMYZIN^. 



Table of the Genera, 



Middle of face with a pronounced tubercle; anterior fronto-orbital proclinate; 

 calypter entirely devoid of cilia ; only the root of the auxiliary vein 

 present, the costal break immediately before the end of the first vein ; 

 cheeks comprised largely of the lateral prolongations of the center of 

 the face ; mesopleurae entirely bare. (North America.) 



Sinophthaimus Coquillett. 



Face not tuberculate ; anterior fronto-orbital reclinate ; calypteres fringed with 

 cilia ; auxiliary vein weak, but usually meeting the costa some dis- 

 tance before the end of the first vein, at which place normally is 

 located the costal break ; lateral prolongations of the center of the 



face narrow ; mesopleurae often setulose or bristly 2. 



2. Cheeks narrow, less than one fourth the eye-height, the center of the face 

 broader than the cheeks at the vibrissae; arista plumose to loosely 

 pubescent, more than one and one half times the length of the antenna, 

 its basal segment long, the third antenna! joint with fine but per- 

 ceptible pubescence, especially along the front edge ; upper occiput 



283 



