LIU. Family ANTHOMYID^. 



Fig. 135. Spilogaster, species; enlarged. 



Small to moderately large flies, often resembling the 

 common house-fly, usually non-metallic in color. Anten- 

 nal arista plumose, pubescent or bare; eyes hairy or bare; 

 males often holoptic, sometimes broadly diehoptic, the 

 females always diehoptic; abdomen composed of four or 

 five segments; the male genitalia often with subanal ap- 

 pendages; first posterior cell of wings broadly open; bris- 

 tles of body often weak; squamae usually of considera- 

 ble size. 



33i 



