228 Phoridae. 



rubicunda moderately long, but this species is 



easily known by the thickened costa) 49. 



45. Male abdomen with long, stubby hairs 46. 



— Male abdomen without such hairs 47. 



46. Hind tibiæ in male simple; supraantennal bristles 



quite equal 118. rufipes Meig. 



— Hind tibiæ in male cm-ious, with the lower dorsal 

 third apparently cut away ; supraantennal bristles 



unequal 119. hirtiventris Wood. 



47. Hind tibiæ in male as in hirtiventris, costa not 

 reaching to the middle, 1 about thrice as long as 



2; femora with long hairs below the basal half . . 120. albidohalteris Felt. 



— Hind tibiæ in male simple; costa reaching to the 

 middle or beyond, 1 at most double 2 ; hairs below 



hind femora shorter 48. 



48. Thorax reddish (only male known) 121. rubescens Wood. 



— Thorax black 123. nudiventris Wood. 



49. Costa a little thickened; reddish species (only 



male known) 122. rubicunda Lundbk. 



— Costa not thickened; black species (only fuli- 



caria sometimes with a paler thorax) 50. 



50. Hypopygium large, as large as sixth segment 



(only male known) 124. similata Lundbk. 



— Hypopygium smaller 51. 



51. Fork very long, angle acute (only female known) . 126. longifurca hunåhk. 



— Fork not extremely long 52. 



52. Costa generally not much beyond the middle; 



abdominal tergites in female normal 125. pulicaria Fall. 



— Costa long, reaching much beyond the middle or 

 one of the abdominal tergites in female abbrevi- 



ated or unchitinized 53. 



53. Costa long, reaching much beyond the middle; 

 abdominal tergites in female normal 54. 



— Costa generally shorter; one of the abdominal 



tergites in female abbreviated or unchitinized 55. 



54. Wings of normal length, costa 0,55—0,60 of the 



wing-length 127. longicostalis Wood. 



— Wings somewhat small, costa 0,66 of the wing- 

 length (only female known) 128. brevipennis Jjxaiåhk. 



55. Third abdominal tergite abbreviated (only female 



known) 129. breviterga Lundbk. 



— Fourth abdominal tergite quite unchitinized zonata Zett. 



Group VII. 



Scutellum with two bristles. 

 Mesopleura bare. 

 Costa short. 

 1 . Costal cilia short 2. 



— Costal cilia long 20. 



