FAMILY PHORID.E 241 



44. Post-antennal bristles not distinguishable from others along the an- 



terior border of the front Cataclinusa Schmitz 



Post-antennals absent 45 



45. Front bristled only at the vertex and along the upper, inner margins 



of the antennal grooves which are narrower than the space between 

 them; wings without basal transverse vein (14). 



Chonocephalus Wandolleck 

 Front narrow, only the post-antennal and pre-ocellar bristles absent. 



Melaloncha Brues 



46. Wings wholly absent or microscopic 52 



Wings distinctly developed though small 47 



* 



47. Ocelli present 48 



Ocelli absent 50 



48. Wings with trace of several veins 49 



Wings with at most the costal vein visible; halteres absent. 



Ecitophora Schmitz 



49. Proboscis geniculate or bent, distinctly elongate. 



Ecitoptera Borgmeier & Schmitz 

 Proboscis normal Commoptera Brues 



50. Wing rudiments with long bristles 51 



Wing rudiments with hairs or cilia (8, 9) Ecitomyia Brues 



51. Eyes situated well behind the front margin of the head in profile; 



halteres present, though small (17) Xanionotum Brues 



Eyes situated at the front margin of the head in profile; halteres 

 absent (20) Acontistoptera Brues 



52. Ocelli present (1, 13) Pulicophora Dahl 



Ocelli absent 53 



53. Thorax without bristles (14) Chonocephalus Wandolleck 



Thorax with bristles (16) Ecituncula Schmitz 



