160 



Characters of the European Dipt era, 



61. Le'ptis. Antennce, third joint conic, 

 with an apical seta (see ^g. 49. a). 

 Ocelli 3, vertical. 



52. A'therix. AnfcnncB, third joint ovate, 



with a dorsal seta. 



53. Clino'cera. AnteniKSy third joint 



conic, with an apical seta. Ocelli 3, 

 frontal. 



I^ptis distigma (male). 



Fam. V. XYLO'TOM^. (/g. 49.) 

 AntenncB porrect, approximating at the base, triarticulate ; third joint not 

 ringed. Proboscis retracted. Ocelli 3. Abdomen with 7 segments, conic, 

 Halteres naked. Wings divaricate. Onychii 2. 

 54. ThereVa. 



49 



M^das lusilanicus. 



Fam. VT. MYDA^ SII. (Jig. 50.) 

 AntenncB porrect, 5-jointed, the joints dissimilar, the last clavate 



55. My'das. 



Fam. VII. ^OMBYLIA^RII. (/g.51.) 

 AntenncB porrect, triarticulate, third joint not 

 ringed. Hypostoma ( " The region of the 

 head between the antennae, eyes, and 

 mouth." Meigen), not bearded. Frons 

 flat. Ocelli 3. Abdomen with 7 segments, 

 cylindric or elliptic. Wi7igs expanded. 

 Halteres naked. 



56. HiRMONEU^RA. J72^£'ww^, joints globose, 



third with a long terminal style. Ocelli, 

 frontal one remote from the other 

 two. Proboscis concealed. 



57. Falle^nia. AntenncB, ]oints globose, third with a Ion 



Proboscis elongate, bent under the body. 



58. Sty'gia. AntenncB contiguous, basal joint with the apex dilated, third 



with a terminal style. Proboscis concealed. 



59. i^^NTHRAX. AntenncB distant, basal joint cylindric. Proboscis re- 



tracted or sub-exserted. Eyes reniform. 



60. iWu^Lio. Antenna; distant. Proboscis exserted, horizontal, as long as 



the head. Eyes elliptic. 



61. ^omby'lius. Jw^t'7mce contiguous, third joint compressed. Proboscis 



exserted, horizontal, longer than head. Body wooWy. Abdomen ovate. 



62. Phthi'ria. AntenncB contiguous ; third joint fusiform, compressed. 



Proboscis exserted, horizontal, longer than the head. Body downy. 

 Abdomen cylindric or flat. 



63. Ge^ron. Antennce contiguous; third joint subulate (or awl-shaped). 



Proboscis exserted, horizontal, longer than the head. 

 64 U^siA. AntenncB contiguous ; third joint fusiform, obtuse. Proboscis 

 exserted, horizontal. Body villose. 



jSombylius cruciatus (male). 



terminal style. 



