TIPHIA. 57 



Type, T. femorata, Fabr. 



Mange, Both hemispheres. 



Head as wide as the thorax ; pronotum transverse anteriorly ; 

 median segment truncate posteriorly ; sides of thorax excavated ; 

 fore wing with the radial cell open at apex in 5 , closed in the c? , 

 two cubital cells each receiving a recurrent nervure ; abdomen 

 elongate oval ; basal segment narrower than the 2nd, more or less 

 constricted at the apex ; anal segment in S furnished with a 

 recurved spine. 



Key to the Species. 



A. Wings distinctly fuscoiis. Legs black. 



a. Intermediate aud posterior femora red . T. rtifo-femorata, p. 58. 



b. Intermediate and posterior femora 



black. 

 «'. Pronotum smooth or with a very 

 few scattered punctures ; both 

 wings dark fuscous, hyaline at 



base. 5 length 16-18 mm T.fumipennis, p. 58. 



V . Pronotum anteriorly closely punc- 

 tured ; fore wing darker than hind 

 wing, paler along apical margin. 



5 length 1.3 mm T. cvmpressa, p. 59. 



B Wings hyaline or davo- or fusco-hyaliue. 

 a. Legs entirely black. 



a. Intermediate and posterior femora 



red ; abdomen black T, cussiope, p. 59. 



v. Intermediate and posterior femora 

 black. 

 a^. Median segment with five longi- 

 tudinal carinse. 

 a^. CarinjB parallel : posterior mar- 

 gin of basal abdominal segment 



punctured T. flavipemiis, p. 59. 



h^. Outer two carinse on each side 

 converging posteriorly ; pos- 

 terior margin of basal abdominal 

 segment shortly longitudinally 



striolate T. lyrata, p. 60. 



b-. Median segment with three longi- 

 tudinal carinse. 

 «^. Median segment rugose. 



a'. Clypeus incised at apex .... T. incisa, p. GO. 

 6*. Olypeus produced at apex, the 



sides widely emarginate .... T. implirata, p. 61. 

 P. Median segment smooth or only 

 slightly punctured, 

 rt*. Basal and greater part of 

 2nd abdominal segment im- 



punctate T. consueta, p. 01. 



6'. Basal and 2nd abdominal seg- 

 ments more or less closely 

 punctured T. intrudens, p. 61. 



