South African Hi/j/tcr Mtjmlnrii ( D!/>frr Cl ijjif rt<t<>}. 499 



separated by 2 parallel black lines, 2 behind the suture, and 8 on 

 the abdomen, 2 on each segment ; in addition there is a quite lateral 

 spot on segments 2 and 3. Legs brown, trochanters and inter- 

 mediate and posterior tibiae testaceous. Frons with two vertical setae 

 on each side ; 1 pair of well- developed ocellary setae. Thorax with the 

 acrostical setae complete in front of the suture ; 3 long dorso-central 

 setae ; sternopleural setae 2 + 1, the antero-iiiferior piliform. Scutellum 

 with 1 lateral seta and 1 long and diverging subapical ; no apical setae. 

 Abdomen : segment 1 very thick at the back of the moderately deep 

 excavation, and with 2 median marginal setae ; segments 2 and 3 with 

 a complete marginal and 2 discoidal rows, the latter continued right 

 and left by smaller and weaker setae set in a regular line. 



Length 3 mm. 



1 2 , Cape Colony (George), S. Afric. Museum. 



THELAIROSOMA, n. gen. 

 Fig. 6. 



Same shape as Thelaira; head nearly similar. Differs : (1) by the 

 absence of discal setae oil the abdomen ; (2) the naked 1st nervure of 

 the wings ; (3) the presence of 2 + 1 sternopleural setae. 



FIG. 6. <?. 



