11 



at the disc, the lateral margins of the blackish area outwardly curved 

 and narrowly black. Meso thorax black, muscle lobes prominent. Meta 

 -thorax black. Abdomen oblong; the dorsum shiny black; the sides ye- 

 llow, with a row of four large black spots; the ventre dark brown, with 

 a transverse black band on each segment. Cornicles black, cylidrical. 

 slender, more than two third as long as body, very slightly curved at 

 tip, clothed with numerous hairs, Cauda slightly curved outwards. 

 Legs moderate in size, mostly dark brown, more than the distal half 

 of femora, tips of tibiae, and tarsi black, hairy. Wings ample, kept 

 vertically when at rest; insertions dark brown; stigma black, wide and 

 short; veins black, excepting of subcosta dark brown; second oblique 

 vein arising near the first and strongly curved outwards at the apical 

 third; cubital vein somewhat parallel to the second oblique vein, but 

 obsolete at the base; inframarginal cell larger than the others. Hooklets 

 on hind wings four. 



B. Apterous viviparous female. 



Length of body 2.88 m. m. 



Greatest width of abdomen • 1.70 p 



Length of antenna 1.89' & 



Length of cornicle • 1.10 ? 



Length of fore-leg.. 1.56 ? 



Length of mid-leg 1.88 ? 



Length of hind-leg 2.48 ? 



General colour black, shiny. Body much swollen, nearly round, but 

 ventral surfase flat. Head small, much longer than width, paler; 

 vertex flat. Eyes large, bright red; supplementary eyes prominent. 

 Rostrum thick and long, reaching to the third coxae, pale yellowish 



