628 MEDICAL ENTOMOLOGY 



Third segment of palp prolonged in the middle line and re- 

 curved imvards , . . . . , . . concinna. 



(France ; Germany ; Austria.) 



3. Coxa IV with a spur as long or nearly as long as the coxa . punctata. 



(British Isles; Europe; Egypt ; Algeria ; Japan.) 

 Coxa IV either without a spur or with a short one 4 



4. Third segment of palp without spurs . . papuana. 



(New Guinea ; Queensland.) 



Third segment of palp with one or two retrograde spurs .... 5 



5* Scutum without lateral groove ; third article of palp with a 



small spur on its posterior border ..... hirman iac. 



(Burma ; Sumatra ; Borneo ; China ; Japan.) 

 Scutum with a lateral groove .......... 6 



6. Coxae II, III and IV with one spur ........ 7 



Coxae II, III and IV without spurs . . . . . aculeata. 



(East Indies.) 



7. Third segment of palp with unequal spurs ; hypostome with 



ten to twelve rows of teeth ...,,.. neumanni. 



(Ceylon ; Japan.) 

 Third segment of palp with sub-equal dorsal and ventral spurs ; 



hypostome with eight rows of teeth , , . parmala. 



(Cameroons.) 



8. Palps much longer than broad, a little broader on their 



posterior than their anterior borders ..... leporis. 



(United States ; Mexico ; Brazil ; Argentine.) 

 Palps broader or nearly as broad as long, much broader on 



their posterior borders than on their anterior ...... 9 



9. Second segment of palp not prolonged on the posterior border . . . 10 

 Second segment of palp with one or two retrograde humps on 



the posterior border .......... 14 



10. Coxa IV with a short spur | | 



Coxa IV with a very long spur . . . . . . . . .13 



11. Scutum without a lateral groove simplex. 



(Madagascar. ) 

 Scutum with a lateral groove . . . . . . . . . . 12 



12. Scutum with very fine scattered punctations, nearly obsolete . flava. 



(South India ; Ceylon; Japan.) 

 Scutum with very visible punctations close together . . iiumidiana. 



(Algeria.) 



13. Coxa IV with a simple spur ; third article of palp with one 



ventral spur ...,,,,... flava armat a. 



(Japan.) 



Coxa IV with two contiguous spurs, the external the shorter ; 

 third article of the palp with one ventral and one external 



spur cornigera, 



(Borneo; Sumatra; Java.) 



14. Coxa IV with a spur as long as the coxa , . . . . ...... 15 



, Coxa IV with a shaft spur . . . . . . . ... 16 



15. Scutum as long as the body ; hypostome with ten rows of 



teeth . . . . . . . , , , t , spinigera. 



(India, West Coast ; Ceylon.) 



