516 MEDICAL ENTOMOLOGY 



Hypostome with six rows of teeth ; coxa IV with a short spur . varium 



(Brazil; Para; Argentine./ 



53. Scutum with marginal groove complete, contouring the pos- 



terior border ....... . . . . . . . . . 54 



Scutum without marginal groove, or only formed of puncta- 



tions, not contouring the posterior border . .. , , syl vatic um. 



(Cape of Good Hope.) 



54. Palps short ; coxa IV with a long spur . -. . ' '- . parvitarsum 



(Bolivia ; Chili.) 

 Palps long ; coxa IV with a short spur .. . .. .. .. variegatum. 



(Abyssinia ; German East Africa ; Zanzibar ; Madagascar ; Reunion ; Angola ; 

 Congo ; Togo Land ; Benin ; Ivory Coast ; Senegal ; Antigna ; Guatemala.) 



FEMALES 



1 . Eyes flat not prominent ........... 2 



Eyes spherical, prominent and orbicular or sub-orbicular . . . .57 



2. Coxa I with two spurs ........... 53 



Coxa I with one spur ........... 56 



3. Coxa I with unequal spurs .......... 4 



Coxa I with equal or sub-equal spurs ........ 22 



4. Scutum as broad or not as broad as long . . . . . . ... 5 



Scutum much longer than broad . . , . . . . . .21 



5. Scutum as broad as long . . . . . . . . .... 6 



Scutum much broader than long ..,,,.. . . 18 



6. Scutum triangular ............ 7 



Scutum cordiform, postero-lateral borders convex 11 



7. Scutum of medium size (2 to 3 '5 mm. long) 8 



Scutum very large (5 mm. long) with confluent punctations in 



the scapular angles ........ crenatum. 



8. Scutum brown or marked with lighter spots . . . . . . .9 



Scutum yellow with dark spots distinctum 



(Ceylon.) 



9. Eyes towards the anterior fourth of the scutum . . . . . .10 



Eyes at plane of, or behind anterior third of scutum ; a whitish % 



spot in the posterior angle . . . . . . . americanum. 



10. Coxa I with spurs much longer than broad, legs slender . . cajennense 

 Coxa I with spurs, the internal as broad as long, legs thick 



and strong .......... hebraeum. 



11. Scutum medium size (2 to 3'5 mm., long) ..... . . . 12 



Scutum very broad (5 mm. long) . . . . . . . . .17 



12. Hypostome with eight rows of teeth ..... . . . . . 13 



Hypostome with six rows of teeth ...... decoratum 



13. Coxae II, III, and IV with or without one spur 14 



Coxa II with two tuberosities acutangulatum. 



(Island of Veti-Leon.) 



14. Coxae II, III, and IV with one spur . . . . . .. ---.. ' 15 



Coxae II and III without spurs (Africa) . . . *. . tholloni. 



15. Porose areas with prominent borders, and as large as the eyes, triguttatum. 

 Porose areas without prominent borders, smaller than eyes ... .. . 16 



16 Scutum without spots, lateral grooves fine, and formed of 



punctations . australiense. 



