hairs subdecnmbent ; <J with the 

 antennal joints each considerably 

 produced and rounded on their lower 

 margin, sagittsB of armature not 

 hamate at the apex .... 

 (1) 6. Thorax clothed with black hairs or 

 more or leas banded with black. 



(18) 7. (J with the posterior metatarsi fringed 

 with very short, straight, bristly 

 hairs, or with the cheeks three- 

 quarters as long as the eyes j ? 

 with the intermediate metatarsi 

 spinosely produced at the external 

 apical angle, or with the face across 

 the eyes wider than long. 



(13) 8. Apex of abdomen clothed with black, 

 yellow, brownish, or white hairs, but 

 not with red. 



(12) 9. Face across the eyes longer than wide. 



(11) 10. (J, sagittae of armature serrate be- 

 neath, posterior metatarsi clothed 

 with somewhat long hairs ; $ and 

 5 , face exceedingly elongate, tongue 

 reaching when fully extended to the 

 apex of the abdomen 



(10) 11. (J, sagittffi not serrate beneatb, pos- 

 terior metatarsi clothed with very 

 short hairs ; 5 and J , face not so 

 elongate, tongue not reaching to the 

 apex of the abdomen 

 (9) 12. Face across the eyes wider than 



long 



(8) 13. Apex of abdomen clothed with red 

 hairs. 



(15) 14. (J, face clothed with pale hairs ; ? 



and 9 with the first and second 

 abdominal segments clothed with 

 pale hairs, the third with black, the 

 apex with red ..... 



(1-t) 15. (J, face clothed with black hairs; J 

 and 5i abdomen clothed with black 

 hairs at the base, or if with pale, 

 then with no black on the third 

 segment. 



(17) 16. Hairs of posterior tibiiE red or pale 



(16) 17. Hairs of posterior tibia) black 



(7) 18. (J, posterior metatarsi fringed with 

 long hairs, cheeks not three-quarters 

 as long as the eyes ; $, intermediate 

 metatarsi not spinosely produced at 

 the exterior apical angle, face 

 longer than wide across the eyes. 



363 



Latrehlellus. 

 tebrestris. 



Derhamellus. 



FOMORUM. 



