1919.] 113 



5. Sides of thorax subang-ulate, widest a little behind apex, thence narrowed 



to base ; 2iid and urd joints of antennae not longer tlian broad. 



1. IsiSTKiA Lew. 



Sides of thorax rounded, widest a little before middle ; 2nd and oid joints 

 of anteninae elongate 2. Sosthenks Champ. 



6. Prothorax feebly narrowed towards base, the sides sharpl}' denticulate ; 



elytra with confused lines of punctures. 



4. LrssoDK.MA Curt. 



Prothorax strongly narrowed towards base, the sides obtusely crenulate ; 

 elytra strongly striate-punctate 4a. Stenolissodema Desbr. 



7. Antennae evidently 11 -jointed, 1st joint large and inflated 8. 



Antennae apparently 10-jointed, 1st joint small and concealed, 2nd joint 



large 7. Lanthanus Champ. 



8. Rostrum not longer than wide : marginal line of thorax irregular. 



5. PiATYLISSODiaiA, UOV. 



Rostrum much longer than wide ; marginal line of thorax more or less 

 regular 6. Platysalpingus, no v. 



9. Thorax denticulate or tuberculate at sides 10. 



Thorax not denticulate or tuberculate at sides 13. 



10. Head not rostrate, almost rounded in front of eyes. 



8. Platamops Reitt. 



Head with short stout rostrum, clypeus broadly truncate in front. .11. 



11. Thorax sharply denticulate at sides ; body glabrous. 



9. Salpidema Alt. 



Thorax tuberculate rather than denticulate at sides ; body with long erect 

 hairs 12. 



12. Thorax with broad median depression, truncate in front ; eyes not con- 



tiguous with anterior margin of thorax . . 10. Notosalpingus Blackb. 

 Thorax evenly convex, feebly rounded in front ; eyes touching anterior 

 margin of thorax 11. Trichosphaeriestes, nov. 



13. Rostrum short, wider than long 14. 



Rostrum at least as long as wide, often much longer 20. 



14. Body apterous ; penultimate tarsal joint small. 



12. PooPHYLAX Champ. 



Body winged 15. 



15. Hind femora and tibiae incrassate, at least in c?; body hairy. 



13. Oncosalpingus, nov. 



Hind femora and tibiae simple ; body usually glabrous * ........ 16. 



16. Head narrowed from eye to front of cljpeus; dorso-lateral carina straight. 



17. 



Head widened in front of antennae ; dorso-lateral carina sinuate . . , .18. 



17. Elytral epipleura distinct to apex ; last 4 (or 6) joints of antennae 



thickened. 14. SPHAERiESTES'Steph. 



Elytral epipleura disappearing at about middle ; last 3 (or 4) joints of 

 antennae thickened 15. Salpingellus Reitt. 



18. Antennal grooves extending to eyes 19. 



Antennal grooves not reaching eyes 18. CoLPOSis Muls. 



Some exotic species described as Salpingua have a sparse pubescence. 



