802 MR. A. E. ELLIOTT ON THE 



(51.) 52. Femoral teeth unicolorous. 



(56.) 53. Femoral teeth white. 



(55.) 54. Second flagellar joint one and a half times as long as first, 

 third longer than first and second together ; mesopleurae 

 smooth above; median segment strongly punctate [Enderl. 



throughout 27. maculifemur 



(54.) 55. Second tiagellar joint twice as long as first; third only as 

 long as first and second together ; mesopleuree trans- 

 striate, median segment cribrate punctate, with elongate 

 triangular central smooth space 28. sulcatus ^Wiott. 



(53.) 56, Femoral teeth unicolorus with femora. 



(60.) 57. Neck of prothorax elongate. 



(59.) 58. Second flagellar joint one and one-third as long as first, 

 petiole longer than rest of abdomen ; second segment 

 rugulose 29. salomonisWe&tw. 



(58.) 59. Second flagellar joint fully twice as long as first ; petiole 

 slightly shorter than rest of abdomen ; 2nd segment 

 smooth 30. celehensis SzejA. 



(57.) 60. Neck of prothorax normal. 



(62.) 61. Frons irregularly rugose ; abdomen from 2nd segment finely, 



densely punctate, dull 31. szepliaetti Enderl. 



(61) 62. Frons finelj'trans-striate, abdomen from 2nd segment smooth 



and polished 32. simillimus Elliott. 



<?. 



(6.) 1. Hind femora tridentate. 



(5.) 2. Frons alutaceous, first and second flagellar joints of equal 

 length ; anterior legs yellow. 



(4.) 3. Posterior margin of head bordered ; neck finely rugose, semi- 

 annular coarsely rugose ; petiole about as long as rest of 

 abdomen ; femora finely and densely punctate . 33. similis Szupl. 



(3.) 4. Posterior margin of head simple ; pvonotum nearlj' smooth ; 

 petiole distinctly longer than rest of abdomen ; ¥emoi'a 

 smooth and scarcely punctate 34. flaviceps Elliott. 



(2.) 5. Frons rugose-punctate; second flagellar joint nearly twice 

 as long as first ; petiole nearly twice as long as rest of 

 abdomen 35. fuscinervis Cam. 



(1.) 6. Hind femora bidentate. 



(8.) 7. Petiole as long as rest of abdomen ; face and lower half of 



frons white; wings red and green iridescent ... 36. flavifrons Elliott. 



(7.) 8. Petiole distinctly longer or shorter than rest of abdomen. 

 (10.) 9. Petiole distinctly longer than rest of abdomen ; pronotumand 



femoral teeth entirely black 37. fasciatus Szepl. 



(9.) 10. Petiole distinctly shorter than rest of abdomen. 

 (12.) 11. Anterior frontal tubercle obsolete ; occiput very short ; both 



femoral teeth white ZB.jflavonotatus'ElWoii. 



(11.) 12. Anterior frontal tubercle normal ; occiput not short; posterior 



femoral tooth black... 26. riificollis Enderl. 



1, LEUCODON Kieff". 



Diastephamos leucodon KiefF. (4), p. 116, $ . 



5 . Head subglobose ; frons densely arcuate striate, vertex 

 with three transcarinte ; occiput densely trans-striate, dull ; 

 posterior margin of head produced into a short collar. Basal 

 flagellar joints normal. Neck elongate, densely striate ; semi- 

 annular coriaceous with smooth posterior margin. Mesonotum 

 and median segment coriaceous, with large, difiuse and superficial 



