262 



ME. W. r. KIRBY — A REVISION OF 



65. Nodal sector nearly straight or gradually curved, hardly 



■waved heyond the middle. (66.) 

 Nodal sector always waved beyond the middle, in most 

 cases considerably *39. 



66. Abdomen stout or moderately stout ; segments 2-4 dis- 



tinctlj' carinated. (67.) 

 Abdomen stout or slender ; segments 2 and 3 carinated 

 (sometimes 4 imperfectly in Celithetnis, ■which has a 

 slender abdomen). (69.) 



67. Size small ; fore wings ■with 4-6 postnodal nervures .... *15. 

 Size moderate; fore wings with 8-11 postnodal ner- 

 vures. (68.) 



08. Last antenodal nervure of fore wings continuous 29. 



Last antenodal nervure of fore wings not continuous .... 28. 



69. Pterostigma short, very broad. (70.) 



Pterostigma moderately long, not unusually broad. (71.) 



70. Abdomen moderately long, slightly thickened at the base 



and beyond the middle 18. 



Abdomen rather short, thickened at the base, and greatly 

 expanded beyond the middle 19. 



71. Subtriangnlar space on fore ■wings consisting of three or 



more cells. (72.) 

 Subtriangular space on fore wings consisting of 1 cell 

 only. (74.) 



72. Abdomen slender, triangles of fore wings traversed or 



reticulated *17. 



Abdomen stout. (73.) 



73. Abdomen not inflated at base ; triangles of fore wings 



noarl}' always free 31. 



Abdomen inflated at base ; triangles of fore wings traversed G2. 



74. Abdomen rather slender, long ; last antenodal cross ner- 



vure of fore wings not continuous 33. 



Abdomen short and broad ; last antenodal cross nervure 

 of fore wings continuous 32. 



75. Claws of the tarsi bifld, or toothed close to the tip. (76.) 

 Claws of the tarsi toothed before the tip. (77.) 



76. Last antenodal cross nervure of fore wings continuous . . 52. 

 Last antenodal cross nervure of fore wings not continuous. 57. 



77. Nodal sector distinctly waved beyond the middle. (78.) 

 Nodal sector gradually curved, or straight, not distinctly 



waved beyond the middle. (85.) 



78. Abdomen hardly thickened at base. (79.) 

 Abdomen more or less thickened at base. (81.) 



79. Wings variegated *16. 



Wings mostly hyaline. (80.) 



80. Wings long ; abdomen long, rather slender 61. 



Wings moderately long ; abdomen stout or very stout . . *44. 



Leptetrum. 



Deielia. 

 Brachymesia, 



Leucorli inia. 

 Ccenotiata. 



Europe, Asia, Ame- 

 rica. 



America. 



Sandwich Islands. 

 Australia. 



Europe, N. America. 

 Europe. 



