120 Claude Fuller 



CC. Clypeus not particoloiired, yellow or ochraceous. 

 D. Gense narrower below eyes than at articula- 

 tions of mandibles; vertex of head somewhat 

 flatly arched; meso. and meta. bdlobed, meta. 

 almost as deeply incised as meso. 

 e. Clypeus almost as long as half its width 

 (19:40); front margin almost straight. 

 Antennae XVI. and XVII., usually XVI., 

 III. plainly longer than II., (10:6). 

 F.W. 19 to 21. 



trinervoides Sj. 

 ee. Clypeus not almost as long as half its 

 width, (17:41)); front margin flatly in- 

 curvate. Antennae XV., XVI. and XVII., 

 (86 % XVI.), when XVI. and XVII., HI. 

 a little longer than II. (10:8 or 10:7). 

 F W. 20 to 22. Meso. and meta. wider than 

 with trinervoides. Pro. a somewhat bronzy 

 yellow and darker in regions of anterior 

 corners. 



trinerviformis Holmg. 



DD. Gense as wide below eyes as at articulations 



of mandibles; vertex of head roundly arched; 



meso. and meta. broadly indented, processes 



flatly rounded; meta. shallowly indented. 



e. Clypeus as long or longer than| half its 



width. Meta. incurvate. Antennae XV., 



XVJ, XVII, usually XVI; when XVI., 



III. shorter than II. (8*9); F.w. 19*7 



to 21^5. 



gemellus Sj. 

 ee. Clypeus not as long as half its width, 

 Meta. incurvate or incised. Antennae and 

 wings as with trinerviformis; except that, 

 in XVI. and XVII. expressions. III. may 

 not be longer than II. 



havilandi sp. n. 



AA. Ventral sternites without brown patches around lateral 



pores, Tergites of abdomen yellow with brown patches 



around lateral pores. Forewings between 16 and 19. 



Span between 35 and 41*5 Wings various. 



B. Genae plainly constricted below eyes and distinctly 



narrower there than at articulations of mandibles. 



Clypeus very short; not longer tJian one-third of 



its width; front margin deeply incurvate. H.W. 



• 9 to • 96, across eyes 1 • 37 to 1 • 39. Wings pallid 



yellowish without subcostal streak. F.W. 16 to 



18 X 5. Antennae XV., III. longer than II. (9:6).. 



Meso. very shortly bilobed, meta. shallowly incised. 



umzvnduzii sp. n. 

 BB. Genae not plainly consti'icted below eyes. 



C. Meso. broadly incised, meta. bilobed and sottne- 

 what deeply incised. 



Gense slightly narrower below eyes than at 

 articulations of mandibles. Clypeus short not 

 almost as long as half its width (17:38). H.W. 

 1 • 12, across eyes 1 : 67. Wings yellow with 



