174 Aiinals Efitomological Society of America [Vol. VI, 



4. Wings slender, acute at tips; hind pair with a pale apical streak 



karrooanus Per. 



Wings broader, not acute; hind pair without apical streak; several isolated 



pale spots vceltzkowi Weele 



5. Vertex dark or blackish, legs wholly black 6. 



Vertex pale, with a median dark stripe, or at least outlined by pale spots. .26. 



6. A large spot at or near the cubital fork in the hind wings 16. 



No spot near cubital fork in hind wings, the base being all pale 7. 



7. In hind wings the dark extends along the costa to base 8. 



In hind wings the dark does not extend to base, at most some isolated dark 



marks 10. 



8. Fore wings with large pale space in the middle, wings rather slender 



ovampoanus Per. 

 Fore wings without a large pale space in middle 9. 



9. Both wings with pale post-stigmal bands spectrum Rbv. 



These bands broken into spots rothschildi Weele 



10. Fore-wings dark, with black bands; hind wings with nearly two-thirds 



black with small white spots; expanse over 100 millimeters 



obscuripennis Sch. 

 Fore- wings yellowish or hyaline in pale areas 11. 



11. The subcosta of fore wings thickened near the stigma, wings yellow with 



dark bands, hind wings very broad luteus Thunb. 



The subcosta of fore wings not thickened 12. 



12. Median band of hind wings does not reach up to the radius, but from middle 



of wing behind in form of three spots contaminatus Hag. 



Median band of hind wings reaches across the wing from radius to hind 

 margin '13. 



13. Apex of fore-wings dark with a distinct pale band before it 14. 



Apex without such marks 15. 



14. Dark baijds of hind wings not connected flavofasciatus McLach. 



Dark bands of hind wings connected .compositus Navas. 



15. Fore and hind wings with apical marks in the form of longitudinal streaks. . 



elegantulus Per. 

 These marks not in the form of streaks, but band or spots festivus Gerst. 



16. Small very broad-winged species; greatest breadth of the hind wings much 



beyond the middle; basal band of the fore wings reaches to the hind margin. 



translatus Walk. 



Larger; wings more slender; greatest breadth of hind wings at middle of 



length or before .17. 



17. Hind wings with the stigmal band broad and in front in two parts; wings 



not yellowish; basal band of hind wings nearly across, or in two nearly 



connected spots cataracts Per. 



Hind wings with the stigmal band entire on the front margin 18. 



18. Abdomen pale yellowish red; wings yellowish brown; small species; bands 



of hind wings narrow, apical mark in form of two stresLk?,. .bifasciatus Oliv. 

 Abdomen pale on base, darker toward tip ". . 19. 



19. Pronotum with yellow each side; fore wings often more or less yellowish, and 



the median and stigmal bands often only spots with dark borders; thorax 



very hairy, not showing the pale spots, male appendages very short . . .21. 



Pronotum with two yellowish spots on front margin (maybe connected); 



pale median spots on thorax visible 20. 



20. Few spots between stigmal and median bands in fore wings; apical mark in 



form of streaks damarensis McL. 



Many spots between bands; apical mark not in form of streaks. .formosus Bks. 



21. Bands of hind wings connected together; apical mark of hind wings encloses 



but one pale spot stuhlmanni Kolb. 



Bands of hind wings separate 22. 



22. In fore wings the small basal spots are arranged so as to leave two clear 



longitudinal streakg; stigmal and median bands of hind wings reach across 

 with two or three fingers each; sides of pronotum more narrowly yellow. 



digitatus Gerst. 



Basal spots of fore wings not arranged to leave clear spaces; sides of pronotum 



broadly yellow 23. 



