258 SUPPLEMENT. 



11. Body black or deep brown, the abdomen broadly orange on the 



sides, with median black stripe or spots 12. 



Body light yellowish or brownish-red ; front and palpi very narrow. 13. 



12. Wings brownish, with conspicuous darker spots; black median 



stripe of abdomen continuous aurantiacus, Bell.* 



Wings brown, with subhy aline spaces ; median stripe of abdomen 



composed of discrete spots bifenestratus, O. S. 



13. Wings with a broad brown band evanescent distally, with two 



hyaline spots, one at the furcation of the third vein, the other 



over the posterior cross-veins caliginosus, Bell.* 



Wings with the brown band incomplete [ebrius, O. S.] 



14. Front narrow, the callosity linear and but little expanded below ; 



wings brownish 15. 



Front not unusually narrowed ; the callosity quadrilateral ... 16. 



15. Abdomen black at tip j first posterior cell narrowed bigoti, Bell. 



Abdomen red throughout ; first posterior cell closed or much 



narrowed subruber, Bell. 



16. Second submarginal cell appendiculate (see also T. lineola) . . . 17. 

 Second submarginal cell not appendiculate 18. 



17. Abdomen variegated with brown and pale reddish-yellow ... cribellum, O. S. 

 Abdomen deep brown, with a narrow whitish margin to the 



segments dilated into a small median triangle pumiloides, sp. n. 



18. Abdomen with definite white markings 20. 



Abdomen without definite white markings 19. 



19. Third antennal joint deeply excised, forming two branches, the 



upper one blunt at the tip venenatus, O. S. 



. r hamagogus, sp. n. 



Third antennal iomt not deeply excised ■?/.,-, 



J \filiolus, sp. n. 



20. Front much narrowed below; scutellum usually red at the tip; 



non-annulate portion of third joint red lineola, Fabr. 



Front but little narrowed below .21. 



21. Non-annulate portion of third joint of antennae nearly as broad as 



long; abdomen brown and red, with three series of white 



spots (Atylotus) sp. 



Non-annulate portion of third antennal joint much longer than 

 broad 22. 



22. Eyes hairy ; third antennal joint black sp. 



Eyes bare 23. 



23. Abdomen with a median, narrow, continuous white stripe . . . 24. 

 The median spots of the abdomen not forming a continuous white 



stripe sp. 



24. Basal portion of the third antennal joint black ; sides of the 



abdomen broadly red or reddish, without white markings . . furunculus, sp. n. 

 Basal portion of the third antennal joint red; sides of the abdomen 



with a continuous abbreviated white stripe ....... fur, sp. n. 



