April, '05] ENTOMOLOGICAL NEWS. IO9 



TABLE TO THE SPECIES. 



1. Mesonotum black 9 



Mesonotum yellow 2 



2. Antennae wholly yellow 3 



Antenna? not wholly yellow 6 



3. Mesonotum vittate 4 



Mesonotum not vittate mitis Will. 



4. Eyes pilose 5 



Eyes bare nuda n. sp. 



5. Scutellum triangular triangularis Will. 



Scutellum oval ovalis n. sp. 



6. Antennae wholly black virgata Coq. 



Antennae not wholly black 7 



7. Scutellum black dorsalis Loew. 



Scutellum luteous or yellow 8 



8. Mesonotum with four vittae quadrilineata Will. 



Mesonotum with three vittae dorsata Loew. 



Mesonotum not vittate minor n. sp. 



9. Legs wholly yellow 10 



Legs not wholly yellow 14 



10. Abdomen wholly black 11 



Abdomen not wholly black 12 



11. Third and fourth veins moderately divergent nmbrosa Loew. 



Third and fourth veins nearly parallel atriceps Loew. 



12. Base of dorsum of abdomen yellowish 13 



Base of dorsum of abdomen black apicalis Will. 



13. Face blackish pallipes Loew. 



Face yellow COllusor Town. 



14. Antennae wholly yellow flaviceps Loew. 



Antennae not wholly yellow 15 



15. Venter of abdomen yellow 16 



Venter of abdomen black 18 



Venter of abdomen variegated minor n. sp. 



16. Mesonotum bisulcate subvittata Loew. 



Mesonotum trisulcate trisulcata n. sp. 



Mesonotum without sulcse 17 



17. Sides of mesonotum and pleura reddish yellow . . . pectoralis Coq. 

 Sides of mesonotum and pleura black obscnra Coq. 



18. Mesonotum shinmg . . 19 



Mesonotum at least subopaque, more or less poilinose 22 



19. Antennae wholly black 20 



Antennae not wholly black 21 



20. Femora wholly yellow . anonyma Will. 



Femora not wholly yellow variabilis Loew. 



21. Legs, except middle femora in part, yellow . . . . nndinscola Loew. 



Legs, except all femora in part, testaceous decipiens Loew 



Legs, except all femora and front tibiae in part, yellow . concinna Will. 



