Ii6 Records oj the Indian Museum. [Voi<. IV, 



Wings with one cross-band, the first 



posterior cell open . . . . 1 1 . 



Wings with two cross-bands, the 



first posterior cell closed or very 



narrow . . . • • 12. 



11. Forehead narrowest at vertex. Ab- 



domen reddish, darker at apex, 

 with small white median spots . . optatus , Wlk. 

 Forehead narrowest anteriorly. Ab- 

 domen yellowish, darker at apex, 

 with larger white spots . . non-optatus , 11. sp. 



12. Abdomen brownish yellow, with 



broad yellow posterior bands on 

 each segment, under side yellow- 

 ish. Antennae reddish yellow, cf 

 with equal facets to eyes . . fiexitis,. Wlk. 



Abdomen brownish red with narrower 

 yellow bands, under side darker. 

 Antennae reddish yellow, black at 

 apex, cf with unequal facets to 

 eyes 



vanderwulpi , O. vS. 



Group VI. 



13. Wings dark rich brown, the discal 



cell clear. Large black species 



with orange-red pubescence on 



face and breast. Antennae red . . pratti . n. sp. 

 Smaller species similar in colouring. 



Antennae black . . . . fuscicornis, n. sp. 



Wmgs 3^ellowish or brownish, very 



distinctly tinged with brown at 



apex and on posterior border. 



Scutellum yellow or greyish . . 14. 



14. First posterior cell of wings closed or 



very narrow . . . . 15. 



First posterior cell open, not very 



narrow . . . . . . 16. 



15. Abdomen reddish brown, narrow, 



with grey tomentose bands and 



median spots. Palpi slender. 



First posterior cell closed . . ncphodes, Bigot. 



Abdomen brown with narrow gre}^ 



tomentose bands but no median 



spots. Palpi large, broad. The 



first posterior cell very narrow at 



border . . . . . . alhojasciatus, n. sp. 



Abdomen black, livid at base. 



Smaller species. First posterior 



cell closed . . . . basalts, Macq. 



