22 Records of the Indian Museum. [Voi,. IV, 



of the first four segments. Tibiae 

 reddish . . . , . . signifcr, cf , Wlk. 



Brown species with the same median 

 spots, but with lateral white spots 

 on the first two segments only. 

 Tibiae white . . . . sis.nificans , n. sp. 



51, Abdomen reddish, the apex dull 



black with large black median 

 spots on the second and third seg- 

 ments . . . . . . juscomaculatus , n. sp. 



52. Frontal callus square. Small black 



species with white-haired median 

 abdominal spots. Legs blackish, 

 tibiae yellowish . . . . leucopogon, Bigot. 



Frontal callus pear-shaped. Large 

 reddish brown species, abdomen 

 with median triangular spots. 

 Legs reddish brown . . . . discrepans , n. sp. 



Croup IX. 



53. First posterior cell closed . . 54. 

 First posterior cell not closed . . 55. 



54. Large blackish species with narrow 



fulvous bands on abdomen . . scrvillei , Macq. 



55. Abdomen blackish brown, the first 



two segments covered with grey 



tomentum . . . . crassus, cf , Wlk. 



56. Forehead narrow, seven or eight 



times as long as it is broad. Fron- 

 tal callus narrow with a lineal ex- 

 tension. Black or brown species 57, 

 Forehead broader, four or five times 

 as long as it is broad. Frontal 

 callus large with a stout, broad, 

 or spindle-shaped extension . . 62. 



57. Large black or brown species 21 mm. 



in length, with very narrow pale 



bands on abdomen . . . , 58* 



Smaller blackish species, 15-17 mm, 

 in length, with whitish bands on 

 abdomen . . , . 59. 



58. Brown species. Scutellum and sides 



of thorax with pale tomentum. 

 Legs blackish, tibiae obscurely 

 reddish . . . . . . alboscutatus , Bigot. 



Black species. Scutellum and sides 

 with no such pale tomentum. Legs 

 black, tibiae yellowish white . . explicatus, Wlk. 



59. Forehead narrower anteriorly . . 60. 



