372 Records of the Indian Museum. [Vol. IV, 



Black, with lighter hind borders to the segments of the 

 abdomen. 



Face blackish, with grey tomentum, the tumid triangular pro- 

 jection in the middle shining red-brown ; the palpi large, flat, as long 

 as the proboscis, dark brown with black hairs. Forehead black, 

 shining, with two prominent tubercles, one situated near the an- 

 tennae, the other about in the middle of the forehead, neither 

 reaching the sides ; vertex reddish ; the yellow ocelli are placed on 

 a brownish, not very prominent tubercle bordered with grey which 

 is continued along the sides of the forehead. Antennae longer 

 than the head, red-brown, the long spine or tooth brighter red ; 

 the first joint stout, long, the second only half as long, both with 

 black pubescence ; the third joint twice as long as the first, its first 

 ring as long as the remaining four together, stout, bearing the long 

 spine at its base, the second ring is the smallest, the third and 

 fourth about equal, the fifth as long as the last two together. The 

 hairs below the head are blackish. Thorax reddish brown, with 

 indistinct grey tomentum and two yellowish stripes ; the scutelhim 

 yellowish red ; the breast reddish, with brown tomentum and black 

 pubescence. Abdomen black, long and pointed ; the second seg- 

 ment widest, the first and third with yellow, the second and 

 fourth with grey hind borders, the remaining segments black with 

 some red on the sides ; under side black. Legs reddish brown with 

 black pubescence, the fore femora stout. Wings dark brown with 

 clear base ; a clear band in the middle crossing the base of the 

 discal cell and extending to the fifth posterior cell, another on the 

 apex crossing the fork of the third longitudinal vein ; there is also 

 a clear space in the anal cell, and the axillary part of the wing is 

 clear, 



I^ength 1 8 mm. 



Through the kindness of Mr. Verrall this species is now placed 

 in the British Museum collection with the species for which the 

 genus Gastroxides was formed. Ricardo, Ann. Mag. Nat. Hist. (7), 

 xiv, p. 372. 



<f . A male in the Indian Museum coll. from Colombo, and 

 another in the Brit. Mus. coll. from Henaratgoda, Ceylon (Yerbury), 

 are apparentl3^ males of this species, though the antennal third 

 joint in both is wanting The colouring of abdomen is different 

 from that of the female, being reddish with black spots, only black 

 at the apex. Face with the same tumid red-brown shining middle, 

 not so protuberant however and confined to middle of face ; the 

 palpi shorter than proboscis, club-shaped. Frontal triangle red- 

 dish. Eyes with the large facettes reaching the base of antennae, 

 bordered posteriorly by a narrow band of the small facettes. 

 Thorax and scutellum reddish brown, the latter more red on its 

 posterior border, sides of thorax with black hairs. Abdomen 

 reddish, shining, on the first three segments, with a median black 

 spot on each, the second segment narrowly black at sides, the 

 third segment with a black spot at each side, the fourth segment 

 black, dull yellow on its posterior border, the remaining ones 



