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



black pubescence. Forehead with no callus, almost parallel, about 

 four times as long as it is broad. Thorax and abdomen uniformly 

 covered with greyish yellow tomentum, through which the dark 

 ground colour hardly appears, and with thick short pale yellow 

 pubescence on the dorsum of abdomen, on the thorax it is less 

 thick and replaced chiefly by black pubescence anteriorl}^ shoulders 

 the same colour. Breast rather greyer with white pubescence. 

 Under side of abdomen similar but almost devoid of pubescence. 

 Legs pale reddish yellow, the apices of fore tibiae and the tarsi 

 blackish, the other tarsi more or less brown, pubescence pale 

 vellow on the coxae and femora, chiefly black elsewhere. Wings 

 clear, the veins very pale yellow and stigma hardly noticeable, 

 no appendix. 



cf . Similar but in some of the specimens, owing probably to 

 denudation, black median markings or a black median stripe appear. 

 Abdomen with very little j^ellow pubescence, almost bare. Eyes 

 large, convex, the large facets occupying fully two- thirds of the 

 surface of eyes, the small ones reaching to the vertex as a narrow 

 border. Palpi pale yellow with yellow pubescence and black 

 pubescence on apex. Frontal triangle and subcallus coloured 

 alike. 



Group V. 



Species with wings spotted or banded. Forehead with one 

 square, narrow, or oblong callus, always prolonged towards the 

 vertex as a more or less narrow line ; five to ten times as long as 

 it is broad. Species from 9 — 21 mm. in length. 



Tabanus javanus, $ , Fabr. 



Syst. Antl., 103, 46 (1805); Wied., Dipt, exot., p. 93 (1821); 

 id., Auss. Zweifl. Ins., i, p. 183 (1828). 



Thorax striped ; abdomen with white triangular dorsal spots, 

 wings spotted. Smaller than the preceding species {Tabanus 

 vittatus and longicornis). Head white haired. Thorax brown^ 

 with white stripes. Abdomen brown, with a large triangular spot 

 on the dorsum of each segment. Body pale, darker at the apex. 

 Wings hyaline, with five black spots. Legs testaceous. From 

 Java, Fabr., Syst. Antl., p. 103. 



The species is unknown to me. Wiedemann redescribed it in 

 Auss. Zweifl. Ins., i, p. 183, as follows: Thorax black, white 

 striped, the sides rusty yellow, abdomen brown, ferruginous at 

 the sides, with triangular white median spots; wings spotted with 

 brown, 4^ lines 9 , from Java. 



The whole head reddish white. Beard white. Forehead with 

 a chestnut-brown smooth stripe, widening below into a broad callus. 

 Dorsum of thorax with three whitish lines, the sides almost 



