igii.] G. RiCARDO : The Oriental Tahanidae. 391 



& 9 (types). Face yellow, with yellow hairs on the cen- 

 tral stripe and at the sides. Antennae long and slender, nearly 

 equal in length to the head and thorax, all the joints about equal 

 in length; yeUovv, the third joint darker, the first clothed with 

 long black hairs, the second with shorter ones, the third bare. 

 Palpi yellow. Thorax and scutelliim brownish, with 3''ellovv pubes- 

 cence, thicker at the sides, the breast the same colour. Abdomen 

 light yellow, the second segment paler ; the first segment with a 

 narrow black band on the posterior border, the second with 

 a black stripe which begins in the centre and then divides, send- 

 ing out a branch on each side reaching to the hind border, and 

 there extending outwards till it ends in a point; a small, yellow, 

 oblong spot is thus left in the middle, surrounded by the black, 

 excepting on its posterior border ; the black stripes are continued 

 very faintly on the third segment; the sides of abdomen have 

 short black pubescence; the underside 3'^ellow, with three faint 

 brown stripes on the third segment. Legs yellowish brown, with 

 short black pubescence; the tibiae dilated, especially the anterior 

 and middle pairs. Wings clear, with brown colouring at the 

 extreme base only filling the basal cells one-third of their length, 

 continued along the fore border to the apex, and as a transverse 

 band which attains the posterior border just contiguous to the 

 anal cell ; it is a little fainter in colouring in the fifth posterior 

 cell; its apical border is straight, also the inner one as far as the 

 anal cell. 



lycngth ii|- mm. 



The female is identical. 



Chrysops fasciata, $ , Wiedemann. 

 (Plate XV, fig. 7.) 



Dipt, exot., i, p. 103 (1821) ; id., Auss. zweifl. Ins., i, p. 198 

 (1828); Doles., Natuurkund. Tijd. Nederl. Ind , xvii, p. 84 (1858); 

 Ricardo, Ann. Mag. Nat. Hist. (7), ix, p. 375 (1902). 



Thorax black; abdomen at the base white, in the middle 

 black, with the apex ochraceous; wings at the base, costal border 

 and band brown. ^^ lines, 9 . from Java. 



Antennae brown, the last joint deep black at apex ; face 

 golden yellow with a brownish black triangular tubercle. Thorax 

 with golden yellow tomentum ; breast sides with thick golden 

 yellow silky pubescence. Abdomen with the first two segments 

 white, the last one black on its posterior border, the third black 

 with ochre-brown median and side spots, which do not attain the 

 side border, the fourth and fifth ochre-brown with black side 

 borders, the sixth and seventh wholly ochre-brown. Wings very 

 hyaline, the usual band hardly incised in the inner border. Legs 

 brown, femora darker, the tarsal joints at base very pale, the fore 

 tibiae and tarsal joints at base blackish ; the posterior tibiae fringed 

 with black hairs. In Westermann's collection. Wiedemann, Auss. 

 zweifl. Ins., i, p. 198. 



