186 spheqidjE. 



B. Abdomen black. 



a. Pile on abdomen golden T. monetaria, p. 188. 



b. Pile on abdomen silvery. 



a'. Of comparatively large size : over 10 mm. 

 in length. 

 a^. Thorax with fuscous or rufo-fuscous 



pubescence T. saundersii, p. 189. 



b"^. Thorax with yellow or golden pu- 

 bescence T. sinensis, p. 189. 



b' . Of comparatively small size : under 15 

 mm. in length. 

 a^. Legs more or less testaceous red. 

 a^. Form short, robust ; all tibiae and 



tarsi testaceous red T. modesta, p. 190. 



b^. Form more slender ; tibiae and tarsi 

 of anterior and tarsi only of inter- 

 mediate and posterior legs testaceous 



red T. ornatipcs, p. 190. 



b~. Legs black. 



a'\ Pygidial area covered with black 



pubescence T. nitiduki, p. 190. 



b^. Pygidial area covered with silvery 

 pubescence. 



a*. Length 13-14 mm T. vicina, p. 191. 



6*. Length 7-9 mm T. vishnu, p. 191. 



360. Tachytes yerburyi, n. sp. 



cJ . Clypeus, the region o£ the ocelli, and the vertex of the head 

 finely and closely punctured ; the anterior margin of the clypeus 

 narrowly smooth and recurved ; eyes strongly convergent above, 

 nearly meeting ; the front and clypeus densely pubescent ; thorax 

 finely and closely punctured, and with the abdomen above thinly 

 pubescent ; median segment short, rounded posteriorly ; the apex 

 steeply sloped, a medial longitudinally impressed line widening on 

 the verge of the posterior slope into an oval fovea. Black, the 

 mandibles at. base, the apex of the clypeus, the scape and basal 

 eight joints of the flagellum of the antennae, the legs except the 

 base of the coxte, and the basal four or five segments of the abdo- 

 men, light testaceous red ; the pubescence rich golden, forming 

 shining transverse bands on the margins of segments 1-6 of the 

 abdomen above ; wings fulvo-hyaline, the apical and posterior 

 margins lighter ; in the fore wing a dark fuscous cloud occupies 

 the radial, descending slightly into the 2nd and 3rd cubital cells. 



Hah. Ceylon, d. Length 17; g.t7>». 32 mm. $ unknown. Type 

 in British Museum. 



361. Tachytes fervida, Stnith, Cat. iv, p. 298, $. 



5 . Closely allied to and resembling 2\ tarsota, Smith, but is a 

 broader, stouter-built insect, the median segment proportionately 

 not so long ; the apical margin of the clypeus is narrowly depressed 

 and rounded ; the head above is not furrowed, and the eyes are 

 slightly more convergent towards the vertex. Head, thorax. 



