TACHVPEZA. 379 



little enlarged iu both sexes ; ocellar bristles absent ; antennal 

 arista unjointed ; proboscis shorter than height of head. 8cu- 

 tellum with two bristles. Legs long and slender, the fore pair 

 the shortest, the hind pair the longest ; fore coxae slightly- 

 elongated ; fore femora thickened in both sexes, the middle 

 femora slightly thickened; fore tibiae sometimes somewliat 

 thickened, more so in the male; tarsi long. Wings with vena- 

 tion as in Tadiydromia, except that the anal cell is absent ; lower 

 branch of 5th vein present. 



llanr/e. Europe, India, Siberia, North America, Jamaica. 



Life-liistorij unknown . 



The Hies are found on tree-trunks, and running swiftly over 

 low plants and bushes. They are raptorial and are said to be loth 

 to fly. 



Only two Indian species are known, distinguished as follows : — 



Antenn* all black ; kng'th U mm pallklitihici' , Brun. 



Autenua3 with basal joints pale ; length i^^ mm. . . incisa, Brim. 



312, Tachypeza palliditibiaB, Brun. 



Flntiipalpm palUditibice, Brunetti, Kec. Ind. Mus. ix, p. 41 (1913). 



S . Head blackish ; frons and occiput with microscopic whitish 

 hairs, some also on underside of head ; antennae black ; proboscis 

 mainly black, not so long as height of head ; palpi nearly white, 

 half as long as the proboscis. Thora.v wholly blackish, with 

 microscopic pale yellowish hairs ; scutellum, metanotum, and sides 

 all similar ; bristles distributed as in the three previous species. 

 Abdomen black, with sparse ])ale hairs, tip stump-like ; genitalia 

 of moderate size, rounded exteriorly, mainly withdrawn ; venter 

 like upper side. Ler/s yellowish ; femora mainly blackish, as are 

 the tarsi-tips. TFt;«r/s clear ; halteres: stem black, clubs whitish. 



Length, 14 mm. 



Described from one d" in the Indian Museum from Simla, 

 11. V. 1908 (Annandale). 



313. Tachypeza incisa, Brun. 



Flatypalpus incisus, Brunetti, Rec. Ind. Mus. ix, p. 41 (1913). 



S . Head blackish, occiput with short whitish-grey hairs ; frons 

 moderately narrow, widened a little in the middle, at which place 

 are situated the three lim.pid ocelli in the form of a triangle. 

 Proboscis brownish yellow, half the height of the head ; palpi pale 

 yellow, with a few black bristles. Antennae large ; 2nd joint 

 yellowish, with a row of short subapical bristles ; 3rd dark brown, 

 with minute pale ptibescence, squarish or nearly V-shaped at tip, 

 with a long thick arista from the upper angle at the tip. Thorax 

 wholly shining black, bare, except for microscopic yellow hairs 

 and two or three notopleural bristles ; scutellum with two apical 



