SYNECHES. 329 



yellow pubescence ; all the tibiae with a row of well-separated 

 long stiff dark hairs. Winc/s pale grey, unmarked except for the 

 distinct brownish-yellow stigma ; halteres brown. 



Length, 4 mm. 



Described from one <5 in the Indian Museum from Peradeniya, 

 Ceylon, iv. 1911 (E. E. Green). 



255. Synecb.es bigoti, Bezzi. (PI. IV, fig. 3.) 



Syneches bigoti, Bezzi, Ann. Mus. Hung, ii, p. 360 (1904) ; Brunetti ; 



Rec. Ind. Mus. ix, p. 16 (1913). 

 Pterospihis bicoloi; Bigot, Ann. Soc.Ent. France, (6) ix, p. 126 (1889). 



<5 2 Head with eyes closely contiguous in both sexes from 

 vertex nearly to base of antennae, leaving extremely small vertical 

 and frontal triangles; frontal bright brown facets from vertex 

 to lower margin of eye considerably larger than the hindmost 

 black ones, the size gradually diminishing; face moderately broad, 

 blackish, with a little whitish pubescence immediately below base 

 of antennae; the three conspicuous ocelli bright brown; vertex 

 with a row of short black bristly hairs ; antenna? wholly brownish 

 yellow, 1st and 2nd joints sometimes darker, the 2nd with a fringe 

 of black bristles towards tip ; arista pale yellow, more than twice 

 as long as antennae ; epistome, proboscis, and palpi bright brownish 

 yellow, the last with two or more long bristles and a row of short 

 stiff hairs ; occiput black, with a little pubescence. Thorax wholly 

 bright yellowish brown, with three well-separated, moderately 

 wide, more or less distinct darker stripes from anterior to pos- 

 terior margins; the whole clorsum with very short black pubescence. 

 Scutellum varying from pale yellow to yellowish brown, with a 

 row of short black bristles on hind margin. Abdomen brownish 

 yellow ; hind margins and sides of segments more or less blackish, 

 with yellow pubescence at sides. In the $ the abdomen more 

 yellowish grey, rather broader basally, conical at tip, and shorter 

 in tf . Venter from pale yellow to yellowish brown ; genitalia in 

 c? of moderate size. Leys : anterior pairs pale brownish yellow, 

 sometimes the anterior femora or anterior legs wholly much 

 darker ; hind legs always darker than anterior pairs, normally with 

 a very broad darker brown subapical hand on femora, sometimes 

 a similar basal brown band, but less distinct ; sometimes the hind 

 femora entirely darker brown ; hind tibiae darker brown, basal 

 and apical thirds usually darker still ; hind tarsi pale yellowish, 

 tips of all tarsal joints brownish. Hind femora with soft, black, 

 moderately long pubescence and a row of 8-9 long bristles on 

 outer side and a row of about twelve short socketed spines below ; 

 anterior legs with soft short pubescence on femora and tibiw and 

 hind tibiae also; a row of long stiff hairs below femora and some 

 isolated ones placed apparently irregularly on the tibiae. Wing* 

 pale grey; veins brown, but pale yellow on some of the non- 

 infuscated parts and contiguous to the stigma ; these infuscations 

 are somewhat irregular in outline and of more or less distinctness, 



