syjsrECHES. 329 



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

 long stiff dark hairs. Wings pale grey, unmarked except i'or the 

 distinct brownish-yellow stigma; halteres brown. 



Length, 4 mm. 



Described from one 6 in the Indian Museum from Peradeniya, 

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



255. Syneches bigoti, Bezzi. (PI. IV, fig. 3.) 



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



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

 JPterospilus bicolor, Bigot, Aim. Soc. Ent. France, (6) ix, p. 1 26 (1889). 



c? 2 . Head with eyes closely contiguous in both sexes from 

 vertex nearly to base of antennas, 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 antenna?; the three conspicuous ocelli bright brown; vertex 

 with a row of short black bristly hairs ; antennae 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 antennas ; 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 dorsum 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 cf • Venter from pale yellow to yellowish brown ; genitalia in 

 C? of moderate size. Legs : 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 da,rker brown subapical band 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 Jong bristles on 

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

 anterior legs with soft short pubescence on femora and tibiae and 

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

 isolated ones placed apparently irregularly on the tibiae. Wings 

 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, 



