QRAPTOMYZA. 



141 



brownish in middle ; three or more black supra-alar bristles, 

 1 po.stalai", '2 on posterior calli, 2 notopleural, and a row of long 

 black bristles or bristly hairs along hind margin; similar bristles 

 on hind mnrgin of scutellum. Abdomen yellow ; side margins 

 narrowly black, and four longitudinal black stripes of about equal 

 width, the mediau two rather closer together; all these stripes 

 run from anterior margin of 2nd segment to tip of abdomen, and 

 are unbroken in the typical form, but in the 12-notata variety 



Fi^. 3la.- Graptomyza loigirostris, Fig. ?.lh.— Grapiomijza lovffirosMs, 

 Wied., abdomen. Wied., var. V2-notata, Brim., 



abdomen. 



they are interrupted at margins of segments, thus formhig twelve 

 elongate spots ])laced longitudinally in four rows of three in 

 eacli^; varying considerably in individuals in the matter of width. 

 Legs orange-yellow; femora and fore tibia) broadly brown in 

 middle ; hind"^ tibia; almost wholly brown ; tips of tarsi brown. 

 Winr/s pale grey ; stigma yellowish : wing-margin a little smoky 

 from' stigma to tip; outer side of 1st posterior cell narrowly 

 suffused ; halteres orange. 



LeiK/th, 7-7^ mm. 



Described from a typical example from the Tenassernn Valley 

 (Doherh/) and another from Batavia, x. lt)07 {Jacohson) ; also 

 from tile tirpe-spec'.meAi of tny var. 12-notata from Sadiya, Assam, 

 all in the indian Museum. The species occurs in Sumatra, and the 

 British Museum possesses a good series from Singapoi-e {li'uUey). 



Described by Wiedemann from Westermann's collection, from 

 Java. 



li;j. Graptomyza angustimarginata, sp. nov. ( I'l. Ill, lig. 1'.).) 



$. Head: frons and face of uniform width, l)etween \ and \ 

 of head, \\ith short yellow jmbescence. Anteniue biown, ufiper 

 part of the long 3r(l joint black, arista bhick, brown at base, 

 plumose. Epistoine distinctly longer than height of eyes, browni.sh- 

 yellow, a mo(l<M-ately wide median strii)e and one on eaeh side 

 brownish-black. Occii)ut blaclc, a pale yellow fringe on lower 

 part. 2Viora.v shining black ; humeri, propleura and mesopleiira, 

 ends of suture and hind corners of dorsum, yellowish-brown. 

 Pubescence of dorsum short, dense, yellow; some long y«Ml()W 

 bristly hairs on hind margin. Scutellum i)r()\vnisli-yellow with a 

 little yellow pubescence, centre l)lack, hind margin ^itli long 



