Vol. xxvi] 



EKTOIIOLOGICAL 



171 



gins of the tdcrite broadly white; in akobolic tpcdnau four stripe* 

 show on the praescutum, the elongated median one being sobdmdcd 

 bjr a narrow Une ; Kutum light yelIowi»h brown with a large romdcd 

 brown spot on each lobe; scutellum and postaoiwB reddish brown. 

 Pleura pale brown and white, the brown being in the shape of a broad 

 band extending from the cervical sclcrites to the postnotnm; stemitea 

 brown. Halteres rather long, pak ydlowish brown. 



Legs with the co«ae and trochaatera Hght ycHow. rr a s i hidr r of the 

 legs Ught yellowish brown, the tarsi a tittle more infuscatcd. 



"•• «• — ^^^■a; ' ^'••_ .»!—*!'j?!*y «*—*_• "?***?! M fct «l tlw p$ml* gwrd. 

 rig. ^•^Hrpcyrgtaai. VMMnU Mpsct. 4 



I. tewtal MMC1 



id 



Whigs hyaline or nearly so, stigoia barely iadicatcdL vcIm pak yel- 

 lowish brown. Venation: (sec text figure i) Sc long, ca l eadlM g lo 

 aboot midlength of Ks: Rt ehmgated. arcaatcd; l?a 4- j subangvlated 

 at the proximal end of the stigma; basal deflection of /?4 + s ttsvally 

 angulated ; cell lit Hz open by the atrophy of the outer d efl a ctio o of 

 vein Uy, basal deflection of Cut far before the fork of U, this dis- 

 tance being longer than the deflection. 



Abdominal tergitea brown, narrowly and indistinctly flaargincd on 

 the lateral and caudal edges with duU yellow; ttcmites dull yellow. 

 Male hypopygium (see text figure 3) with the ninth pleurite (fr) 

 enlarged at the base, at the apex produced catidad into an elongate, 

 fleshy lobe, pak in colo( and provided with nnmerons hairs; the ven- 

 tral inner face of the pleurite is provided with two appendages, the 

 dorsal one (r) very long, sknder. simple, twisted, pak and blackcacd 

 at the tip: the ventral appendage (d) 1% bifid, the outer arm over 

 twice as long as the short cephalk inner arm; in a position of rest 

 both of these appendages are decussate. Penis-guard (a) viewed 

 from the side (see text figure a) elongate, bent slightly vcntrad, the 

 tip enlarged and provided on the lower surface with four teeth, the 



