76 INSECUTOR INSCITI^ MENSTRUUS 



Rostrum and palpi black. Antennae with the scape obscure 

 yellow; flagellum black. Head discolored in the type, appar- 

 ently obscure yellow. 



Mesothorax unusually gibbous. Mesonotal praescutum shiny 

 yellow vv^ith four conspicuous black stripes, the intermediate 

 pair narrowly connected before the suture; scutal lobes dark- 

 ened laterally; remainder of mesonotum obscure yellow. 

 Pleura obscure yellow. Halteres with the basal two-thirds 

 of the stem obscure yellow, the remainder brownish black. 

 Legs with the coxae and trochanters yellow ; femora 

 brown, the tips broadly black; a conspicuous, obscure 

 yellow subterminal ring, slightly more extensive than 

 the black femoral tip; tibiae black, the base a little paler; 

 tarsi black. Wings with the apex obtuse; general col- 

 oration yellow, the base and costal region bright yellow ; stigma 

 very large, brownish black, occupying the entire area between 

 the end of Rs and r; a small l^rown spot at origin of Rs; 

 indistinct brown seams along the cord and outer end of cell 

 1st Mo ; a more conspicuous brown seam along i?2+3 beyond 

 the stigma ; all longitudinal veins very faintly seamed with 

 brown ; veins brownish black. Venation : Sc, at the extreme 

 tip of Sc^ and exactly opposite the end of Rs; Rs strongly 

 angulated at origin; r at extreme tip of R^, strongly arcuate; 

 veins i^a+s ^^^ -^44-r. bent strongly caudad beyond midlength ; 

 basal deflection of Cm, immediately before the fork of M. 



Abdominal tergites orange-yellow, each with a broad, brown 

 median triangle ; sternites obscure brownish yellow. Hypo- 

 pygium bright yellow. 



Habitat. — Sumatra. 



Holotype, $, Brastagi. altitude 4,350 feet, May 15, 1921 

 (J. B. Corporaal). 



Limnobia flavoterminalis, new species. 



General coloration yellow ; praescutum without distinct mark- 

 ings ; scutal lobes infuscated ; knobs of halteres yellow; femora 

 yellow with a conspicuous dark brown ring, the tips broadlv 

 yellow ; wings yellow, marbled with brown ; Sc long ; abdominal 

 tergites dark brown, the sternites obscure vellow. 



