STRATIOSPllECOMYIA. 37 



iuerassated, broader and longer than the remainder of the tarsns ; 

 4th tarsal joint of all the tarsi distinct!)' shorter than any others. 

 W!))rjs well developed, fairly broad, a little longer than abdomen, 

 venation as in Pachi/aaster ; halteres large. 



15. Stratiosphecomyia variegata, Bnui. (PI. I, figs. 12, 13.) 



Straiiosphecomyia varier/atd, Bnuietti, llec. lud. Mas. ix, p. 201 

 pi. xiv, tigs. J4, 17 (lia;!). 



cJ $ . Head : eyes in S contiguous for one-fourth tiie distance 

 from vertex to antenuce, vertex rather depressed, with conspicuous 

 ocellar prominence, wholly black; frontal triangle brownish yellow, 

 bare, shining, flnsh with eyes ; face lighter brownish yellow, with 

 almost microscopic whitish pubescence and two large circular 

 black spots below base of antennae ; the hinder part of the lower 

 part of the head black ; proboscis and palpi brownish yellow, 

 withdrawn, with a little pale pubescence; antennae cylindrical, 

 nearly filiform, scape brownish yellow, bare, 1st joint twice as 

 long as 2ud ; Hagellum black, with eight aunulations, subequal, 

 except that the last one is a little longer and pointed. In $ , 

 frons and face greenish yellow, shining, with very short soft 

 whitish pubescence; former at level of antennae nearly 1 width of 

 head, with parallel sides; a blackish transverse streak from eye to 

 eye a little below vertex, embracing ocellar triangle, the latter 

 shining black, slightly elevated ; face rapidly broadening from 

 below antennae ; a thin black ring on face around base of each 

 antenna ; a conspicuous round black spot on each side immediately 

 below antennae ; a transverse narrow black band a little lower, 

 from eye to eye ; underside of head retreating, greenish yellow, 

 smooth, shining, with whitish pubescence, and two longitudinal 

 blackish-brown marks in each side of mouth-opening ; posterior 

 orbit of eyes distinct, but rather narrow, yellow, bare. Thorax 

 black, microscopically pubescent, with bright lemon-yellow mai'k- 

 ings as follows : — On anterior margin of prothorax ; the humeral 

 calli ; a large triangular mark at each end of the transverse suture, 

 in front of root of wing ; a broad band from shoulder to wing- 

 base ; the posterior margin of dorsum of thorax broadly yellow, in 

 the form of four contiguous triangles, the outer ones approximate 

 to wing-bases ; a large spot placed diagonally on the sternopleura ; 

 a curved one between it and the wing-base and lastly one behind 

 the wing, almost contiguous to the metanotum. Sides of thorax 

 with extremely short and rather sparse pubescence, which is black 

 or yellow in accordance with the colour of the surface. Abdomen 

 with basal segment reddish brown ; 2nd, except perhaps at extreme 

 tip, black ; remainder of abdomen reddish brown, with a narrow 

 indistinct transverse blackish streak at base of 4th, and a similarly 

 coloured subquadrate large spot on base of 5th, filling the major 

 part of the segment. Legs with coxae black, tips sometimes a little 

 paler ; anterior legs yellowish, tibiae indistinctly a little darker. 



