Genus Pseuclohowardina. 225 



border around the eyes ; fork scales of mid area ochreous, those 

 of lateral area dusky and brown ; chaetae brown, except those 

 between the eyes which are golden ; palpi deep blackish-brown 

 with long black chaetae : proboscis deep blackish brown. 



Thorax deep brown, with narrow-curved scales, the median 

 ones deep rich bronzy brown, forming a median dark broad stripe, 

 the lateral ones pale creamy, forming broad lateral pale stripes 

 which somewhat broaden out posteriorly and so narrow the 

 median dark area ; at the extreme sides of the mesonotum the 

 scales become darker, rich brown ; chaetae brown, rather short 

 but long posteriorly ; scutellum brown with narrow-curved pale 

 creamy scales and deep brown border-bristles ; metanotum almost 

 black ; pleurae deep brown, with patches of flat white scales and 

 a few dull chaetae. 



Abdomen brown, with deep brown scales showing violet 

 reflections, and with large basal white triangular patches, ex- 

 tending some distance along each segment ■ border-bristles pale ; 

 venter entirely creamy scaled. 



Legs deep brown, femora pale creamy at base and beneath ; 

 ungues all equal and uniser rated. 



Wings with rather small fork-cells; scales very similar to 

 Stegomyia ; first sub-marginal cell longer and narrower than the 

 second posterior cell, its base nearer the base of the wing, its 



Fig 59. 

 Wing of Pseuclohowardina trivittata. ?. Coquillett. 



stem more than half the length of the cell ; stem of the second 

 posterior cell as long or slightly longer than the cell ; posterior 

 cross-vein longer than the mid, not quite its own length distant 

 from it. 



Hal teres with ochreous stem and pale-scaled knob. 



Length. — 4 to 5 * 5 mm. 



Habitat. — Chester, Great Piece Meadow, South Orange, New 

 Brunswick, in New Jersey ; Bath-on-Hudson and Poughkeepsie, 

 New York (Professor E. P. Felt); Illinois; Fort Sill, Okla ; 



VOL. IV. Q 



