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ENTOMOLOGICAL NEWS. 285 
the dorsal surface of the last segment near 
two laterally projecting spines as on the 
tubes are club-shaped, with a short, much 
and bear two longitudinal rows of foramina 
surface. The segmentation of the antenne 
through their semi-transparent sheath. 
long, rather acutely rounded at the tip of 
; evenly and well clothed with long black hair; 
about one-half the breadth of wing; anterior 
; dense tuft of long black hair on base of costa. 
one-sixth length of wing nearer tip than posterior; 
wing. Female wing, length 2.25 mm. to 
mm. to 100 mm. Male, length, 18 mm. to 1.85 
to .7 mm. Length of antenne about one and 
term! in a very acute claw; inferior genitalia one-jointed, greatly 
__ expanded at base, but tapers rapidly to tip, which bears a single long, 
ventral plate yellowish brown; ventral plate broader than long, 
broad emargination behind reaching half way to base; ovipositor 
as breadth of plate, much curved; plate and base of ovipositor 
with short hair. : 
‘abitat -—Columbia, Missouri; bred in laboratory from De- 
