SH 
veinless; fore wings with an apical double fringe of eight hairs, and with 
the basal scale black. Femora concolorous with head and thorax; 
tibie and tarsi yellowish brown. 
Abdomen large; sides sub-parallel as far as segment 6, thence curving 
roundly to base of tube. Tube about three-fifths as long as head, ab- 
ruptly narrowed at apex, and slightly narrowed at middle. 
Measurements:—Total length 1.8 mm. (1.71—1.89 mm.); head, 
length .32 mm., width .19 mm.; prothorax, length .27 mm., width (in- 
cluding coxe) .40 mm.; pterothorax, width .41 mm.; abdomen, width 
.45 mm.; tube, length .13 mm., width at base .082 mm., at apex .041 
Mmunmeamuentc. 1, Alu 2 S23. 57 fh A, Ooo, 04> 6, 54 fe; 7, 49 
p; 8, 54 w; total, .42 mm. 
Male.—Slightly smaller than female (total length about 1.4 mm.). 
Abdomen more slender, tapering more gradually toward apex. 
Described from two females and five males, taken by the writer in 
June on a window of a wood-shed, Urbana, Illinois. 
This species could not possibly be confused with any other de- 
scribed one, distinguished as it is by characters of generic significance. 
NEOTHRIPS gen. nov. (Fig. 6). 
(véos, new; Ooed, thrips.) 
Head almost one and one-half 
times as.long as wide; cheeks par- 
allel, sparsely spinose; vertex ele- 
vated, narrowed anteriorly, not 
overhanging. Antenne stout, eight- 
segmented, about one and three- 
fourths times as long as _ head, 
inserted beneath vertex; segments 
7 and 8 distinct, but united into 
a heavy, compact club, and with 
a straight, comb-like, ventral row 
of either nine or ten bristles; seg- 
ments 2 and 7 slightly longer than 
the intermediate ones, which are 
almost exactly equal in. length. 
Mouth cone long, slender, acute, 
surpassing base of prosternum; 
labrum pointed. Prothorax large, 
trapezoidal, armed with five pairs 
of bristles. Legs short, stout; fore 
tarsi armed with an acute tooth 
which in the male is larger and Neothrips corticis. a, head and prothorax, fe- 
slightly curved. Male without scale male; b, tip of abdomen, female; c, right 
at base of tube. ee d, right fore leg, 
Fic. 6 
