SHS 
outer one; 7 with a sub-apical dorsal one. Mouth cone pointed, attain- 
ing base of prosternum. 
Prothorax two-thirds as long as head, and (including coxe) slightly 
less than twice as wide as long; all usual spines present, blunt. Ptero- 
thorax scarcely wider than prothorax; sides sub-parallel, slightly con- 
cave. Wings long, without prominent longitudinal vein. Fore femora 
five-eighths as wide as length of prothorax, and with a sub-apical acute 
tooth; fore tarsi armed with a stout tooth. 
Abdomen about as wide as prothorax. Tube about .7 as long as 
head; bristles at tip shorter than head. 
Measurements :—Total length 2.1 mm.; head, length .36 mm., width 
.25 mm.; prothorax, length .24 mm., width (including coxe) .46 mm.; 
pterothorax, width .46 mm.; abdomen, width .47 mm.; tube, length .25 
mm., width at base .092 mm., at apex .059 mm. Antenne: 1, 45 yp; 
PerO eo. VS 4 At eS: 100 O73 2 1, OF ps 8, 38": total, .62.amm. 
Described from one female taken on the trunk of a Carolina poplar 
at Bloomington, Illinois, July 10, by Hugh Glasgow. 
Genus LiotHrips Uzel, 1895. 
Liothrips (°?) ocellatus sp. nov. 
Female —Length about 2.2 mm. General color black, excepting 
tarsi and articulations of legs, which are slightly paler, and antennal seg- 
ments 3-5, which are at least partly yellow. 
Head 1.15 times as long as wide, widest just behind eyes, narrowing 
evenly to base, where it is .84 of the postocular width; vertex elevated 
between eyes, slightly overreaching insertion of antenne, and bearing the 
anterior ocellus at its extremity; lateral and dorsal surfaces transversely 
striate sparsely, briefly, and scarcely visibly spinose; postocular bristles 
blunt, three-fifths as long aseyes. Eyes large, one-third as long as head. 
Ocelli anterior; posterior ocelli opposite anterior third of eyes: anterior 
ocellus overhanging. Antenne eight-segmented, twice as long as head; 
segments 1 and 2 concolorous with body, excepting apex of 2, which is 
paler apically; 3 uniform bright lemon-yellow; 4 yellow, dusky at base 
and apex; 5 blackish brown, its second and third fifths brownish yellow; 
segments 6-8 concolorous with body.* 
Prothorax two-thirds as long as head, and (including coxe) 2.4 
times as wide as long; all spines present, moderately long, blunt, the two 
pairs near the posterior angles longest. Pterothorax slightly wider than 
prothorax, about as long as broad, slightly narrower posteriorly; sides 
convex, gently arcuate. Wings present, reaching about to base of tube; 
fore wings brownish at base, not narrowed at middle, with three sub- 
*T have not described the position of the sense-cones, as several of these are 
apparently lacking. 
