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pedicel of 3 is short; joints 6 and 7 together form an elongate oval; the 
latter is acuminate at apex two-fifths the length of the former and 
terminates in two or three long slender hairs; surface of all the joints set 
with minute appressed hairs and furnished with a few bristles which are 
arranged in a preapical ring on joints 2-5, and on remaining segments are 
replaced by slender hairs; sensorial spines on joints 3, 4 and 6, distinct. 
The prothorax is subquadrate, a little longer and wider than preceding 
segment; posterior angles nearly rectangular; posterior border margined; 
surface nearly smooth and, with the exception of two discal areas, covered 
with coarse, stiff hairs which are largest near lateral and posterior borders; 
two short bristles at each anterior angle and four longer ones near front 
border; two large, strong, subequal bristles at each posterior angle, two 
of moderate length on hind border, and a similar one on disc near each 
posterior angle. 
The surface of the mesoscutum is apparently smooth, its posterior 
discal portion only moderately elevated, provided with two small bristles; 
two similar bristles occur on the posterior border, and one at each lateral 
angle. The metanotum is very short. The scutellum is obtusely carinated, 
its surface longitudinally striate, provided with two approximate submar 
ginal bristles on anterior portion of disc, and two, more widely separated, 
on basal margin. 
Abdomen is quite uniform in width, convex above, striate at base and at 
sides; base slender; apex short, conical; segments constricted, bearing a 
few stiff hairs on dorsal and ventral surfaces and a few bristles at sides; 
both hairs and bristles become stronger on anal segments, where the latter 
are arranged in two rings. 
Legs, especially posterior pair, slender; anterior femora but slightly 
expanded; hind tibiae spiny on inner margin, terminating in three strong 
spines, joints of their tarsi also furnished with apical spines; entire surface 
bristly, especially at apex of intermediate and anterior tibiae. 
Wings varying in size from rudimentary to fully developed; the ante- 
rior pair slightly dusky, posterior pair hyaline; in fully developed wing the 
cilia on costal border of each pair is short and sparse, on posterior border 
longer but not very heavy; venation of anterior wings rather weak; ante- 
rior and posterior basal cross veins present, but not distinct; costal vein 
furnished with 18-21 spines; cubitus, 10; radius, 10-11; anal, 5; anal cell, 
1; spines on cubitus are arranged in a basal group of seven, followed by three 
more widely separated on distal end of vein; longitudinal vein of posterior 
wings incrassate at base, not quite attaining tip of wing. 
Color usually pale yellow, deeper on thorax and legs, the latter frequently 
dusky; head and proximal joints of antennm white, intermediate joints 
brownish-black at base, the rest of the antennae deep black; occiput often 
tinged with yellow, sometimes dusky; eyes dark red-drown; ocelli yellow, 
inner margins brick-red; prothorax at margins, disc of mesonotum, pleurae, 
except upper portion of mesopleurae in front, narrow medium stripe on 
scutellum, pale; two spots or patches on prothorax, sometimes diffuse 
and coalescing sometimes nearly or quite obsolete, two broad, approximate 
stripes on scutellum, diverging slightly and extending outward and back- 
ward in a broken and interrupted line to lateral margin, upper portion of 
mesopleurae in front, brown; abdomen somewhat dusky, more or less pale 
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