14 BULLETIN 276_, U. S. DEPAETMENT OF AGEICULTXJRE. 
bearing the cornicles, which are cf a decided bright yellow tint. 
Antennae five-segmented, reaching a little beyond tip of body, seg- 
ments I and II concolorous with head or paler, the 
remaining segments whitish semitransparent with 
the tips of III, IV, and basal part of V dusky. 
Eyes bright red. Legs concolorous with antennae, 
excepting tarsus which is dusky. Cornicles con- 
colorous with antennae the tip dusky, slightly nar- 
rowed at tip, and reaching beyond tip of abdomen. 
Style not visible. 
Measurements from two specimens, immediately 
after placing in balsam and before shrinkage oc- 
curs: Length of body, 0.91 mm., width, 0.40; length of cornicles, 0.139 
mm. 
Fig. ?>.— Macrosipliiivi 
pisi: First instur of vi- 
V i p a r o u s general ion . 
lluch- enlarged. (Orig- 
inal.) 
Measurements of antemial segments : 
I. 
II. 
III. 
IV. 
V base. 
V filament. 
Mm. 
Mm. 
Mm. 
Mm. 
Mm. 
Mm. 
0.06 
0.05 
0. 19 
0.18 
0.087 
0.39 
.07 
.05 
.208 
.208 
.094 
.45 
.07 
.05 
.208 
.208 
.100 
.45 
.07 
.05 
.208 
.208 
.100 
.45 
Second instar, after first molt and 50 to 60 liours old. — (Described from 
four specimens, Aug. 19-22, 1912.) Entire body pale green; eyes 
red; antennae reaching a little beyond tip of abdomen; segments I 
and II pale green and somewhat transparent; III, IV, and base of V 
pale, semitransparent, with the tips dusky; filament of VI blackish; 
segment III sometimes with a dusky ring near middle, but not con- 
stricted. Beak reaching coxae of second pair of legs. Legs with 
femur very pale green, the tip dusky, tibia pale, becoming dusky 
toward tip, the tip blackish, and tarsus black. Cornicles pale, semi- 
transparent, becoming pale dusky near apex, the extreme tip black. 
Cauda concolorous with body. 
Measurements from two specimens, immediately after placing m 
balsam and before shrinkage occurs : Length of body, 1.16 mm., width, 
0.53; length of cornicles, 0.25 mm. Measurements of antennal 
segments : 
I. 
11. 
III. 
IV. 
V base. 
V filament. 
Mm.. 
Mm. 
Mm. 
Mm. 
Mm. 
Mm. 
0.104 
0. 060 
0.348 
0.261 
0.129 
0. 765 
.095 
.069 
.330 
.270 
.139 
.608 
.104 
.060 
. 348 
.270 
.139 
.600 
.095 
.060 
.348 
.278 
.139 
.608 
Tlih'd instar, after second molt and 75 to 97 liours old. — (Described 
from three specimens, Aug. 20-23, 1912.) Body pale green, the ante- 
rior portion, including head, slightly paler or yellowish green; some 
