71 ; 
Pupa of Winged Viviparous Female (Plate VIIL., Fig. 3).—Head 
obscure dusky, thorax pale reddish brown, abdomen dull pale green, 
- without marking; beneath greenish. Cornicles blackish, cauda subtri- 
angular, dusky. Beak dark at base and tip; tarsi and tips of tibiv 
dusky. Antenne short and pale, last joint darker and proportionately 
longer than in the wingless female. Beak and tubercles as usual. 
Length 1.61 mm., width .8 mm., antenne .48 mm. 
Winged Viviparous Female (Plate VIIL., Fig. 4 and 5).—Head 
black, thorax brownish black, abdomen pale green, with black marginal 
blotches on the second, third, and fourth segments, and around base of 
cornicles. Several transverse dusky marks in front of the cauda. Be- 
neath, thorax chiefly dark, with pale spaces about base of legs; abdomen 
pale green, seventh segment as in wingless female. Antenne dark, pale 
at the articulations, length and proportions about as in wingless form, 
imbrication of joints ILI-VI distinct, III with six to eight mostly large 
sensoria in a nearly straight line, fourth segment with one or two sen- 
soria, sometimes none, V and VI as usual. Beak, abdominal tubercles, 
cornicles, and cauda, as in wingless form. Thoracic tubercles more out- 
wardly directed. 
Length 1.8 mm., width .9 mm., antenne .? mm., cornicles .12 mm., 
fore wing 2 mm. 
Wingless Oviparous Female (Plate VII., Fig. 5).—Body dull green, 
with a glaucous bloom. Head dusky, prothorax chiefly dusky, three 
succeeding segments with a median transverse dusky blotch. Other 
small spots in series on dorsum. Beneath, head and prothorax dusky, 
two dark spots outside middle cox, and dusky line before each of the 
hind cox. The usual dark patch on the seventh segment. Antenne 
relatively shorter, not reaching hind cox, proportions as in the pseudo- 
gyne; basal two joints and apical portions of the others dusky. Beak 
dusky, attaining middle coxe. Legs blackish, femora paler at base, 
anterior and middle tibiz paler except at tips; hind tibie greatly swollen 
and thickly covered with small sensoria. Tubercles smaller than in the 
pseudogynes. Cornicles and cauda as in the other forms. 
Length 2.3 mm., width 1.2 mm., antenne .8 mm., cornicles .2 mm. 
Hgg.—lLength .? mm., width .8 mm. Yellow when first laid, be- 
coming black during winter and changing to green just before hatching 
in spring. 
Wingless Male (Plate VII., Fig. 6).—Body narrower than that of 
pseudogyne, greenish black with a glaucous bloom, head black, thoracic 
segments each with a transverse black band, narrow on the prothorax, 
wider on the mesothorax, both attaining the lateral margins, that on 
the mesothorax narrow and short, not reaching the margins. Similar 
short bands on the first and the last three abdominal segments, other 
smaller spots present. Antenne, legs, and cornicles blackish. Thorax 
beneath blackish, abdomen dark green, with the usual dark patch on 
seventh segment. Antennal lengths as in the pseudogyne, the joints 
thicker, joint III with two or three large sensoria near the middle, 
usually in line, and about ten very small ones irregularly distributed, 
grouped especially near the apex; IV with 5—7 sensoria, one often 
—6 E 
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