410 



JOURNAL OF ECONOMIC ENTOMOLOGY 



[Vol. 5 



Under side of thorax black, of abdomen reddish. Beak pale, reaching midway 

 between first and second coxae. Sensoria distributed as follows; — joint 3, 9-12 

 circular, in an irregular row; joint 5, 1 terminal; joint 6, 1 large and 3 small, 

 terminal. 



Measurements; — Body, length, 2.28 mm 



" width 1.05 mm 



Wing expanse 7.16 mm 



Cornicles .407 mm 



Alate viviparous female (Light form). Pea green. Antennae on prominent 

 frontal tubercles, longer than the body, black with joints 1 and 2 green and joints 

 4 and 5 light brown. Eyes dark red. Head and prothorax light brown, rest of 

 the body green. Abdomen wider than the thorax, widest at the fourth segment. 

 Wings large; stigma greyish-yeUow, narrow and long; insertions and sub-costa 

 greenish-yellow; second fork of third discoidal about midwaj' between first fork 

 and the wing apex. Legs green, knees, tarsi and tibial apices black; tibiae yellow- 

 ish. Cornicles green, shghtly curved, six times the hind tarsi in length, shaped as 

 in the dark form. Cauda short, dusky, conical. Beak green, tip brown, not 

 quite reaching second coxae. In the single specimen that I have there are 9 sensoria 

 on joint 3 of the left antenna and 10 on joint 3 of the right antenna. Joint 5 has 1 

 terminal sensorium and joint 6, 4 terminal sensoria. The antennae of this form differ 

 from those of the dark form by having joint 4 longer than 5. 



Measurements ;- Body, length 2 . 30mm 



" width 1.04mm 



Wing expanse 7 . 13mm 



Cornicles . 57mm 



Antennal joints 



I 



II 

 III 

 IV 



V 

 VI 



' fil. 



.114 

 .080 

 .671 

 .562 

 .521 

 .15a 

 1.031 



Apterous viviparous female. General color pea green. Filament and articulations 

 of the antennal joints black. Mouth of the cornicles black. Eyes red. Tarsi grey. 

 Antennae on very conspicuous toothed frontal tubercles, reaching to the base of the 

 cornicles. Relative lengths of the antennal joints as in the green winged form. Legs 

 slender, green; all tarsi grey. Cornicles green, curved, with tip black, five or six 

 times the hind tarsi in length. Cauda green, conical, half as long again as the hind 

 tarsi. Beak green, with a brown tip and extending to the second coxae. 



Occurs on the under side of the leaves of wild Clematis (Clematis 

 ligusticifolia Nutt.). The alate green forms are very rare while the 



