APHIDID.E OF FOKJKISA. 29 



Lairs; the 1st juiut much larger than the 2ud, well devolojHid aud provided 

 with 2 very short capitate hairs ou the iuner side, the 3rd lacking sensoria ; 

 the relative leugth of joiuts as follows : 111—60, IV— 48, V— 40, VI— 130. 

 (17 + 122). ]Mesothorax provided with some rather loug capitate hairs in 

 groups ou each side. AbdoiLen provided with 6 very short capitate hairs iu a 

 transverse row on the dorsum of each of some of the basal segments and a 

 few longer ones on the distal segments. Rosh-um almost reaching the luidille 

 cosa\ Cornicles very long and slender, a little shorter than the antenual 

 spur, reaching a little beyond the caudal apex, somewhat imbricated, very 

 slightly diUted near the apex, slightly broadened toward the base, almost 

 twice as long as the 4th antenual joint and about thrice as loug as the cauda. 

 C'auda much wider than cornicle, provided with 3 paii-s of loug lateral bristles. 

 Legs long and slender, tibi:o provide^! with man}- moderately lung capitate 

 h airs. 



Length of body — 2.3 mm. Antenna — 2.2.5 mm. 



Cbrnicle — 0.75 mm. 



Winged viviparous female. 

 Pale yellowish green. Head and prouotum slightly dusky. ^le-sothoras 

 dusky. Eyes dark red. x\nteuurti dusky, slightly paler at the imniediate base 

 of the 3rd joint. Wings hyaline ; stigma pale gi'ay ; \eius gray. Cornicles 

 almost colorle.ss except the apices which are lightl}' dusky. Abdomeu with a 

 large square gi'eeu patch ou the dorsum between the cornicles. Cauda pale 

 green. Legs pale brown, apices of tibi;v, aud tarei dusky. Body almost 

 lacking hairs. Frontal tubercles short, somewhat developed on the inner side. 

 Anteuuffi almost lacking hairs ; the ord joint provided with 35 — 40, the 4th 

 24, the 5th 7^1 circular sensoria of medium or small size scattered over the 

 whole length ; the rekitive length of joiuts as follows : III — 50, 1\ — o"', A' — 

 33, \1 — 121 (16 + 105J. K'xstruiu almost reaching the middle coxa'. Cornicles 

 long and slender, somewhat iml)ricatcd, sjmewluxt dilated ou the apical portion 

 aud at the base, a little longer than the 3rd antenual joint, not rejiching the 

 apex of the cauda, almost 2.5 times as loug as the cauda. Cauda with a 

 coustrictiou about the middle, provMed with 3 pairs of lateral hairs. .Vbdomeu 

 provido'l with a few very short hairs on the distal half. I'ure wings with 



