Evebard E. Blanchard : Aphid noles t ig5 



Avith distinct apical flange, the distal half of its length with faint 

 scabrous imbrications. Cauda with from 4 lo 5 pairs of lateral 

 bristles. 



Relative measuremenis : 



Length 2.00 



Width..' o. 85 



f. t. I II III IV Y VI f. 



Antennae 0.06 0.12 0.08 0.66 0.56 o.l\!\ 0.i4 0.88 



Cauda. °- 2 9 



Cornicles 0.66 



Femora. . . 0.80 0.77 0.99 



Legs • Tibiae . . . 1.37 1.37 1.81 



Tarsi. .... o. i!\ o. i4 o. i5 



Rostrum. 0.60 



Álate virgogene. 



Color : General color as in apterous virgogene. Thoracic lobes 

 dusky. Eyes reddish. Antennae dusky. Abdomen with three large 



Fig. 5. — Macrosiphum urticae (Schk.). Apterous virgogene : a, anten- 

 na; b, segment III of antenna ; c, cornicle ; d, tip of cornicle; e, 

 cauda. Álate virgogene : f, cauda g, antenna; h, segment III of an- 

 tenna ; i, cornicle ; j, tip of cornicle. 



black lateral spots on either side anterior to cornicles and someti- 

 mes a darkish median longitudonalband. Legs yellowish with tips 

 of femora, tibiae and whole of tarsi, darkened. Cauda greenish. 

 Cornicles concolorous with body with darkened ápices. Wings 

 with delicate brownish venation. Wing insertions greenish to palé 

 brownish. Stigma palé brown. 



