PhMONA C'ol.I.ECiK JoniNAI. OK K.NTOMOLOGV 



555 



Prefailiiif; color — Very dark brown or black throiif;hout, nearly sliinv, with 

 very little or no powdery covering, and no floeeulence. //e<irf--\'erv small, half as 

 wide as the thorax. Antennat — (Figure IS()K). Keaeliiii); just beyond thorax, 

 black, hairy, lengths of articles : I , (t. 1 -2 nnn. ; II . 0. 1 .1 nnu. ; 1 1 1 , O.-M nun. ; I V, (). I « 

 nun.; \'. O.lti nnn.; VI. O.'2'.J nun. ( luiguis O.di inui. ) ; total l.(l!» nun. Rostrum — 



B 



Figure 186. Pemphigus fraxini-dipetalz 

 .\. winged viviparou> Icniiilc; l'.. apterous viviparous female, stem mother; C. 

 young winged viviparous female: I), antenna of winged female; E. antenna of 

 apterous female. 



