﻿A 
  1ST. 
  20 
  

  

  THE 
  APHID 
  GENUS 
  AMPI 
  I 
  OR< 
  (L'JIORA 
  MASON 
  

  

  69 
  

  

  Antennal 
  tubercles 
  very 
  large 
  and 
  distinct. 
  Beak 
  reaching 
  be- 
  

   yond 
  second 
  coxae. 
  Cornicles 
  long, 
  slender, 
  somewhat 
  swollen, 
  

   plainly 
  reticulated 
  at 
  tip, 
  swollen 
  portion 
  imbricated. 
  Cauda 
  long 
  T 
  

   slender, 
  not 
  distinctly 
  constricted, 
  three 
  sets 
  of 
  lateral 
  hairs. 
  

  

  Measurements 
  as 
  follows 
  : 
  

  

  Apterous 
  nymphal 
  measurements 
  

  

  