﻿art. 
  20 
  THE 
  APHID 
  GENUS 
  AMPHOROPHORA 
  MASON 
  

  

  Other 
  measurements 
  

  

  59 
  

  

  Patch 
  gives 
  the 
  most 
  compact 
  color 
  description, 
  although 
  it 
  is 
  

   taken 
  from 
  a 
  rather 
  dark 
  specimen. 
  

  

  Apterous 
  viviparous 
  female. 
  — 
  Antennae 
  about 
  as 
  long 
  as 
  body, 
  light 
  

   colored 
  except 
  distal 
  ends 
  of 
  segments 
  and 
  VI, 
  hairs 
  numerous, 
  about 
  

   as 
  long 
  as 
  width 
  of 
  segment, 
  III 
  with 
  13-15 
  sensoria 
  on 
  basal 
  half. 
  

   Beak 
  reaching 
  nearly 
  to 
  third 
  coxae. 
  The 
  only 
  tubercles 
  showing 
  are 
  

   the 
  lateral 
  prothoracic 
  ones. 
  Cornicles 
  very 
  long, 
  not 
  as 
  conspicu- 
  

   ously 
  reticulated 
  as 
  in 
  the 
  alates, 
  somewhat 
  imbricated. 
  Cauda 
  

   small, 
  somewhat 
  constricted. 
  Measurements 
  as 
  follows: 
  

  

  Pergande 
  left 
  the 
  following 
  color 
  description 
  of 
  metatype 
  apterous 
  

   specimens, 
  taken 
  on 
  Rubus 
  strigosus 
  at 
  Minneapolis, 
  Minn., 
  July 
  14, 
  

   1903: 
  "Color 
  greenish 
  yellow, 
  marked 
  with 
  a 
  broad 
  dark 
  green 
  

   median 
  and 
  lateral 
  stripe. 
  Eyes 
  dark 
  brown; 
  nectaries 
  stout 
  and 
  

   dusky. 
  Antennae 
  whitish; 
  apex 
  of 
  jts. 
  3-5 
  and 
  the 
  last 
  black 
  

   femora 
  pale 
  bluish 
  green; 
  tibiae 
  pale 
  yellowish, 
  darkest 
  toward 
  the 
  

   end, 
  tarsi 
  black. 
  Head 
  yellowish, 
  tail 
  greenish, 
  body 
  not 
  or 
  but 
  

   faintly 
  pruinous." 
  

  

  