﻿ART. 
  20 
  

  

  THE 
  APHID 
  GENUS 
  AMPHOROPHORA 
  MASON 
  

  

  39 
  

  

  Apterous 
  viviparous 
  female. 
  — 
  Size 
  small, 
  body 
  oval, 
  antennae 
  one 
  

   and 
  one-fourth 
  to 
  one 
  and 
  one-half 
  times 
  as 
  long 
  as 
  body, 
  slender, 
  

   faintly 
  imbricated, 
  hairs 
  small, 
  III 
  with 
  one 
  to 
  six, 
  usually 
  one, 
  small 
  

   circular 
  sensoria 
  near 
  base. 
  Antennal 
  tubercles 
  of 
  moderate 
  size. 
  

   Beak 
  reaching 
  beyond 
  third 
  coxae. 
  Cornicles 
  distinctly 
  but 
  mod- 
  

   erately 
  swollen, 
  distinctly 
  reticulated 
  at 
  tip. 
  Cauda 
  broad, 
  not 
  con- 
  

   stricted, 
  three 
  sets 
  of 
  lateral 
  hairs. 
  Measurements 
  as 
  follows". 
  

  

  Antennal 
  segments 
  

  

  No. 
  

  

  1 
  

  

  2 
  

   3 
  

   4 
  

   5 
  

   6 
  

  

  in 
  

  

  0. 
  592 
  

   0. 
  592 
  

   0. 
  624 
  

   0. 
  608 
  

   0. 
  640 
  

   0. 
  624 
  

   0. 
  624 
  

   0. 
  624 
  

   0. 
  496 
  

   0. 
  448 
  

   0. 
  528 
  

   0. 
  544 
  

   0. 
  528 
  

   0. 
  528 
  

  

  0.496 
  

   0. 
  480 
  

   0. 
  480 
  

   0. 
  400 
  

   0. 
  496 
  

   0.496 
  

   0. 
  464 
  

   0. 
  464 
  

   ? 
  

  

  0. 
  352 
  

   0. 
  400 
  

   0. 
  384 
  

   0.384 
  

   0.400 
  

  

  0. 
  480 
  

   0. 
  480 
  

   0.480 
  

   0. 
  448 
  

   ? 
  

  

  0. 
  512 
  

   0.480 
  

   0. 
  480 
  

   ? 
  

  

  0. 
  384 
  

   0. 
  400 
  

   0. 
  384 
  

   0. 
  464 
  

   0.464 
  

  

  0. 
  176 
  + 
  0. 
  576 
  

   0. 
  160+0. 
  592 
  

   0. 
  176 
  + 
  0. 
  720 
  

   0. 
  176 
  + 
  0.656 
  

   ? 
  

  

  0. 
  176 
  + 
  0. 
  704 
  

  

  0. 
  192 
  + 
  0.752 
  

  

  0. 
  176 
  + 
  0. 
  720 
  

  

  ? 
  

  

  0. 
  144 
  + 
  0. 
  512 
  

   0. 
  144 
  + 
  0. 
  592 
  

   0. 
  144 
  + 
  0. 
  592 
  

   0. 
  160+0. 
  672 
  

   0. 
  160+0.608 
  

  

  No. 
  

  

  Width 
  

   of 
  head 
  

  

  Cauda 
  

  

  Cornicles 
  

  

  Length 
  

  

  Reticu- 
  

   lated 
  

  

  WideX 
  

  

  Small 
  X 
  

  

  Flange 
  

  

  0. 
  496 
  

   0. 
  480 
  

   0. 
  480 
  

  

  0. 
  224 
  

   0.320 
  

   0. 
  336 
  

  

  0.432 
  

   0.416 
  

   0. 
  480 
  

  

  ? 
  

  

  ? 
  

  

  0. 
  240 
  

  

  0. 
  752 
  

   0. 
  704 
  

   0. 
  736 
  

   0.752 
  

   0. 
  720 
  

   0. 
  704 
  

   0. 
  672 
  

   0. 
  448 
  

   0. 
  480 
  

   0. 
  592 
  

   0. 
  592 
  

   0.624 
  

   0. 
  608 
  

  

  0. 
  080 
  

   0. 
  080 
  

   0. 
  080 
  

   0. 
  080 
  

   0. 
  080 
  

   0. 
  080 
  

   0. 
  080 
  

   0.064 
  

   0. 
  064 
  

   0. 
  080 
  

   0. 
  0S0 
  

   0. 
  096 
  

   0. 
  080 
  

  

  0. 
  112 
  

   0. 
  112 
  

   0. 
  112 
  

   0. 
  112 
  

   0.096 
  

   0. 
  096 
  

   0. 
  128 
  

   0. 
  112 
  

   0. 
  096 
  

   0. 
  128 
  

   0. 
  104 
  

   0. 
  112 
  

   0. 
  112 
  

  

  0. 
  048 
  

   0. 
  056 
  

   0.056 
  

   0. 
  056 
  

   0. 
  048 
  

   0. 
  048 
  

   0. 
  056 
  

   0. 
  048 
  

   0. 
  048 
  

   0. 
  048 
  

   0. 
  048 
  

   0.048 
  

   0. 
  058 
  

  

  0. 
  064 
  

   0. 
  072 
  

   0. 
  072 
  

   0. 
  072 
  

   0. 
  064 
  

   0. 
  064 
  

   0. 
  064 
  

   0. 
  056 
  

   0. 
  064 
  

   0. 
  064 
  

   0. 
  064 
  

   0. 
  064 
  

   0. 
  072 
  

  

  Morrison 
  furnishes 
  the 
  following 
  color 
  description 
  from 
  his 
  note 
  

   files: 
  

  

  "General 
  color 
  green 
  (dark 
  apple 
  to 
  Hooker's 
  green). 
  Head 
  pale 
  

   green. 
  Eyes 
  very 
  dark 
  brown, 
  almost 
  black. 
  Antennal 
  segments 
  

   I 
  and 
  II 
  pale 
  green, 
  slightly 
  yellowish 
  green. 
  Base 
  of 
  III 
  similar, 
  

   remainder 
  black. 
  Thorax 
  dark 
  apple 
  green, 
  shading 
  imperceptibly 
  

   into 
  Hooker's 
  green 
  on 
  the 
  abdomen. 
  Abdomen 
  Hooker's 
  green, 
  

   edges 
  paler. 
  Last 
  segment 
  dark 
  apple 
  green. 
  Cauda 
  apple 
  green. 
  

   Cornicles, 
  base 
  apple 
  green 
  shading 
  into 
  dusky, 
  tips 
  black. 
  Femora 
  

  

  