﻿ART. 
  20 
  

  

  THE 
  APHID 
  GENUS 
  AMPHOROPHORA 
  MASON 
  

  

  29 
  

  

  Cotypes. 
  — 
  Alate 
  viviparous 
  female 
  deposited 
  in 
  the 
  U. 
  S. 
  National 
  

   Museum, 
  Cat. 
  No. 
  26375, 
  in 
  the 
  Maine 
  Agricultural 
  Experiment 
  

   Station 
  and 
  in 
  the 
  collection 
  of 
  Harold 
  Morrison. 
  Paracotype 
  slides 
  

   of 
  the 
  male 
  and 
  oviparous 
  female, 
  which 
  are 
  a 
  part 
  of 
  the 
  Swain 
  collec- 
  

   tion, 
  are 
  returned 
  to 
  Stanford 
  University. 
  

  

  AMPHOROPHORA 
  ESSIGWANAI, 
  new 
  name 
  

  

  Figs. 
  101-108 
  

  

  Rhopalosiphum 
  indicum 
  v. 
  d. 
  Goot 
  of 
  Essig 
  and 
  Kuwana, 
  Proc. 
  Cal. 
  Acad. 
  

   Sci., 
  vol. 
  8, 
  no. 
  3, 
  1918, 
  p. 
  55. 
  

  

  In 
  1916 
  Van 
  der 
  Goot 
  described 
  and 
  figured 
  his 
  Rhopalosiphum 
  

   indicum 
  from 
  the 
  apterous 
  form 
  only, 
  taken 
  on 
  an 
  unknown 
  host 
  

   plant. 
  In 
  1917 
  he 
  described 
  the 
  alate 
  form 
  of 
  what 
  he 
  considered 
  to 
  

   oe 
  the 
  same 
  species, 
  taken 
  apparently 
  on 
  the 
  wing. 
  Both 
  of 
  these 
  

   collections 
  were 
  made 
  in 
  India. 
  In 
  1918 
  Essig 
  and 
  Kuwana, 
  not 
  

   having 
  received 
  the 
  above 
  description 
  of 
  the 
  alate, 
  described 
  the 
  

   alate 
  form 
  of 
  what 
  they 
  considered 
  to 
  be 
  this 
  species, 
  taken 
  on 
  Eus 
  

   caphis 
  japonica 
  and 
  Staphylea 
  bumalda 
  in 
  Japan. 
  The 
  two 
  descrip- 
  

   tions 
  apparently 
  do 
  not 
  refer 
  to 
  the 
  same 
  species. 
  Essig 
  kindly 
  

   loaned 
  me 
  some 
  of 
  his 
  specimens. 
  I 
  also 
  have 
  specimens 
  sent 
  by 
  

   Takahashi 
  taken 
  in 
  Formosa 
  on 
  an 
  unknown 
  host 
  and 
  determined 
  

   by 
  him 
  as 
  indicum 
  v. 
  d. 
  Goot. 
  They 
  are 
  most 
  certainly 
  different 
  from 
  

   Essig 
  and 
  Kuwana's 
  specimens, 
  and 
  they 
  agree 
  very 
  well 
  with 
  Van 
  

   der 
  Goot's 
  description. 
  Van 
  der 
  Goot's 
  description 
  of 
  the 
  alate 
  

   must 
  be 
  accepted 
  as 
  indicum 
  until 
  proven 
  otherwise, 
  and 
  I 
  am 
  

   referring 
  Takahashi's 
  specimens 
  to 
  this 
  species. 
  A 
  new 
  name 
  must 
  

   therefore 
  be 
  given 
  to 
  Essig 
  and 
  Kuwana's 
  species 
  and 
  I 
  here 
  propose 
  

   essigwanai. 
  I 
  am 
  removing 
  indicum 
  v. 
  d. 
  Goot 
  from 
  the 
  genus 
  

   Amphorophora, 
  where 
  it 
  was 
  placed 
  by 
  Takahashi, 
  as 
  it 
  is 
  not 
  

   typical. 
  

  

  In 
  1918 
  Matsumura 
  described 
  his 
  Rhopalosiphum 
  miniatum, 
  which 
  

   Takahashi 
  says 
  is 
  synonymous 
  with 
  indicum 
  v. 
  d. 
  Goot. 
  I 
  have 
  not 
  

   seen 
  it, 
  but 
  I 
  am 
  accepting 
  Takahashi 
  and 
  am 
  not 
  considering 
  it 
  in 
  

   connection 
  with 
  the 
  Amphorophora. 
  

  

  The 
  following 
  descriptions 
  and 
  the 
  drawings 
  are 
  made 
  from 
  the 
  

   specimens 
  furnished 
  by 
  Essig. 
  

  

  