﻿No. 
  30.] 
  65 
  

  

  FAMILY 
  APHID^. 
  

  

  APHIS. 
  Linn. 
  

  

  Apple-tree 
  Aphis, 
  A. 
  mali, 
  (Fab.) 
  Ent. 
  Syst. 
  iv. 
  216. 
  Com- 
  

   mon 
  on 
  the 
  under 
  side 
  of 
  the 
  leaves 
  and 
  tips 
  of 
  the 
  

   young 
  branches 
  of 
  the 
  apple-tree. 
  No. 
  839, 
  male. 
  

  

  Cherry-tree 
  Aphis, 
  Jl. 
  cerasi, 
  (Fab.) 
  Ent. 
  Syst. 
  iv. 
  211. 
  Com- 
  

   mon 
  on 
  the 
  under 
  side 
  of 
  the 
  leaves 
  of 
  the 
  garden 
  cher- 
  

   ry, 
  [Cerasus 
  vulgaris 
  ^ 
  Mill.) 
  No. 
  840, 
  male. 
  

  

  Cherry-inhabiting 
  Aphis, 
  *J1. 
  cerasicolens. 
  Palegreenish 
  yel- 
  

   low 
  ; 
  antennae 
  and 
  legs 
  black, 
  base 
  of 
  the 
  femurs 
  pallid 
  ; 
  

   nerves 
  of 
  the 
  fore 
  wings 
  dusky, 
  stigma 
  pellucid 
  white 
  ; 
  

   abdominal 
  horns 
  quite 
  short. 
  When 
  irritated, 
  the 
  legs 
  

   and 
  antennae 
  instantly 
  emit 
  from 
  their 
  pores 
  a 
  bluish 
  

   white 
  cotton-like 
  substance, 
  which 
  remains 
  adhering 
  to 
  

   them, 
  resembling 
  fine 
  mould. 
  Length 
  • 
  20 
  to 
  the 
  tips 
  of 
  

   the 
  wings. 
  On 
  the 
  common 
  black-cherry-tree, 
  [Cerasus 
  

   serotina^ 
  DC.) 
  No. 
  841, 
  male. 
  

  

  Berberry 
  Aphis, 
  *A. 
  berberidis. 
  Black 
  ; 
  pectus 
  and 
  abdomen 
  

   pale 
  yellow, 
  tip 
  black 
  ; 
  legs 
  dusky 
  ; 
  larva 
  and 
  pupa 
  pale, 
  

   with 
  a 
  green 
  or 
  black 
  vitta 
  on 
  each 
  side 
  of 
  the 
  back, 
  

   parallel 
  with 
  the 
  outer 
  margin. 
  Length, 
  0-10. 
  On 
  the 
  

   under 
  side 
  of 
  berberry 
  leaves. 
  No. 
  842, 
  male; 
  843, 
  

   female. 
  

  

  Cabbage 
  Aphis, 
  j3. 
  brassiccp^ 
  (Linn.) 
  Syst. 
  Nat. 
  ii. 
  734. 
  Common 
  

   on 
  the 
  under 
  side 
  of 
  cabbage 
  leaves. 
  No. 
  844, 
  male. 
  

  

  Silk- 
  weed 
  Afhis, 
  *A. 
  asclepiadis. 
  Black 
  ; 
  abdomen 
  pale 
  green 
  ; 
  

   sides 
  with 
  two 
  rows 
  of 
  impressed 
  fuscous 
  dots, 
  three 
  in 
  

   the 
  lower, 
  larger, 
  five 
  in 
  the 
  upper; 
  abdominal 
  

   horns 
  nearly 
  equalling 
  the 
  tip 
  ; 
  stigma 
  smoky- 
  whitish 
  ; 
  

   nerves 
  brown 
  ; 
  the 
  costal 
  whitish 
  . 
  Length 
  0-15. 
  On 
  the 
  

   lower 
  surface 
  of 
  young 
  leaves 
  of 
  the 
  common 
  silk- 
  weed. 
  

   No. 
  845, 
  male. 
  

  

  Dogwood-leaf 
  Aphis, 
  *A. 
  cornifoHcB. 
  Apterous 
  females 
  black, 
  

   subpruinose, 
  obovate; 
  legs 
  pale 
  yellow, 
  feet 
  black; 
  

   antennse 
  pale 
  yellow, 
  tips 
  black 
  ; 
  horns 
  nearly 
  equalling 
  

   the 
  truncated 
  tip 
  of 
  the 
  abdomen. 
  Length, 
  0-05, 
  to 
  tip 
  

   of 
  abdomen. 
  On 
  the 
  under 
  surface 
  of 
  the 
  leaves 
  of 
  

   Cornus 
  paniculata. 
  No. 
  846, 
  female. 
  

   [Senate, 
  No. 
  30.] 
  5 
  

  

  