﻿' 
  60 
  [Senate 
  

  

  Thrle-spotted 
  Pediopsis, 
  *P. 
  trimaculatus. 
  Bull 
  brown 
  ; 
  scutel 
  

   with 
  a 
  black 
  spot 
  at 
  each 
  angle, 
  the 
  posterior 
  one 
  some- 
  

   times 
  obsolete 
  ; 
  elytra 
  with 
  pellucid 
  white 
  spots 
  situated 
  

   one 
  on 
  the 
  apex, 
  one 
  on 
  the 
  disk, 
  and 
  a 
  third 
  anteriorly, 
  

   scutellar 
  region 
  obscure 
  cinereous; 
  face 
  whitish. 
  Length, 
  

   0-18. 
  No. 
  785, 
  female. 
  

  

  ATHYSANUS. 
  Bttrm. 
  

  

  To 
  this 
  genus 
  we 
  refer 
  those 
  species 
  which 
  differ 
  from 
  Macrop- 
  

   sis 
  and 
  Pediopsis 
  in 
  having 
  the 
  ocelli 
  between 
  the 
  vertex 
  and 
  the 
  

   face, 
  and 
  from 
  Jassus 
  in 
  having 
  the 
  elytral 
  suture 
  straight. 
  

  

  Variable 
  Athysanus, 
  *A. 
  variahilis. 
  Sulphur-yellow; 
  elytra 
  

   commonly 
  with 
  an 
  oblique 
  black 
  vitta, 
  their 
  tips 
  pellu- 
  

   cid 
  ; 
  vertex, 
  thorax 
  and 
  scutel 
  often 
  fulvous 
  or 
  black. 
  

   Length, 
  • 
  20. 
  Abundant 
  on 
  birch 
  trees, 
  in 
  June. 
  No. 
  

   786, 
  female. 
  

  

  Var. 
  a. 
  Dull 
  yellowish- 
  white 
  throughout. 
  No. 
  787. 
  

   h. 
  Bright 
  sulphur-yellow 
  throughout. 
  No. 
  788. 
  

  

  c. 
  An 
  oblique 
  black 
  stripe 
  on 
  each 
  elytron. 
  No. 
  

  

  789. 
  

  

  d. 
  Vertex, 
  thorax 
  and 
  scutel 
  tawny 
  yellow. 
  No. 
  

  

  790. 
  

  

  e. 
  Vertex 
  and 
  thorax 
  tawny 
  yellow, 
  scutel 
  black. 
  

  

  No. 
  791. 
  

   /. 
  Vertex, 
  thorax 
  and 
  scutel 
  black. 
  No. 
  792. 
  

  

  Spruce-tree 
  Athysanus, 
  *^ 
  ahietis. 
  Black, 
  shining; 
  head 
  light 
  

   yellow, 
  mouth 
  and 
  two 
  bands 
  on 
  the 
  vertex 
  confluent 
  

   at 
  their 
  ends, 
  black 
  ; 
  middle 
  of 
  the 
  sutural 
  edge 
  of 
  the 
  

   elytra 
  with 
  a 
  white 
  streak. 
  Length, 
  0-20. 
  Taken 
  on 
  the 
  

   black 
  spruce. 
  No. 
  793, 
  female. 
  

  

  Windowed 
  Athysanus, 
  *A 
  fcncstrahis. 
  Brownish-black 
  ; 
  face 
  

   and 
  scutel 
  rufous 
  ; 
  elytra 
  each 
  with 
  a 
  pellucid 
  spot 
  near 
  

   the 
  apex, 
  another 
  on 
  tlie 
  disk, 
  and 
  a 
  third 
  opposite 
  this 
  

   last 
  on 
  the 
  sutural 
  margin. 
  Length 
  0-20. 
  On 
  birch 
  trees. 
  

   No. 
  794, 
  female. 
  

  

  Smaller 
  Athysanus, 
  * 
  A. 
  miner. 
  Cinnamon-yellow; 
  elytra 
  with 
  

   a 
  discoidal 
  and 
  large 
  apical 
  spot 
  hyaline. 
  Length, 
  0-18. 
  

   Common 
  on 
  birch 
  trees. 
  No. 
  795, 
  female. 
  

  

  