﻿REPORT 
  OF 
  THE 
  STATE 
  ENTOMOLOGIST 
  I908 
  Si 
  

  

  gg 
  Antennal 
  funicle 
  with 
  outer 
  segments 
  scarcely 
  broader; 
  

  

  coxae 
  very 
  narrowly 
  separated 
  Chactophloeiis 
  Lee. 
  

  

  if 
  Front 
  coxae 
  contiguous 
  

  

  g 
  Eyes 
  emarginate 
  or 
  sinuate 
  in 
  front; 
  prosternum 
  in 
  front 
  of 
  

  

  coxae 
  very 
  short 
  or 
  obsolete 
  ; 
  antennal 
  club 
  oval-elongate 
  

  

  h 
  Antennal 
  club 
  with 
  3 
  segments 
  ; 
  eyes 
  emarginate 
  in 
  front 
  ; 
  

  

  foretibiae 
  with 
  very 
  few 
  teeth 
  on 
  the 
  outer 
  margin 
  

  

  Carphoborus 
  Eich. 
  

  

  hh 
  Antennal 
  club 
  with 
  4 
  segments 
  ; 
  eyes 
  sinuate 
  rather 
  than 
  

  

  emarginate 
  in 
  front 
  ; 
  foretibiae 
  with 
  a 
  row 
  of 
  stout 
  

  

  teeth 
  on 
  the 
  outer 
  margin 
  Renocis 
  Casey 
  

  

  gg 
  Eyes 
  entire 
  ; 
  prosternum 
  distinct 
  in 
  front 
  of 
  the 
  coxae 
  ; 
  an- 
  

   tennal 
  club 
  subcircular 
  [pi. 
  7, 
  fig. 
  20 
  ; 
  pi. 
  10, 
  fig. 
  28] 
  

  

  Dendroctonus 
  Erich. 
  

   dd 
  Antennal 
  club 
  not 
  strongly 
  compressed, 
  subglobular 
  or 
  conical 
  

   e 
  I 
  St, 
  2d 
  and 
  5th 
  ventral 
  segments 
  of 
  the 
  abdomen 
  subequal 
  in 
  

   length, 
  3d 
  and 
  4th 
  segments 
  shorter 
  ; 
  forecoxae 
  widely 
  sepa- 
  

   rated 
  [pi. 
  II, 
  fig. 
  34] 
  

   f 
  Antennal 
  club 
  with 
  the 
  ist 
  and 
  2d 
  segments 
  subequal 
  in 
  length, 
  

  

  each 
  as 
  long 
  as 
  segments 
  3 
  and 
  4 
  united 
  [pi. 
  12, 
  fig. 
  39] 
  

  

  Hylastinus 
  Bedel 
  

   if 
  Antennal 
  club 
  with 
  the 
  ist 
  segment 
  much 
  longer 
  than 
  the 
  2d, 
  

  

  nearly 
  as 
  long 
  as 
  segments 
  2, 
  3 
  and 
  4 
  united 
  Scierus 
  Lee. 
  

  

  ce 
  1st 
  and 
  5th 
  ventral 
  segments 
  distinctly 
  longer 
  than 
  the 
  others 
  ; 
  

   forecoxae 
  narrowly 
  separated 
  or 
  contiguous 
  [pi. 
  11, 
  fig. 
  2)2^ 
  

   f 
  Mesosternum 
  protuberant; 
  3d 
  tarsal 
  segment 
  dilated 
  and 
  

   bilobed 
  ; 
  elytra 
  separately 
  rounded 
  at 
  the 
  base 
  [pi. 
  8, 
  fig. 
  23 
  : 
  

  

  pi. 
  II, 
  fig. 
  31, 
  35, 
  36] 
  Hylurgops 
  Lee. 
  

  

  if 
  Mesosternum 
  not 
  protuberant 
  ; 
  3d 
  tarsal 
  segment 
  subequal 
  in 
  

  

  width 
  to 
  the 
  2d, 
  emarginate 
  rather 
  than 
  bilobed; 
  bases 
  of 
  

  

  elytra 
  in 
  a 
  nearly 
  straight 
  line 
  not 
  separately 
  rounded 
  [pi. 
  9, 
  

  

  fig. 
  22; 
  pi. 
  II, 
  fig. 
  32, 
  2>7^ 
  Tomicus 
  Latr., 
  1802 
  

  

  (Hylastes 
  Erich.) 
  

  

  Genera 
  of 
  the 
  Ipinae 
  

  

  a 
  Antennal 
  funicle 
  with 
  less 
  than 
  6 
  segments 
  

   h 
  Antennal 
  club 
  pubescent 
  on 
  both 
  sides 
  

  

  c 
  Antennal 
  club 
  annulated 
  on 
  both 
  sides 
  ; 
  e3-es 
  not 
  completely 
  divided 
  

   d 
  Antennal 
  funicle 
  with 
  only 
  one 
  segment 
  [pi. 
  4, 
  fig. 
  8] 
  

   e 
  Body 
  robust; 
  foretibiae 
  without 
  transverse 
  ridges 
  on 
  outer 
  side.. 
  

  

  Corthylus 
  Erich. 
  

   ce 
  Body 
  slender; 
  foretibiae 
  with 
  transverse 
  ridges 
  on 
  the 
  outer 
  side 
  

  

  [pi. 
  5, 
  fig. 
  11] 
  Pterocyclon 
  Eich. 
  

  

  dd 
  Antennal 
  funicle 
  with 
  more 
  than 
  i 
  segment 
  

  

  e 
  Prothorax 
  wider 
  than 
  long 
  Hypothcncmus 
  Westw. 
  

  

  ce 
  Prothorax 
  longer 
  than 
  wide 
  

  

  / 
  Maxillary 
  lobe 
  pilose, 
  without 
  radiating 
  spines 
  on 
  outer 
  edge 
  ; 
  

  

  woodborers 
  [pi. 
  6. 
  fig. 
  1=;] 
  Gnathotrichus 
  Eich. 
  

  

  ff 
  Maxillary 
  lobe, 
  with 
  radiating 
  spines 
  on 
  the 
  outer 
  edge 
  ; 
  bark 
  

   borers 
  [pi. 
  6, 
  fig. 
  14] 
  

  

  