﻿EXPLANATION 
  OF 
  PLATES. 
  

  

  PLATE 
  IX. 
  

  

  Fig. 
  1. 
  Asemum 
  mcestum 
  : 
  v, 
  under 
  side 
  of 
  thora- 
  

   cic 
  segments, 
  showing 
  the 
  three 
  pairs 
  

   of 
  legs; 
  with 
  the 
  three 
  succeeding 
  

   segments 
  ; 
  lat, 
  lateral 
  view 
  of 
  head, 
  Fig. 
  3. 
  

   three 
  thoracic 
  and 
  1st 
  abdominal 
  seg- 
  

   ments. 
  

  

  Fig. 
  2. 
  Longicom 
  larva, 
  under 
  bark 
  of 
  oak, 
  At- 
  

   lanta, 
  Ga. 
  Length 
  18"^; 
  width 
  of 
  pro- 
  

   thoracic 
  segment 
  5.2"™ 
  : 
  ventral 
  view 
  Fig. 
  4. 
  

   same 
  as 
  dorsal. 
  Body 
  narrowest 
  in 
  

   the 
  middle 
  ; 
  prothoracic 
  segment 
  short 
  

   and 
  very 
  broad 
  ; 
  the 
  elevated 
  areas 
  or 
  

   callosities 
  dark 
  and 
  prominent; 
  an- 
  

   tennas 
  long, 
  4-jointed; 
  2d 
  joint 
  much 
  

   shorter 
  than 
  the 
  1st 
  ; 
  4th 
  joint 
  minute, 
  

  

  C. 
  F. 
  Gissler 
  del. 
  

  

  half 
  as 
  Ions 
  as 
  the 
  3d 
  is 
  thick 
  ; 
  labrum 
  

   rather 
  narrow 
  ; 
  3 
  pairs 
  of 
  short, 
  acute 
  

   thoracic 
  feet. 
  

  

  Longicom 
  larva, 
  under 
  bark 
  of 
  Pinus 
  stro- 
  

   bus, 
  May 
  26. 
  Length, 
  14™™; 
  x, 
  two 
  

   fleshy 
  processes, 
  with 
  homy 
  tips, 
  on 
  

   the 
  median 
  area 
  of 
  tergum 
  of 
  9th 
  ab- 
  

   dominal 
  segment. 
  

  

  Longicom 
  larva, 
  on 
  sweet 
  gum 
  tree 
  (log), 
  

   Houston, 
  Tex. 
  Length, 
  10™™ 
  ; 
  e, 
  end 
  

   of 
  body, 
  showing 
  a 
  curved 
  spine 
  on 
  the 
  

   dorsal 
  side 
  of 
  the 
  9th 
  abdominal 
  seg- 
  

   ment, 
  and 
  on 
  each 
  side 
  of 
  the 
  latter 
  a 
  

   fleshy 
  process 
  with 
  a 
  terminal 
  bristle. 
  

  

  P 
  LATE 
  X. 
  

  

  Fig. 
  1. 
  Orthosoma 
  brunneum: 
  v, 
  under 
  side 
  of 
  

   three 
  thoracic 
  (with 
  feet) 
  and 
  flrst 
  

   two 
  abdominal 
  segments 
  ; 
  lat, 
  side 
  of 
  

   head 
  and 
  four 
  succeeding 
  segments, 
  

   showing 
  the 
  feet; 
  Ibr, 
  labrum 
  and 
  

   clypeus 
  with 
  front 
  edge 
  of 
  epicra- 
  

   nium. 
  

  

  Grissler 
  del 
  

  

  Fig. 
  2. 
  Longicom 
  larva 
  from 
  sycamore: 
  v, 
  under 
  

   side 
  of 
  the 
  three 
  thoracic 
  and 
  four 
  

   basal 
  abdominal 
  s 
  egments. 
  

  

  Fig. 
  3. 
  Pupa 
  of 
  a 
  longicom 
  beetle 
  (Oncideres?} 
  

   found 
  under 
  bark 
  of 
  pin 
  oak, 
  April. 
  

   Length, 
  18™™. 
  ; 
  width 
  of 
  prothoras, 
  

   4.4™™, 
  

  

  PLATE 
  XL 
  

  

  Fig. 
  

  

  Fig. 
  1. 
  Ehagium 
  lineatum, 
  dorsal 
  view: 
  v, 
  under 
  

   side 
  of 
  head 
  and 
  pro- 
  and 
  mesothoracic 
  

   segments 
  ; 
  vms, 
  one 
  of 
  the 
  middle 
  ven- 
  

   tral 
  segments, 
  magnified 
  six 
  times; 
  

   ml, 
  mala 
  of 
  the 
  maxilla. 
  

  

  Fig. 
  2. 
  Ehagium 
  lineatum, 
  vertex, 
  top 
  of 
  head: 
  ep, 
  

   front 
  of 
  epicranium 
  ; 
  oc, 
  eyes 
  ; 
  tly, 
  cly 
  

   pens, 
  membraneous 
  on 
  the 
  edge; 
  eh, 
  

   two 
  chitinous 
  supports 
  of 
  (Ibr) 
  the 
  la- 
  

  

  Gissler 
  del 
  

  

  brum 
  ; 
  ml, 
  mala 
  or 
  single 
  lobe 
  of 
  the 
  

   maxilla 
  ; 
  md, 
  mandible. 
  

   Longicom 
  larva 
  from 
  oak 
  log, 
  Provi- 
  

   dence, 
  May 
  20. 
  v, 
  under 
  side 
  of 
  tho- 
  

   racic 
  segments, 
  showing 
  the 
  legs 
  ; 
  ml, 
  

   ^mala 
  of 
  maxilla 
  ; 
  mx', 
  labium 
  ; 
  sm, 
  

   submentum; 
  m, 
  mentum; 
  lig, 
  ligula. 
  

   Fig. 
  4. 
  Saperda 
  larva 
  from 
  willow. 
  

  

  PLATE 
  XII. 
  

  

  Fig. 
  

  

  Fig. 
  1. 
  Melanophila 
  : 
  Ibr, 
  labrum 
  and 
  front 
  of 
  

   head, 
  with 
  the 
  antennae 
  (ant) 
  ; 
  s', 
  pro- 
  

   thoracic 
  stigma; 
  s, 
  one 
  of 
  the 
  abdom- 
  

   inal 
  stigmata. 
  

  

  Fig. 
  2. 
  Xylotrechus 
  colonus 
  : 
  Zat, 
  side 
  view 
  of 
  head 
  

   and 
  6 
  succeeding 
  segments. 
  

  

  Fig. 
  2a. 
  Xylotrechus 
  colonus, 
  mouth 
  parts: 
  letter- 
  

   ing 
  as 
  in 
  other 
  figures. 
  

  

  Fig. 
  3. 
  Xylotrechus 
  colonus 
  ?, 
  under 
  bark 
  of 
  black 
  

   birch, 
  Providence, 
  May 
  20. 
  

  

  All 
  the 
  figures 
  enlarged 
  

  

  Fig. 
  

  

  Fig. 
  

  

  4. 
  Details 
  of 
  mouth-parts 
  of 
  Saperda 
  larva 
  

  

  from 
  willow 
  trunk, 
  represented 
  at 
  

   Plate 
  XI, 
  Fig. 
  4. 
  

  

  5. 
  Longicom 
  larva 
  found 
  under 
  hemlock 
  

  

  bark. 
  The 
  Glen, 
  N. 
  H., 
  July 
  22. 
  

  

  6. 
  Longicorn 
  larva 
  found 
  under 
  bark 
  of 
  hem- 
  

  

  lock, 
  Bath, 
  Me., 
  July 
  30. 
  Enlarged; 
  

   md,o, 
  outer; 
  md,i, 
  inner 
  side 
  of 
  tlie 
  

   mandible. 
  

  

  Gissler 
  del. 
  

  

  PLATE 
  XIII. 
  

  

  Fig. 
  1. 
  Unknown 
  larva 
  from 
  log 
  of 
  sweet 
  gum 
  

  

  tree, 
  Houston, 
  Tex. 
  

   Fig. 
  2. 
  Pupa, 
  h. 
  Glen, 
  N.H., 
  July 
  22. 
  

   Fig. 
  3. 
  Xestobium 
  ajine, 
  mouth-parts 
  of 
  larva. 
  

  

  (See 
  Bulletin 
  7, 
  U. 
  S 
  Entomological 
  

  

  Commission, 
  p. 
  109.) 
  

   Fig. 
  4. 
  Hylurgops 
  pinif 
  ex, 
  Hn(lmovith--paTts. 
  (See 
  

  

  Bulletin 
  7, 
  TJ. 
  S. 
  Entomological 
  Com- 
  

   mission, 
  pp. 
  177, 
  232.) 
  

  

  Fig. 
  5. 
  Pissodes 
  strobi, 
  larva 
  (9™™ 
  long) 
  and 
  mouth- 
  

   parts. 
  

  

  Fig. 
  6. 
  Pissodes 
  strobi, 
  jmjia. 
  : 
  hd, 
  front 
  of 
  head 
  and 
  

   beak, 
  with 
  antennae 
  ; 
  ab, 
  end 
  of 
  abdo- 
  

   men, 
  with 
  the 
  fleshy 
  lateral 
  processes. 
  

  

  Gissler 
  del. 
  

   (4) 
  

  

  