﻿REVISION 
  OP 
  THE 
  CICINDEL.E 
  OF 
  THE 
  UNITED 
  STATES. 
  29 
  

  

  sions. 
  Abnormal 
  variations 
  occur 
  by 
  tbe 
  elytra 
  becoming 
  narrowed 
  anteriorly, 
  without 
  

   humeral 
  angles, 
  (group 
  xxrv. 
  ;) 
  by 
  the 
  thorax 
  being 
  narrow 
  and 
  cylindrical, 
  with 
  only 
  

   faint 
  impressions 
  (group 
  xxrv.;) 
  by 
  the 
  eyes 
  being 
  excessively 
  large, 
  (groups 
  xi., 
  xn., 
  

   xiii., 
  xix., 
  xxi., 
  xxn., 
  xxiv.;) 
  and 
  by 
  the 
  elytra 
  being 
  subcylindrical, 
  instead 
  of 
  mode- 
  

   rately 
  convex 
  and 
  oval, 
  (groups 
  xn., 
  xxi., 
  xxn., 
  xxm.) 
  

  

  A. 
  Abnormal 
  cylindrical 
  Cicindeloe, 
  with 
  sericeous 
  surface, 
  and 
  with 
  the 
  labrum 
  variegated 
  or 
  black, 
  frequently 
  

   5-toothed, 
  with 
  prominent 
  -exterior 
  angles; 
  the 
  elytra 
  are 
  marked 
  with 
  narrow 
  vittaj, 
  and 
  small 
  sutural 
  dots, 
  or 
  

   else 
  with 
  normal 
  spots, 
  the 
  apical 
  portion 
  of 
  the 
  apical 
  lunule 
  being 
  always 
  wanting. 
  The 
  head 
  is 
  large, 
  with 
  

   moderate, 
  but 
  occasionally 
  prominent 
  eyes. 
  The 
  palpi 
  are 
  pale 
  with 
  dark 
  tips. 
  The 
  legs 
  and 
  abdomen 
  are 
  always 
  

   of 
  the 
  colour 
  of 
  the 
  body, 
  which 
  is 
  not 
  very 
  pubescent. 
  The 
  tarsi 
  are 
  glabrous 
  above, 
  and 
  the 
  anterior 
  of 
  the 
  

   male 
  are 
  moderately 
  dilated. 
  (All 
  foreign.) 
  

  

  a. 
  Elytra 
  with 
  vittiform 
  markings, 
  and 
  subsutural 
  dots. 
  C. 
  lugubris, 
  fatidica, 
  &e. 
  

  

  b. 
  Elytra 
  with 
  marginal 
  spots, 
  and 
  frequently 
  with 
  slightly 
  bent 
  medial 
  band. 
  C. 
  chinensis, 
  &o. 
  

  

  B. 
  Normal, 
  frequently 
  flattened, 
  Cicindelai, 
  with 
  the 
  labrum 
  frequently 
  large; 
  sub-5-dentate 
  in 
  some 
  species, 
  

   (of 
  the 
  first 
  group,) 
  with 
  the 
  outer 
  angles 
  not 
  prominent; 
  usually 
  white, 
  rarely 
  black, 
  usually 
  tridentate, 
  but 
  some- 
  

   times 
  only 
  unidentate. 
  Front 
  broad, 
  eyes 
  moderate, 
  sometimes 
  prominent. 
  Elytra 
  usually 
  sericeous, 
  rarely 
  po- 
  

   lished, 
  sometimes 
  punctured; 
  apical 
  spot 
  usually 
  wanting; 
  tips 
  never 
  serrate; 
  sutural 
  spine 
  completely 
  wanting. 
  

   Thorax 
  flattened, 
  almost 
  margined, 
  narrowed 
  behind. 
  Under 
  surface 
  normal 
  in 
  colour; 
  legs 
  never 
  very 
  long. 
  

   Tarsi 
  of 
  male 
  more 
  broadly 
  dilated 
  than 
  usual. 
  

  

  I. 
  Surface 
  sericeous, 
  elytra 
  only 
  punctured 
  towards 
  the 
  base, 
  (spots 
  usually 
  wanting.) 
  Sp. 
  l-o. 
  C. 
  prasina, 
  

  

  obsolcta, 
  vulturina. 
  

   II. 
  Front 
  flat, 
  labrum 
  tridentate. 
  Elytra 
  foveate 
  and 
  punctured. 
  Sp. 
  4. 
  C. 
  unipunctata. 
  

  

  III. 
  Front 
  excavated, 
  labrum 
  unidentate. 
  Elytra 
  foveate 
  and 
  punctured. 
  Sp. 
  5. 
  C. 
  longilabris. 
  

  

  IV. 
  Labrum 
  very 
  short, 
  tridentate; 
  elytra 
  with 
  shallow 
  punctures 
  and 
  subsutural 
  foveas; 
  thorax 
  hardly 
  ru- 
  

  

  gous. 
  Sp. 
  6-10. 
  C. 
  pulchra, 
  Lecontei, 
  rugifrons, 
  scutellaris, 
  nigroccerulea. 
  

   (Here 
  comes 
  in 
  a 
  group 
  of 
  elongate 
  species 
  of 
  normal 
  form, 
  but 
  with 
  very 
  large 
  head, 
  small 
  eyes, 
  and 
  long, 
  

   trapezoidal, 
  somewhat 
  flattened 
  thorax: 
  e.g., 
  C. 
  luctuosa 
  DtjJ) 
  

  

  C. 
  Normal, 
  usually 
  convex 
  Cieindelre, 
  with 
  the 
  labrum 
  white, 
  tridentate 
  or 
  unidentate, 
  with 
  the 
  outer 
  angles 
  

   not 
  prominent, 
  and 
  only 
  moderate 
  in 
  size. 
  Front 
  broad, 
  eyes 
  prominent, 
  but 
  moderate 
  in 
  size. 
  Elytra 
  punctured, 
  

   sometimes 
  granulate, 
  rarely 
  polished; 
  sutural 
  spine 
  distinct; 
  tips 
  alike 
  in 
  both 
  sexes, 
  usually 
  serrate, 
  but 
  some- 
  

   times 
  smooth; 
  elytra 
  with 
  normal 
  markings, 
  the 
  apical 
  portion 
  of 
  the 
  posterior 
  lunule 
  never 
  wanting, 
  unless 
  the 
  

   whole 
  lunule 
  is 
  wanting. 
  Under 
  surface 
  and 
  legs 
  normal 
  in 
  colour, 
  the 
  latter 
  never 
  very 
  long. 
  Tarsi 
  of 
  males 
  

   rather 
  broadly 
  dilated. 
  Thorax 
  trapezoidal 
  or 
  quadrate, 
  never 
  cylindrical; 
  posterior 
  angles 
  usually 
  a 
  little 
  elevated. 
  

  

  V. 
  Thorax 
  convex, 
  rugous; 
  front 
  glabrous; 
  elytra 
  finely 
  serrulate, 
  punctured. 
  Body 
  only 
  slightly 
  hairy 
  be- 
  

   neath. 
  Palpi 
  of 
  both 
  sexes 
  black. 
  

  

  a. 
  Labrum 
  tridentate. 
  Sp. 
  11, 
  12. 
  C. 
  sexguttata, 
  patruela. 
  

   [ 
  J3. 
  Labrum 
  unidentate. 
  C. 
  tricolor, 
  j 
  

   VI. 
  Thorax 
  short, 
  flat, 
  trapezoidal, 
  rugous; 
  front 
  hairy; 
  elytra 
  with 
  elevated 
  punctures, 
  not 
  serrate; 
  humeral 
  

   lunule 
  interrupted 
  ; 
  palpi 
  of 
  both 
  sexes 
  black. 
  

   \y. 
  Elytra 
  equably 
  punctured. 
  C. 
  campestris, 
  desertorum. 
  &c. 
  \ 
  

   S. 
  Elytra 
  less 
  punctured 
  towards 
  the 
  margin. 
  Sp. 
  13, 
  14. 
  C. 
  splendida, 
  purpurea. 
  

  

  