﻿4S2 
  REVISION 
  OF 
  THE 
  ELATER1D.E 
  

  

  The 
  latter 
  division 
  differs 
  from 
  Cryptohypnus, 
  by 
  the 
  presternum 
  not 
  being 
  dilated 
  in 
  

   the 
  middle, 
  by 
  the 
  tarsi 
  not 
  being 
  furnished 
  with 
  long 
  bristles, 
  and 
  by 
  the 
  coxal 
  plates 
  being 
  

   less 
  dilated. 
  

  

  A. 
  Tarsi 
  arliculo 
  4 
  1 
  " 
  loho 
  dilatato 
  instructo. 
  

  

  1. 
  M. 
  1 
  i 
  v 
  i 
  d 
  u 
  s 
  , 
  fuscus 
  pube 
  densa 
  pallide 
  cinereo-fusca 
  vestitus, 
  thorace 
  elongato, 
  antrorsum 
  an- 
  

   gustato, 
  lateribus 
  late 
  rotundatis, 
  angulis 
  posticis 
  divergentibus, 
  elytris 
  striis 
  punctatis, 
  antennis 
  tes- 
  

   taceis, 
  pedibus 
  pallidis. 
  Long. 
  -5 
  — 
  -7. 
  

  

  Elater 
  lividus 
  De 
  Geer, 
  Ins. 
  4, 
  162; 
  tab. 
  18, 
  fig. 
  13. 
  

  

  Mater 
  castanipes 
  JHerbst, 
  Kafer, 
  10, 
  23; 
  tab. 
  160, 
  fig. 
  5. 
  

  

  Elater 
  hiatus 
  Say, 
  Journ. 
  Acad. 
  Nat. 
  Sc. 
  3, 
  175; 
  Trans. 
  Am. 
  Phil. 
  Soc. 
  6, 
  174. 
  

  

  Monocrepidius 
  hiatus 
  Germ. 
  Zeitschr. 
  1, 
  228. 
  

  

  Middle 
  and 
  Southern 
  States. 
  De 
  Geer's 
  figure 
  and 
  description 
  cannot 
  possibly 
  refer 
  to 
  

   any 
  other 
  North 
  American 
  species: 
  in 
  a 
  report 
  upon 
  the 
  Coleoptera 
  described 
  byBeauvois, 
  

   by 
  M. 
  Chevrolat, 
  (Ann. 
  Ent. 
  Soc. 
  France, 
  Sept. 
  1852,) 
  the 
  name 
  of 
  De 
  Geer 
  is 
  given 
  to 
  

   Elater 
  elongatus 
  Bcauv., 
  a 
  species 
  mentioned 
  as 
  occurring 
  in 
  Hayti: 
  as, 
  however, 
  De 
  

   Geer 
  states 
  that 
  his 
  specimens 
  came 
  from 
  Pennsylvania, 
  it 
  is 
  obviously 
  imprudent 
  to 
  ap- 
  

   ply 
  his 
  specific 
  name 
  to 
  a 
  West 
  Indian 
  species, 
  until 
  specimens 
  from 
  different 
  localities 
  

   have 
  been 
  compared, 
  and 
  their 
  identity 
  fully 
  shown. 
  The 
  female 
  is 
  larger 
  and 
  more 
  robust 
  

   than 
  the 
  male, 
  and 
  has 
  the 
  sides 
  of 
  the 
  thorax 
  more 
  rounded 
  anteriorly. 
  Germar 
  places 
  

   this 
  among 
  the 
  species 
  that 
  have 
  the 
  elytra 
  armed 
  with 
  an 
  apical 
  spine, 
  but 
  there 
  is 
  no 
  such 
  

   character 
  to 
  be 
  seen 
  in 
  any 
  of 
  my 
  specimens. 
  

  

  2. 
  M. 
  a 
  v 
  e 
  r 
  s 
  u 
  s 
  , 
  fuscus, 
  elongatus, 
  pube 
  densa 
  subcinerea 
  brevissima 
  vestitus, 
  thorace 
  infra 
  flavo- 
  

   marginato, 
  elongato, 
  lateribus 
  vix 
  rotundato, 
  basi 
  flava, 
  angulis 
  posticis 
  non 
  divaricatis, 
  elytris 
  striis 
  

   punctatis, 
  scutello, 
  antennis, 
  pedibusque 
  flavo-testaceis. 
  Long. 
  -36. 
  

  

  Georgia, 
  rare. 
  The 
  body 
  is 
  entirely, 
  finely 
  and 
  densely 
  punctulate, 
  as 
  in 
  the 
  preceding 
  

   species; 
  the 
  pubescence 
  is 
  very 
  short 
  and 
  depressed, 
  hardly 
  altering 
  the 
  general 
  colour 
  of 
  

   the 
  insect. 
  

  

  3. 
  M. 
  suturalis, 
  fuscus, 
  tenuiter 
  cinereo-pubescens, 
  thorace 
  testaceo, 
  linea 
  dorsali 
  fusca, 
  elon- 
  

   gato, 
  lateribus 
  late 
  rotundatis, 
  punctato, 
  elytris 
  parallelis, 
  testaceis, 
  vitta 
  communi 
  suturali 
  ad 
  basin 
  

   et 
  versus 
  apicem 
  latiore, 
  margineque 
  pone 
  medium 
  fuscis, 
  striis 
  punctatis, 
  interstitiis 
  subtilissime 
  punc- 
  

   tulatis, 
  antennis 
  pedibusque 
  flavis. 
  Long. 
  -27. 
  

  

  A 
  specimen 
  from 
  Alabama, 
  communicated 
  by 
  Dr. 
  Harris, 
  under 
  the 
  name 
  adopted. 
  

   This 
  species 
  is 
  very 
  distinct 
  from 
  the 
  two 
  preceding 
  by 
  the 
  distinct 
  punctures 
  of 
  the 
  tho- 
  

   rax. 
  The 
  head 
  is 
  fuscous, 
  with 
  the 
  palpi 
  and 
  antennae 
  pale 
  yellow. 
  The 
  under 
  surface 
  

   is 
  fuscous, 
  with 
  the 
  exception 
  of 
  the 
  feet, 
  the 
  anterior 
  margin 
  of 
  the 
  prosternum, 
  and 
  the 
  

   inflexed 
  portion 
  of 
  the 
  prothorax, 
  which 
  are 
  testaceous 
  yellow. 
  

  

  B. 
  Tarsi 
  arliculo 
  4 
  t0 
  lobo 
  angitsto, 
  [frons 
  convexior.) 
  

  

  4. 
  M. 
  s 
  o 
  r 
  d 
  i 
  d 
  u 
  s 
  , 
  fuscus 
  pube 
  subtili 
  sordida 
  dense 
  vestitus, 
  thorace 
  elongato, 
  convexiusculo, 
  la- 
  

   teribus 
  late 
  rotundato, 
  punctato, 
  angulis 
  posticis 
  pallidioribus 
  subdivergentibus, 
  elytris 
  striis 
  punctatis, 
  

   interstitiis 
  vix 
  subtilissime 
  punctulatis, 
  antennis 
  articulo 
  3'° 
  2 
  n(l 
  ° 
  longiore, 
  testaceis, 
  palpis 
  pedibusque 
  

   flavis. 
  Long. 
  -31 
  — 
  -37. 
  

  

  