﻿MELOLONTHIDiE 
  OF 
  THE 
  UNITED 
  STATES. 
  241 
  

  

  The 
  inner 
  posterior 
  spur 
  of 
  the 
  same 
  sex 
  is 
  fixed, 
  very 
  small, 
  and 
  sometimes 
  vanishes 
  

   entirely. 
  The 
  ungues 
  are 
  armed 
  with 
  a 
  short 
  acute 
  tooth 
  just 
  hehind 
  the 
  middle. 
  

   The 
  legs, 
  and 
  especially 
  the 
  tarsi 
  of 
  the 
  male 
  are 
  longer 
  than 
  usual. 
  

  

  8. 
  L. 
  latifrons, 
  cylindrica, 
  purpureo-nigra, 
  nitida, 
  clypeo 
  rotundato 
  marginato, 
  ad 
  apicem 
  proruinulo, 
  

   capite 
  thoracequc 
  minus 
  dense 
  punctatis, 
  elytris 
  subpruinosis 
  fortius 
  punctatis, 
  obsolete 
  eostatis,antcn- 
  

   nis 
  palpisque 
  rufis. 
  Long. 
  r 
  GG 
  — 
  70. 
  

  

  New 
  York 
  ; 
  only 
  females 
  seen. 
  Larger 
  than 
  the 
  other 
  species 
  of 
  this 
  group, 
  above 
  

   and 
  beneath 
  of 
  a 
  shining 
  purplish 
  black 
  ; 
  antennae 
  and 
  palpi 
  pale, 
  tarsi 
  dark 
  rufous. 
  

   Head 
  flat, 
  not 
  densely 
  punctured 
  ; 
  clypeus 
  longer 
  than 
  usual, 
  more 
  closely 
  punctured 
  

   than 
  the 
  head, 
  rounded, 
  narrowly 
  margined 
  on 
  the 
  sides, 
  more 
  broadly 
  in 
  front, 
  with 
  

   the 
  apex 
  prominent 
  in 
  a 
  very 
  slight 
  angle. 
  Eyes 
  small, 
  distant. 
  Thorax 
  one 
  third 
  

   wider 
  than 
  the 
  head, 
  and 
  punctured 
  like 
  it. 
  Elytra 
  slightly 
  pruinose, 
  strongly 
  

   punctured, 
  with 
  faint 
  traces 
  of 
  the 
  costse. 
  Breast 
  strongly 
  densely 
  punctured, 
  clothed 
  

   with 
  sparse 
  short 
  whitish 
  hair. 
  Abdomen 
  sparsely 
  but 
  strongly 
  punctured 
  at 
  the 
  

   sides 
  and 
  apex 
  ; 
  penultimate 
  segment 
  faintly 
  transversely 
  impressed. 
  Pygidium 
  

   tolerably 
  densely 
  punctured. 
  Spurs 
  of 
  posterior 
  tibiae 
  (female) 
  long 
  and 
  nearly 
  

   equal. 
  

  

  9. 
  L. 
  cerasina, 
  cylindrica, 
  purpureorufa, 
  paruni 
  nitida, 
  capite 
  parcius 
  punctato, 
  clypeo 
  fortius 
  

   marginato, 
  late 
  subemarginato, 
  thorace 
  elytrisque 
  modice 
  punctatis, 
  his 
  subcostatis. 
  Long. 
  -(35. 
  

  

  One 
  male, 
  Georgia. 
  Similar 
  in 
  form 
  to 
  the 
  preceding, 
  but 
  with 
  the 
  sides 
  of 
  the 
  

   thorax 
  less 
  rounded 
  ; 
  uniform 
  purplish 
  rufous, 
  not 
  very 
  shining. 
  Head 
  and 
  clypeus 
  

   sparsely, 
  not 
  strongly 
  punctured, 
  the 
  latter 
  strongly 
  margined, 
  very 
  broadly 
  but 
  

   faintly 
  emarginate, 
  so 
  as 
  to 
  appear 
  scarcely 
  more 
  than 
  truncate 
  at 
  tip. 
  Thorax 
  

   moderately 
  punctured. 
  Elytra 
  rather 
  more 
  strongly 
  punctured 
  than 
  the 
  thorax, 
  

   with 
  faint 
  traces 
  of 
  costoa. 
  Propygidium 
  punctured 
  at 
  tip. 
  Pygidium 
  finely 
  punc- 
  

   tured. 
  Breast 
  densely 
  punctured, 
  clothed 
  with 
  fine 
  short 
  hair. 
  Sides 
  of 
  the 
  abdomen 
  

   finely 
  and 
  sparsely 
  punctured. 
  

  

  Male 
  with 
  the 
  club 
  of 
  the 
  antenna; 
  much 
  longer 
  than 
  the 
  stem, 
  and 
  the 
  abdomen 
  

   faintly 
  channeled 
  ; 
  the 
  penultimate 
  segment 
  has 
  a 
  faint 
  posterior 
  excavation 
  at 
  the 
  

   middle, 
  and 
  two 
  transverse 
  obtuse 
  elevations 
  ; 
  the 
  last 
  segment 
  is 
  deeply 
  foveate 
  and 
  

   rises 
  at 
  the 
  tip 
  into 
  two 
  slight 
  cusps; 
  the 
  outer 
  spur 
  of 
  the 
  posterior 
  tibia; 
  is 
  long 
  and 
  

   slender 
  ; 
  the 
  inner 
  one 
  is 
  completely 
  wanting. 
  

  

  10. 
  L. 
  e 
  p 
  h 
  i 
  1 
  i 
  d 
  a 
  , 
  cylindrica 
  rufo-tcstacca 
  nitida, 
  capite 
  thoracequc 
  obscurioribus, 
  illo 
  dense 
  fere 
  con- 
  

   flucnter 
  punctato, 
  clypeo 
  fortius 
  marginato, 
  late 
  cmarginato, 
  thorace 
  sat 
  dense, 
  elytris 
  fortius 
  punctatis, 
  

   obsolete 
  costatis. 
  Long. 
  '70. 
  

   Melolontha 
  ephilida 
  Say, 
  Journ. 
  Acad. 
  Nat. 
  Sc. 
  5, 
  196. 
  

   Trichestes 
  epMlidia 
  L'urm. 
  Laincll. 
  "-', 
  2d, 
  359. 
  

  

  Georgia 
  and 
  New 
  York 
  ; 
  only 
  males 
  observed. 
  Differs 
  from 
  the 
  next 
  by 
  the 
  more 
  

   densely 
  and 
  finely 
  punctured 
  head, 
  less 
  deeply 
  emarginate 
  clypeus, 
  and 
  by 
  the 
  some- 
  

   what 
  more 
  robust 
  form. 
  

  

  62 
  

  

  