﻿GENERIC 
  REVISION 
  OF 
  THE 
  OPHIONINI 
  — 
  CUSHMAN 
  4G9 
  

  

  Few 
  species 
  show 
  marked 
  departure 
  from 
  the 
  normal 
  in 
  more 
  than 
  

   one 
  of 
  the 
  characters. 
  

  

  The 
  use 
  of 
  the 
  difTercnt 
  number 
  of 
  scleromcs 
  as 
  a 
  basis 
  for 
  the 
  

   segregation 
  of 
  genera 
  or 
  siii>gcnera, 
  as 
  in 
  the 
  case 
  of 
  Dispilw^ 
  Kriech- 
  

   baumer, 
  IVi^pilu.s 
  Krieclibaumer, 
  and 
  Schizospilu^ 
  Seyrig 
  cannot 
  be 
  

   defended, 
  for 
  it 
  separates 
  closely 
  related 
  species 
  and 
  groups 
  together 
  

   unrelated 
  species. 
  The 
  same 
  is 
  true 
  of 
  so-called 
  genera 
  based 
  on 
  the 
  

   j)osition 
  of 
  the 
  scleromes, 
  such 
  as 
  Amesospiluti 
  P^nderlein, 
  or 
  on 
  the 
  

   form 
  of 
  the 
  basal 
  abscissa 
  of 
  radius, 
  such 
  as 
  Dicamptus 
  Sz6pligeti, 
  or 
  

   of 
  the 
  discocubitus, 
  such 
  as 
  Aioponeura 
  Sz^pligeti. 
  For 
  example, 
  

   from 
  the 
  figures 
  alone 
  in 
  a 
  paper 
  by 
  Seyrig 
  (Mission 
  Scientifique 
  de 
  

   rOmo, 
  vol. 
  3, 
  fasc. 
  18, 
  Ichneumonidae, 
  pt. 
  2, 
  1935, 
  Mus. 
  Nat. 
  Hist. 
  

   iSat.), 
  in 
  which 
  he 
  argues 
  for 
  the 
  division 
  of 
  Enicospilus 
  into 
  three 
  

   genera 
  entirely 
  on 
  the 
  number 
  and 
  position 
  of 
  the 
  alar 
  scleromes, 
  it 
  

   seems 
  quite 
  obvious 
  that 
  Enicospilus 
  mediv-s 
  Seyrig, 
  E. 
  mollis 
  Seyrig, 
  

   Amesospilus 
  Justus 
  Seyrig, 
  and 
  A. 
  rupeus 
  Se3^rig 
  are 
  more 
  closely 
  

   related 
  to 
  one 
  another 
  than 
  any 
  is 
  to 
  Amefiospllus 
  fortis 
  Seyrig 
  or 
  to 
  

   Enicospilus 
  rubens 
  Tosquinet; 
  and 
  the 
  other 
  characters 
  mentioned 
  in 
  

   the 
  descriptions 
  seem 
  to 
  bear 
  this 
  out. 
  

  

  To 
  argue 
  that 
  a 
  very 
  laige 
  genus 
  is 
  ipso 
  fa-cto 
  unwieldy 
  and 
  should 
  

   therefore 
  be 
  broken 
  up 
  into 
  smaller 
  genera 
  by 
  the 
  most 
  convenient 
  

   characters 
  is 
  unscientific. 
  Many 
  of 
  the 
  same 
  characters 
  can 
  be 
  used 
  

   in 
  a 
  more 
  truthful 
  manner 
  within 
  a 
  genus, 
  in 
  association 
  with 
  other 
  

   characters, 
  to 
  segregate 
  really 
  related 
  species. 
  It 
  is 
  entirely 
  possible 
  

   that 
  by 
  the 
  use 
  of 
  combinations 
  of 
  characters 
  the 
  huge 
  genus 
  Enicos- 
  

   pilus 
  can 
  be 
  divided 
  into 
  natural 
  groups 
  of 
  somewhat 
  less 
  than 
  generic 
  

   status, 
  and 
  it 
  may 
  be 
  found 
  possible 
  to 
  use 
  some 
  of 
  the 
  many 
  names 
  

   already 
  proposed 
  in 
  the 
  subgeneric 
  sense. 
  

  

  For 
  additional 
  examples 
  of 
  fenestra 
  and 
  wing 
  venation 
  in 
  Enicos- 
  

   pilus 
  beyond 
  those 
  in 
  the 
  present 
  paper 
  and 
  in 
  the 
  paper 
  by 
  Seyrig 
  

   cited 
  above, 
  see 
  the 
  figures 
  in 
  the 
  following 
  publications: 
  Cushman, 
  

   Arb. 
  morph.-tax. 
  Ent. 
  Beiheftc 
  aus 
  Berlin-Dahlem, 
  vol. 
  4, 
  p. 
  296, 
  

   figs. 
  1-14, 
  1937; 
  Cushman, 
  Proc. 
  Hawaiian 
  Ent. 
  Soc, 
  vol. 
  12. 
  p. 
  55, 
  

   1944; 
  Cameron, 
  Biologia 
  Centrali-Amcricana, 
  Ins., 
  llym., 
  vol. 
  1, 
  

   pi. 
  12, 
  188G; 
  Brues, 
  Bull. 
  Mus. 
  Conip. 
  Zool., 
  vol. 
  02, 
  pi. 
  1, 
  1918. 
  

  

  In 
  erecting 
  his 
  genera 
  Allocamptus 
  and 
  Eremotylus, 
  Foerster 
  was 
  

   segregating 
  frf)m 
  the 
  old 
  genus 
  Opiiion 
  (hose 
  Euroi)ean 
  species 
  in 
  

   whicii 
  the 
  discocubitus 
  is 
  not 
  angularly 
  i)rok('n, 
  Allocamptus 
  to 
  include 
  

   those 
  with 
  scleromes 
  in 
  the 
  discocubital 
  cell 
  and 
  Eremvtylus 
  those 
  

   without 
  scleromes. 
  In 
  his 
  unpublished 
  manuscript 
  he 
  placed 
  Opiiion 
  

   repeiitinus 
  Holmgren, 
  rarnululus 
  (iravcnhorsl 
  , 
  combustus 
  (Jravenhorst, 
  

   and 
  merdarius 
  Gravenhorst 
  in 
  Allocamptus, 
  with 
  tlie 
  bust 
  indicated 
  as 
  

   his 
  choice 
  for 
  genotype. 
  To 
  Erc.motylus 
  he 
  assigned 
  0. 
  hombycivorus 
  

   Gravenhorst 
  and 
  undulatus 
  Gravenhorst, 
  without 
  indicating 
  the 
  

  

  