﻿474 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.96 
  

  

  all 
  is 
  the 
  fact 
  that 
  the 
  nervellus 
  is 
  said 
  to 
  be 
  broken 
  in 
  the 
  middle, 
  

   which 
  would 
  exclude 
  melanarius 
  not 
  only 
  from 
  Aglaophion 
  but 
  from 
  

   the 
  Thyreodon 
  group. 
  Nevertheless, 
  the 
  impression 
  gained 
  from 
  the 
  

   original 
  description 
  is 
  of 
  an 
  insect 
  of 
  that 
  group, 
  and 
  one 
  suspects 
  

   that 
  the 
  description 
  of 
  the 
  nervellus 
  is 
  the 
  result 
  of 
  faulty 
  observation. 
  

   Both 
  melanarius 
  and 
  purpurascens 
  occur 
  in 
  North 
  China. 
  

  

  Kriechbaumer 
  liimself 
  considered 
  melanarius 
  more 
  closely 
  related 
  

   to 
  (Ophion) 
  Stauropoctonus 
  bombycivorus 
  (Gravenhorst) 
  than 
  to 
  any 
  

   other 
  European 
  species 
  (of 
  Ophion), 
  but 
  stated: 
  "If 
  one 
  does 
  not 
  

   wish 
  to 
  place 
  tliis 
  species 
  in 
  the 
  same 
  genus 
  as 
  bombycivorus 
  a 
  new 
  

   genus 
  must 
  be 
  erected 
  for 
  it 
  (perhaps 
  Dictyonotus, 
  from 
  Uktvov, 
  net, 
  

   and 
  vwTos, 
  back)." 
  

  

  Genus 
  EURYCAMPTUS 
  Morley 
  

  

  Eurycampius 
  Morley, 
  A 
  revision 
  of 
  the 
  Ichneumonidae 
  based 
  on 
  the 
  collection 
  

   in 
  the 
  British 
  Museum 
  (Natural 
  History), 
  pt. 
  1, 
  p. 
  27, 
  1912. 
  [Genotype: 
  

   Ophion 
  latipennis 
  Kirby. 
  By 
  designation 
  of 
  Viereck, 
  U. 
  S. 
  Nat. 
  Mus. 
  Bull. 
  

   183, 
  p. 
  57, 
  1914.] 
  

  

  From 
  the 
  few 
  characters 
  given 
  in 
  the 
  original 
  descriptions 
  of 
  the 
  

   genus 
  and 
  the 
  genotype 
  as 
  well 
  as 
  some 
  additional 
  characters 
  com- 
  

   municated 
  by 
  Mr, 
  Perldns 
  I 
  am 
  miable 
  to 
  place 
  this 
  genus 
  satis- 
  

   factorily 
  in 
  the 
  key. 
  Quite 
  obviously 
  it 
  does 
  not 
  belong 
  in 
  the 
  

   Ihyreodon 
  group, 
  but 
  the 
  characters 
  loiown 
  to 
  me 
  divide 
  almost 
  

   between 
  those 
  of 
  the 
  Ophion 
  and 
  Enicospilus 
  groups. 
  

  

  The 
  following 
  description 
  of 
  the 
  genotype 
  was 
  sent 
  me 
  by 
  J. 
  F. 
  

   Perkins. 
  In 
  it 
  I 
  have 
  interpolated 
  a 
  few 
  other 
  characters 
  from 
  the 
  

   original 
  description; 
  the 
  latter 
  are 
  italicized. 
  

  

  "Occipital 
  carina, 
  centrally, 
  notched 
  towards 
  the 
  neck; 
  mandibles 
  

   narromng 
  in 
  apical 
  third 
  (i. 
  e., 
  the 
  posterior 
  margin 
  curving 
  from 
  

   about 
  two-thirds 
  to 
  apex 
  of 
  tooth); 
  antemia 
  shorter 
  than 
  length 
  of 
  

   fore-wing; 
  pronotal 
  sinus 
  broad; 
  scutellum 
  unmargined; 
  postscutellum 
  

   with 
  a 
  very 
  deep 
  basal 
  depression; 
  speculum 
  narrow, 
  very 
  sharply 
  

   defined 
  ventrally 
  and 
  ventro-posteriorly 
  by 
  a 
  deep 
  depression; 
  ster- 
  

   nauli 
  deep, 
  extending 
  three-fourths 
  distance 
  to 
  apex, 
  where 
  they 
  are 
  

   closed 
  by 
  broad 
  carinae; 
  a 
  deep 
  furrow 
  before 
  middle 
  coxae; 
  post- 
  

   pectoral 
  carina 
  very 
  broadly 
  interrupted, 
  present 
  only 
  laterally 
  and 
  

   as 
  a 
  high 
  costa 
  closing 
  mesosternal 
  furrow 
  posteriorly; 
  propodeum 
  

   with 
  a 
  median 
  longitudinal 
  carina, 
  basal 
  constriction 
  deep, 
  with 
  

   median 
  and 
  lateral 
  foveae 
  very 
  wealdy 
  differentiated; 
  stigma 
  narrow, 
  

   about 
  same 
  wddth 
  as 
  in 
  Stauropoctonus, 
  but 
  shorter; 
  basal 
  abscissa 
  of 
  

   radius 
  wealdy 
  sinuate 
  centrally, 
  meeting 
  stigma 
  at 
  an 
  angle 
  of 
  about 
  

   45°, 
  wealdy 
  though 
  distinctly 
  thickened 
  in 
  basal 
  half; 
  apical 
  abscissa 
  

   wealdy 
  arched 
  towards 
  the 
  costa 
  basally, 
  curved 
  apically 
  to 
  anterior 
  

   margin; 
  fenestra 
  present 
  but 
  extremely 
  narrow, 
  joining 
  the 
  smooth 
  

   area 
  beneath 
  stigma; 
  basal 
  abscissa 
  of 
  radius 
  in 
  hind 
  wing 
  curved, 
  

  

  