﻿450 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol, 
  96 
  

  

  18. 
  CLISTORAPHA,"' 
  new 
  genus 
  

  

  Plate 
  50, 
  Figure 
  18; 
  Plate 
  62, 
  Figure 
  42; 
  Plate 
  54, 
  Figure 
  54; 
  Plate 
  56, 
  

  

  Figure 
  96 
  

  

  From 
  all 
  the 
  other 
  genera 
  of 
  the 
  Ophion 
  group 
  this 
  genus 
  is 
  immedi- 
  

   ately 
  distinguishable 
  b}^ 
  its 
  possession 
  of 
  a 
  complete 
  postpectoral 
  carina. 
  

  

  Head 
  (pi. 
  50, 
  fig. 
  18): 
  Thick; 
  temples 
  strongly 
  convex; 
  occiput 
  

   deeply 
  concave, 
  carina 
  complete; 
  eyes 
  and 
  ocelli 
  large, 
  malar 
  space 
  

   and 
  ocellocular 
  line 
  much 
  reduced, 
  eyes 
  deeply 
  emarginate 
  and 
  nearly 
  

   parallel 
  within 
  (rarely 
  in 
  species 
  with 
  very 
  strongly 
  buccate 
  temples, 
  

   the 
  eyes 
  and 
  ocelli 
  are 
  smaller, 
  the 
  malar 
  space 
  and 
  ocellocular 
  line 
  

   rather 
  long, 
  and 
  the 
  face 
  is 
  considerably 
  broader 
  than 
  the 
  frons); 
  

   clypeus 
  short, 
  broadly 
  truncate, 
  coarsely 
  punctate; 
  labrum 
  conspicu- 
  

   ously 
  protruding 
  beyond 
  clypeus; 
  mandible 
  not 
  strongly 
  twisted, 
  

   narrow 
  and 
  strongly 
  curved, 
  little 
  narrower 
  at 
  apex 
  than 
  at 
  base; 
  

   antemia 
  filiform, 
  not 
  or 
  barely 
  as 
  long 
  as 
  body. 
  

  

  Thorax: 
  Pronotal 
  sinus 
  broad, 
  spiracular 
  sclerite 
  exposed; 
  meso- 
  

   scutum 
  sloping 
  anteriorly, 
  notaulices 
  complete; 
  scutellum 
  margined 
  at 
  

   least 
  basally; 
  speculum 
  distinct; 
  prepectoral 
  and 
  postpectoral 
  carinae 
  

   (pi. 
  52, 
  fig. 
  42) 
  complete; 
  propodeum 
  moderately 
  convex 
  in 
  profile. 
  

   Wings 
  (pi. 
  54, 
  fig. 
  54) 
  densely, 
  finely 
  pilose, 
  with 
  a 
  hairless 
  area 
  below 
  

   stigma; 
  stigma 
  elongate 
  triangular, 
  with 
  radius 
  at 
  about 
  basal 
  third; 
  

   basal 
  abscissa 
  of 
  radius 
  curved 
  and 
  thickened 
  at 
  base, 
  apical 
  abscissa 
  

   shghtly 
  curved 
  ; 
  discocubitus 
  strongly 
  curved, 
  without 
  ramellus, 
  basal 
  

   portion 
  nearly 
  parallel 
  to 
  basal 
  vein; 
  second 
  discoidal 
  cell 
  much 
  

   narrowed 
  at 
  base, 
  its 
  lower 
  apical 
  angle 
  acute; 
  nervulus 
  distinctly 
  

   antef 
  ureal 
  to 
  shortly 
  postfurcal; 
  frenulum 
  short, 
  with 
  only 
  5 
  or 
  6 
  

   hooks; 
  abscissula 
  curved, 
  somewhat 
  thickened 
  basally; 
  nervellus 
  

   weakly 
  broken 
  at 
  or 
  below 
  middle, 
  upper 
  abscissa 
  rechvous. 
  Legs 
  

   short 
  and 
  rather 
  stout, 
  hind 
  femur 
  barely 
  reaching 
  beyond 
  apex 
  

   of 
  tergite 
  2 
  ; 
  claws 
  closely 
  pectinate, 
  not 
  more 
  closely 
  so 
  in 
  male 
  than 
  

   in 
  female. 
  

  

  Abdomen 
  (pi. 
  56, 
  fig. 
  96): 
  Strongly 
  compressed, 
  tergite 
  2 
  with 
  

   spiracles 
  shortly 
  beyond 
  middle, 
  umbo 
  distinct, 
  epipleura 
  separated 
  

   throughout; 
  male 
  genitalia 
  with 
  paramere 
  deep, 
  its 
  ventral 
  margin 
  

   evenly 
  curved 
  to 
  the 
  subacute 
  apex. 
  

  

  Genotype. 
  — 
  Ophion 
  subfuliginosus 
  Ashmead. 
  

  

  Several 
  other 
  species 
  occur 
  in 
  the 
  arid 
  southwestern 
  United 
  States, 
  

   all 
  undescribed. 
  

  

  " 
  From 
  »<Xti<rT6i=closed, 
  and 
  ^¥>^=suture. 
  In 
  reference 
  to 
  the 
  closing 
  of 
  the 
  mesosulcus 
  by 
  the 
  postpecto- 
  

   ral 
  carina. 
  

  

  