﻿NO. 
  moo. 
  YALE 
  PERUVIAN 
  EXPEDITION, 
  HYMENOPTERA—ROHWER. 
  443 
  

  

  vSan 
  Miguel, 
  Peru. 
  Described 
  from 
  one 
  female 
  collected 
  September 
  

   1, 
  1911, 
  at 
  an 
  altitude 
  of 
  6,000 
  feet. 
  

   Type.— 
  Csit. 
  No. 
  15107, 
  U.S.N.M. 
  

  

  Genus 
  CEROPALES 
  Latreille. 
  

  

  CEROPALES 
  BASIRUFUS, 
  new 
  species. 
  

  

  This 
  may 
  easily 
  be 
  distinguished 
  by 
  the 
  pale 
  markings 
  of 
  the 
  head 
  

   and 
  thorax 
  and 
  by 
  having 
  the 
  basal 
  segment 
  of 
  the 
  abdomen 
  rufous. 
  

  

  Female. 
  — 
  Length 
  7 
  mm. 
  Anterior 
  margin 
  of 
  the 
  clypeus 
  nearly 
  

   truncate; 
  eyes 
  large, 
  strongly 
  converging 
  below, 
  separated 
  at 
  the 
  

   clypeus 
  by 
  the 
  distance 
  which 
  is 
  subequal 
  in 
  length 
  with 
  the 
  second 
  

   and 
  third 
  antennal 
  joints; 
  front 
  with 
  strong 
  distinct 
  punctures 
  on 
  a 
  

   granular 
  surface, 
  with 
  a 
  median 
  longitudinal 
  fovea; 
  vertex 
  shining 
  

   with 
  rather 
  small, 
  poorly 
  defined 
  punctures 
  on 
  a 
  feebly 
  granular 
  sur- 
  

   face; 
  anterior 
  ocellus 
  larger 
  than 
  the 
  lateral 
  one; 
  the 
  postocellar 
  line 
  

   slightly 
  shorter 
  than 
  the 
  ocellocular 
  line; 
  antennae 
  very 
  slightly 
  

   thickening 
  apically, 
  the 
  joints 
  poorly 
  defined, 
  the 
  third 
  and 
  fourth 
  

   subequal 
  in 
  length; 
  the 
  anterior 
  lateral 
  margin 
  of 
  the 
  pronotum 
  

   tuberculate; 
  pronotum, 
  mesoscutum 
  and 
  scutellum 
  with 
  rather 
  

   large 
  distinct 
  punctures; 
  scutellum 
  convex; 
  mesepisternum 
  finely 
  

   granular; 
  sides 
  .of 
  the 
  propodeum 
  and 
  the 
  metapleurse 
  finely 
  granular; 
  

   metanotum 
  strongly 
  raised, 
  its 
  posterior 
  face 
  truncate; 
  propodeum 
  

   finely 
  granular 
  with 
  a 
  V-shaped 
  fovea 
  at 
  the 
  base, 
  a 
  faint 
  impressed 
  

   line 
  from 
  fovea 
  to 
  the 
  ventral 
  margin 
  of 
  the 
  posterior 
  face; 
  legs 
  very 
  

   feebly 
  spined; 
  third 
  cubital 
  cell 
  on 
  the 
  radius 
  strongly 
  narrowed 
  so 
  

   the 
  distance 
  between 
  the 
  second 
  and 
  third 
  transverse 
  cubiti 
  is 
  but 
  

   little 
  greater 
  than 
  the 
  distance 
  between 
  the 
  second 
  transverse 
  cubitus 
  

   and 
  the 
  second 
  recurrent 
  vein; 
  third 
  cubital 
  cell 
  on 
  the 
  cubitus 
  sub- 
  

   equal 
  in 
  length 
  with 
  the 
  second; 
  first 
  transverse 
  cubitus 
  strongly 
  

   bent 
  above 
  the 
  middle, 
  second 
  transverse 
  cubitus 
  straight; 
  sec- 
  

   ond 
  recurrent 
  vein 
  in 
  the 
  basal 
  third 
  of 
  the 
  third 
  cubital 
  cell; 
  

   first 
  recurrent 
  vein 
  in 
  the 
  apical 
  third 
  of 
  the 
  second 
  cubital 
  cell; 
  

   transverse 
  median 
  and 
  basal 
  vein 
  interstitial; 
  transverse 
  median 
  of 
  

   the 
  hind 
  wings 
  well 
  before 
  the 
  cubitus; 
  abdomen 
  normal, 
  impunctate. 
  

   Black; 
  clypeus, 
  labrum 
  except 
  the 
  median 
  spot, 
  head 
  below 
  the 
  

   antennae, 
  inner 
  margin 
  of 
  the 
  eyes 
  almost 
  to 
  the 
  vertex, 
  posterior 
  

   margin 
  of 
  the 
  eyes 
  almost 
  to 
  the 
  vertex, 
  scape 
  and 
  pedicellum 
  be- 
  

   neath, 
  tubercule 
  of 
  the 
  pronotum, 
  narrow 
  basal 
  margin 
  of 
  the 
  

   metanotum, 
  spot 
  on 
  the 
  scutellum, 
  spot 
  on 
  the 
  metanotum, 
  four 
  

   anterior 
  coxae, 
  four 
  anterior 
  tibiae 
  beneath 
  (that 
  of 
  the 
  second 
  not 
  

   broadly), 
  the 
  apical 
  margins 
  of 
  the 
  second 
  to 
  fifth 
  tergites 
  inclusive, 
  

   more 
  broadly, 
  so 
  on 
  the 
  fifth, 
  and 
  small 
  spots 
  on 
  the 
  second 
  to 
  fourth 
  

   sternites 
  inclusive 
  yellowish 
  wJiite; 
  legs 
  except 
  the 
  four 
  anterior 
  coxae 
  

   which 
  are 
  black 
  and 
  the 
  basal 
  segment 
  of 
  the 
  abdomen 
  and 
  the 
  venter 
  

   rufous; 
  mesepisternum, 
  propodeum, 
  coxae, 
  and 
  face 
  with 
  appressed 
  

  

  