﻿NO. 
  1960. 
  YALE 
  PERUVIAN 
  EXPEDITION, 
  HYMENOPTEBA—ROHWER. 
  445 
  

  

  joint 
  and 
  tarsi 
  black; 
  wings 
  hyaline, 
  very 
  faintly 
  dusky; 
  venation 
  

   pale 
  brown; 
  insect 
  rather 
  densely 
  clothed 
  with 
  long 
  white 
  hair. 
  

  

  Ollantaytambo, 
  Peru. 
  Two 
  females 
  collected 
  July 
  20, 
  1911, 
  at 
  an 
  

   altitude 
  of 
  9,000 
  feet. 
  

  

  Type.— 
  Cat. 
  No. 
  15100, 
  U.S.N.M. 
  

  

  Family 
  EUMENID^E. 
  

   Genus 
  HYPODYNERUS 
  Saussure. 
  

  

  HYPODYNERUS 
  VESTITUS 
  Saussure. 
  

  

  One 
  male 
  collected 
  at 
  Cuzco, 
  Peru, 
  at 
  an 
  altitude 
  of 
  11,500 
  feet, 
  

   July 
  9, 
  1911. 
  

  

  HYPODYNERUS 
  TAPIENSIS 
  Saussure. 
  

  

  One 
  female 
  collected 
  at 
  Ollantaytambo, 
  Peru, 
  at 
  an 
  altitude 
  of 
  

   9,000 
  feet, 
  July 
  21,1911. 
  

  

  HYPODYNERUS 
  NIGRICORNIS, 
  new 
  species. 
  

  

  Related 
  to 
  Hypodynerus 
  huancabarnhx 
  Schrottky, 
  but 
  that 
  species 
  

   has 
  red 
  tegulse, 
  a 
  black 
  pronotum, 
  and 
  a 
  different 
  clypeus. 
  

  

  Female. 
  — 
  Length 
  15 
  mm. 
  Anterior 
  margin 
  of 
  the 
  clypeus 
  very 
  

   broadly, 
  arcuately 
  emarginate, 
  the 
  surface 
  finely 
  granular; 
  supra- 
  

   clypeal 
  area 
  convex, 
  broader 
  above; 
  head 
  above 
  the 
  antennae 
  closely, 
  

   sometimes 
  confluently, 
  punctured; 
  ocelli 
  in 
  a 
  curved 
  line; 
  postocellar 
  

   line 
  longer 
  than 
  the 
  ocellocular 
  line; 
  antennae 
  stout, 
  the 
  third 
  joint 
  

   thickening 
  apically 
  and 
  longer 
  than 
  the 
  fourth 
  and 
  fifth 
  combined; 
  

   anterior 
  margin 
  of 
  the 
  pronotum 
  carinate; 
  thorax 
  closely, 
  conflu- 
  

   ently 
  punctured; 
  posterior 
  margin 
  of 
  the 
  metanotum 
  gently 
  rounding; 
  

   the 
  posterior 
  face 
  of 
  the 
  propodeum 
  with 
  heptagonal 
  area 
  defined 
  by 
  

   weak 
  carinas; 
  this 
  area 
  is 
  striato-reticulate 
  with 
  a 
  strong 
  median 
  

   carina, 
  sides 
  of 
  propodeum 
  finely, 
  transversely 
  striato-reticulate; 
  legs 
  

   slender, 
  normal; 
  abdomen 
  shining, 
  very 
  finely 
  punctured, 
  the 
  basal 
  

   segment 
  in 
  the 
  apical 
  middle 
  with 
  a 
  longitudinal 
  depression, 
  the 
  

   second 
  ventral 
  segment 
  truncate 
  anteriorly. 
  Black; 
  anterior 
  margin 
  

   of 
  the 
  pronotum, 
  narrow 
  apical 
  margin 
  of 
  the 
  first 
  and 
  second 
  tergites 
  

   and 
  the 
  second 
  sternite 
  yellow; 
  legs 
  below 
  the 
  bases 
  of 
  the 
  femora 
  

   rufous; 
  head 
  and 
  thorax 
  clothed 
  with 
  long 
  black 
  hair; 
  wings 
  uni- 
  

   formly 
  dark 
  brown 
  with 
  a 
  purplish 
  tinge; 
  venation 
  black. 
  

  

  Cuzco, 
  Peru. 
  Described 
  from 
  three 
  females, 
  two 
  collected 
  July 
  7 
  

   (one 
  type) 
  and 
  one 
  collected 
  July 
  4, 
  1911, 
  at 
  an 
  altitude 
  of 
  11,500 
  

   feet. 
  

  

  Type.—C&i. 
  No. 
  15105, 
  U.S.N.M. 
  

  

  Genus 
  ODYNERUS 
  Latreille. 
  

   ODYNERUS 
  (STENODYNERUS) 
  HIRSUTULUS, 
  new 
  species. 
  

  

  This 
  species 
  runs 
  in 
  Saussure's 
  Synopsis 
  of 
  the 
  North 
  American 
  

   Vespidae 
  to 
  similis 
  Smith, 
  but 
  that 
  species 
  has 
  different 
  colored 
  wings 
  

   and 
  is 
  otherwise 
  different. 
  

  

  