﻿NO. 
  1949. 
  YALE 
  PERUVIAN 
  EXPEDITION, 
  ORTHOPTERA—BRVNER. 
  181 
  

  

  metasternal 
  lobes 
  also 
  quite 
  widely 
  separated. 
  Valves 
  of 
  the 
  ovi- 
  

   positor 
  short 
  but 
  strong, 
  the 
  apical 
  hooks 
  short. 
  Auditory 
  appara- 
  

   tus 
  minute 
  or 
  missing. 
  

  

  General 
  color 
  variable, 
  possibly 
  depending 
  upon 
  the 
  kind 
  of 
  soil 
  

   upon 
  which 
  the 
  insect 
  is 
  found, 
  in 
  the 
  type-specimen 
  brunneo- 
  

   testaceous, 
  with 
  a 
  ferruginous 
  tinge 
  on 
  its 
  pronotum 
  and 
  the 
  outer 
  

   disk 
  of 
  the 
  hind 
  femora. 
  The 
  latter 
  wdth 
  a 
  basal, 
  median, 
  and 
  sub- 
  

   apical 
  fuscous 
  patch 
  on 
  the 
  upper 
  margin; 
  the 
  genicular 
  lunules 
  

   piceous, 
  as 
  are 
  also 
  the 
  carinal 
  teeth; 
  lower 
  sulcus 
  bright 
  carmine; 
  

   hind 
  tibiae 
  pale 
  cinereous 
  varied 
  with 
  fuscous 
  flecks 
  and 
  blotches. 
  

   The 
  second 
  specimen 
  is 
  quite 
  uniformly 
  cinereo-fuscous, 
  showing 
  a 
  

   tinge 
  of 
  ferruginous 
  only 
  on 
  the 
  lower 
  part 
  of 
  the 
  thorax 
  about 
  the 
  

   base 
  of 
  its 
  anterior 
  and 
  middle 
  legs. 
  The 
  anteimse 
  in 
  both 
  specimens 
  

   are 
  ash}^ 
  gray 
  apically. 
  

  

  Length 
  of 
  body, 
  female 
  25 
  mm.; 
  of 
  pronotum, 
  5.75 
  mm.; 
  greatest 
  

   width 
  of 
  latter, 
  6.5 
  mm.; 
  length 
  of 
  hind 
  femora, 
  13 
  mm.; 
  of 
  antennae, 
  

   6.5 
  mm. 
  

  

  Two 
  females, 
  OUantaytambo, 
  Peru, 
  July 
  21, 
  at 
  an 
  elevation 
  of 
  

   approximately 
  9,000 
  feet 
  above 
  sea 
  level. 
  

  

  Judging 
  from 
  the 
  general 
  appearance 
  of 
  the 
  two 
  specimens 
  before 
  

   me, 
  this 
  insect 
  must 
  be 
  confined 
  in 
  its 
  distribution 
  to 
  more 
  or 
  less 
  arid 
  

   localities. 
  

  

  Type.— 
  C&t. 
  No. 
  15041, 
  U.S.N.M. 
  

  

  Family 
  CYRTACANTHACRID^ 
  (ACRIDIIDiE). 
  

  

  DIEDRONOTUS 
  ANGULATUS 
  Stal. 
  

  

  Only 
  a 
  single 
  specimen 
  of 
  this 
  extensive 
  South 
  iWnerican 
  genus 
  is 
  at 
  

   hand. 
  It 
  was 
  taken 
  on 
  the 
  Pampaconas 
  River 
  during 
  the 
  month 
  of 
  

   August. 
  Wliile 
  the 
  present 
  insect 
  is 
  rather 
  longer 
  winged 
  than 
  

   usual, 
  it 
  is 
  referred, 
  nevertheless, 
  to 
  Stal's 
  ang 
  

  

  PRIONOLOPHA 
  SERRATA 
  Linnaus. 
  

  

  Two 
  females 
  of 
  this 
  magnificent 
  locust 
  are 
  at 
  hand 
  from 
  Huadquina. 
  

   They 
  are 
  typical 
  specimens. 
  

  

  URUBAMBA, 
  new 
  genus. 
  ^ 
  

  

  Related 
  to 
  Jivarus 
  Giglio-Tos 
  and 
  Platyphyma 
  Fieber. 
  A 
  genus 
  

   of 
  inconspicuous 
  South 
  American 
  locusts 
  of 
  small 
  size, 
  the 
  species 
  of 
  

   which 
  are 
  either 
  apterous 
  or 
  subapterous, 
  and 
  have 
  apical 
  spines 
  on 
  

   both 
  margins 
  of 
  the 
  hind 
  tibiae 
  and 
  a 
  much 
  shorter 
  hind 
  lobe 
  of 
  the 
  

   pronotum 
  than 
  the 
  anterior 
  one. 
  The 
  posterior 
  margin 
  of 
  the 
  former 
  

   is 
  broadly 
  emarginate. 
  So 
  far 
  as 
  known 
  the 
  representatives 
  of 
  this 
  

   genus 
  are 
  confined 
  in 
  their 
  distribution 
  to 
  the 
  Andean 
  regions 
  of 
  

  

  1 
  Urabamba 
  is 
  a 
  geographical 
  name 
  in 
  the 
  region 
  which 
  is 
  the 
  habitat 
  of 
  these 
  small 
  locusts. 
  It 
  has 
  

   been 
  chosen 
  on 
  account 
  of 
  its 
  euphony. 
  

  

  