﻿NO. 
  1956. 
  YALE 
  PERUVIAN 
  EXPEDITION, 
  ORTHOPTERA—CAUDELL. 
  353 
  

  

  Length, 
  entire 
  from 
  front 
  of 
  head 
  to 
  end 
  of 
  body, 
  32 
  mm.; 
  pro- 
  

   notiim, 
  9 
  mm.; 
  elytra, 
  11 
  mm.; 
  fore 
  tibiae, 
  11 
  mm.; 
  fore 
  femora, 
  

   10 
  mm.; 
  hind 
  femora, 
  24 
  nmi. 
  

  

  Type.^One 
  male. 
  Paltaybamba, 
  August, 
  5,000 
  feet 
  altitude. 
  

  

  Cat. 
  No. 
  15051, 
  U.S.N.M. 
  

  

  NANNOTETTIX 
  PERUVIANUS, 
  new 
  species. 
  

  

  Male. 
  — 
  Similar 
  to 
  the 
  last, 
  but 
  smaller 
  and 
  with 
  longer 
  wings. 
  In 
  

   Bninner's 
  table 
  of 
  species 
  it 
  runs 
  to 
  elongatus, 
  but 
  it 
  is 
  a 
  larger 
  species 
  

   than 
  that 
  more 
  southern 
  form. 
  Head 
  as 
  described 
  under 
  N. 
  pdltay- 
  

   harnba. 
  Pronotum 
  rugose 
  both 
  above 
  and 
  on 
  the 
  lateral 
  lobes, 
  

   truncate 
  posteriorly, 
  anteriorly 
  a 
  little 
  roimded, 
  both 
  transverse 
  

   sidci 
  distinct, 
  about 
  equally 
  so, 
  but 
  neither 
  conspicuous; 
  lateral 
  lobes 
  

   distinctly 
  longer 
  than 
  high, 
  the 
  lower 
  margin 
  straight, 
  the 
  hind 
  

   margin 
  almost 
  straight 
  and 
  perpendicular, 
  no 
  distinct 
  sinus 
  present; 
  

   no 
  median 
  nor 
  lateral 
  carinas 
  present 
  but 
  the 
  shoulders 
  a 
  little 
  angular; 
  

   prosternal 
  spines 
  well 
  developed. 
  Legs 
  moderate; 
  anterior 
  tibiae 
  mth 
  

   conchate 
  foramina, 
  the 
  dorsal 
  surface 
  shallowlyand 
  broadly 
  sulcate 
  and; 
  

   unarmed; 
  middle 
  tibiae 
  flat 
  above 
  and 
  armed 
  on 
  the 
  posterior 
  margin 
  

   \\dth 
  four 
  very 
  minute 
  sharp 
  tubercles; 
  both 
  fore 
  and 
  middle 
  tibiae 
  

   armed 
  beneath 
  on 
  both 
  margins; 
  hind 
  tibiae 
  armed 
  beneath 
  in 
  the 
  

   apical 
  half 
  with 
  a 
  number 
  of 
  spines, 
  mostly 
  in 
  two 
  series, 
  above 
  armed 
  

   on 
  both 
  margins, 
  an 
  apical 
  spine 
  present 
  only 
  on 
  the 
  inner 
  side, 
  the 
  

   last 
  spine 
  on 
  the 
  outer 
  side 
  being 
  far 
  removed 
  from 
  the 
  apex; 
  femora 
  

   moderately 
  stout, 
  all 
  the 
  geniculations 
  imarmed, 
  all 
  the 
  femora 
  

   imarmed 
  dorsally 
  and 
  below 
  narrowly 
  sulcate, 
  the 
  outer 
  margin 
  of 
  the 
  

   hind 
  and 
  middle 
  leg 
  and 
  the 
  inner 
  margin 
  of 
  the 
  front 
  ones 
  thin 
  and 
  

   elevated 
  and 
  armed, 
  the 
  nmnber 
  of 
  spines 
  being 
  four 
  or 
  five 
  on 
  the 
  

   hind, 
  two 
  on 
  the 
  middle, 
  and 
  one 
  on 
  the 
  fore 
  femora, 
  an 
  additional 
  

   aborted 
  one 
  showing 
  on 
  the 
  left 
  fore 
  leg; 
  the 
  inner 
  carina 
  of 
  the 
  

   femora 
  is 
  less 
  elevated, 
  on 
  the 
  hind 
  leg 
  scarcely 
  developed 
  at 
  all, 
  and 
  

   unarmed. 
  Elytra 
  twjce 
  as 
  long 
  as 
  the 
  pronotum 
  but 
  failing 
  to 
  reach 
  

   the 
  tip 
  of 
  the 
  abdomen, 
  apically 
  narrowly 
  rounded. 
  Wings 
  not 
  

   quite 
  as 
  long 
  as 
  the 
  elytra, 
  completely 
  concealed 
  beneath 
  them. 
  

   Abdomen 
  plump; 
  subgenital 
  plate 
  and 
  apical 
  styles 
  as 
  in 
  paltay- 
  

   hamha; 
  cerci 
  heavy, 
  about 
  tliree 
  times 
  as 
  long 
  as 
  broad, 
  round 
  and 
  

   apically 
  bent 
  inward 
  and 
  rapidly 
  tapered 
  to 
  a 
  sharp 
  point. 
  

  

  General 
  color 
  yellowish; 
  head 
  above 
  with 
  two 
  very 
  fine 
  postocular 
  

   longitudinal 
  streaks 
  of 
  black, 
  and 
  a 
  similar 
  one 
  situated 
  mesially, 
  

   very 
  small 
  and 
  on 
  top 
  spread 
  into 
  a 
  cruciform 
  spot; 
  fastigium 
  of 
  

   vertex 
  and 
  the 
  first 
  two 
  joints 
  and 
  the 
  scrobae 
  of 
  the 
  antennae 
  mostly 
  

   piceous 
  and 
  the 
  eyes 
  mottled 
  vnih 
  fuscous; 
  upper 
  margin 
  of 
  clypeus 
  

   Imed 
  most 
  of 
  the 
  distance 
  with 
  black 
  and 
  a 
  descending 
  outward 
  

   curving 
  line 
  of 
  the 
  same 
  color 
  extends 
  from 
  the 
  inner 
  lower 
  margin 
  

   of 
  the 
  eyes 
  to 
  near 
  the 
  clypeal 
  suture; 
  extreme 
  tip 
  of 
  mandibles 
  

  

  69077°— 
  Proc.N.M.vol.44— 
  13 
  23 
  

  

  