﻿Mr. 
  R. 
  S. 
  Bagnall 
  on 
  new 
  Tlnjsanoptera. 
  287 
  

  

  XXXT. 
  — 
  Brief 
  Descriptions 
  of 
  new 
  Thysnnoptera. 
  — 
  III. 
  By 
  

   lliCHAKD 
  S. 
  Bagnall, 
  F.L.S., 
  F.E.S. 
  (Hope 
  Department 
  

   of 
  Zoology, 
  University 
  Museum, 
  Oxford). 
  

  

  Suborder 
  T 
  E 
  R 
  E 
  B 
  R 
  A 
  N 
  T 
  I 
  A. 
  

  

  Family 
  ^olotliripida3. 
  

  

  Orothrips 
  ansttalis, 
  sp. 
  n. 
  

  

  Colour 
  dark 
  grey-brown 
  ; 
  hind 
  legs, 
  including 
  tarsus, 
  

   unicolorous 
  with 
  body 
  (other 
  legs 
  absent 
  in 
  the 
  type 
  speci- 
  

   men). 
  Mouth-cone 
  rather 
  long, 
  reaching 
  across 
  prosternum 
  ; 
  

   maxillary 
  palpus 
  7-jointed 
  ; 
  labial 
  3 
  (?)-jointed. 
  Antennas 
  

   dark 
  grey-brown, 
  apex 
  of 
  joint 
  2 
  and 
  whole 
  of 
  3 
  excepting 
  

   distal 
  third 
  yellowish-white, 
  extreme 
  base 
  of 
  4 
  yellowish- 
  

   brown; 
  relative 
  lengths 
  of 
  joints 
  approximately: 
  — 
  32 
  : 
  GO 
  : 
  

   104 
  : 
  82 
  : 
  52 
  : 
  32 
  : 
  19 
  : 
  12 
  —joint 
  3 
  pedicellate. 
  Very 
  

   narrow, 
  wavy, 
  elongated, 
  membranous 
  sense-areas 
  in 
  3 
  and 
  4 
  ; 
  

   a 
  short, 
  straight, 
  but 
  otherwise 
  similar 
  area 
  in 
  4 
  ; 
  and 
  a 
  minute 
  

   sense-cone 
  on 
  each 
  of 
  the 
  joints 
  5, 
  6, 
  and 
  7. 
  

  

  Fore-wings 
  longer 
  and 
  narrower 
  than 
  in 
  Jcelloggii, 
  Moulton, 
  

   clear 
  white 
  with 
  extreme 
  base 
  and 
  a 
  band 
  across 
  tip 
  dark 
  

   brown, 
  and 
  a 
  similar 
  but 
  more 
  extensive 
  dark 
  band 
  across 
  

   middle 
  ; 
  sette 
  along 
  costa 
  and 
  the 
  longitudinal 
  veins 
  minute 
  ; 
  

   cilia 
  of 
  hind 
  fringe 
  up 
  to 
  more 
  than 
  2'5 
  times 
  as 
  long 
  as 
  the 
  

   greatest 
  breadtii 
  of 
  ^\ing. 
  All 
  cross-veins 
  included 
  well 
  

   within 
  the 
  central 
  dark 
  area. 
  Hind-wings 
  with 
  light 
  grey 
  

   patches 
  corresponding 
  with 
  the 
  dark 
  areas 
  of 
  fore-wings. 
  

  

  Abdominal 
  segment 
  8 
  without 
  the 
  pair 
  of 
  stout 
  spines 
  

   described 
  in 
  kelloggii, 
  9 
  and 
  10 
  with 
  moderately 
  long 
  bristles 
  ; 
  

   tergite 
  9 
  about 
  twice 
  as 
  long 
  as 
  10, 
  

  

  Differs 
  from 
  0. 
  kelloggii, 
  Moulton, 
  in 
  the 
  colour 
  and 
  

   relative 
  lengths 
  of 
  the 
  antennal 
  joints, 
  the 
  longer 
  mouth- 
  

   cone, 
  and 
  fewer 
  (?) 
  joints 
  in 
  labial 
  palpi 
  ; 
  the 
  longer, 
  

   narrower 
  fore-wings 
  with 
  more 
  extensive 
  dark 
  central 
  area, 
  

   more 
  minute 
  setse, 
  and 
  longer 
  cilia 
  ; 
  and 
  the 
  lightly 
  banded 
  

   hind 
  wings. 
  

  

  Moulton 
  says 
  that 
  the 
  labial 
  palpi 
  of 
  0. 
  kelloggii 
  are 
  

   4-jointed 
  in 
  his 
  key 
  to 
  genera, 
  but 
  5-jointed 
  in 
  describing 
  the 
  

   genus 
  and 
  species. 
  

  

  Type. 
  In 
  Hope 
  Collections, 
  University 
  Museum, 
  Oxford. 
  

  

  liab. 
  Australia: 
  one 
  ? 
  collected 
  by 
  Mr. 
  A. 
  Eland 
  Shaw 
  

   from 
  the 
  flowers 
  of 
  a 
  native 
  shrub, 
  X.aniliorrhiea 
  australls, 
  

   Healesville, 
  Victoria, 
  Oct. 
  12, 
  1913. 
  

  

  