﻿243 
  

  

  A 
  NEW 
  COTTON-SEED 
  MOTH 
  (MOMETA 
  ZEMTODES) 
  FROM 
  

  

  WEST 
  AFRICA. 
  

  

  By 
  John 
  Hartley 
  Durrant, 
  F.E.S. 
  

   (Published 
  by 
  permission 
  of 
  the 
  Trustees 
  of 
  the 
  British 
  Museum.) 
  

  

  Family 
  Gelechiadae. 
  

  

  Mometa, 
  gen. 
  n. 
  (/tw^i-ds 
  = 
  to 
  be 
  blamed). 
  Type 
  : 
  Mometa 
  zemiodes, 
  Drnt. 
  

  

  Antennae 
  §, 
  basal 
  joint 
  with, 
  distinct 
  pecten 
  ; 
  serrate 
  and 
  shortly 
  ciliate 
  in 
  <J. 
  

   Labial 
  Palpi 
  long, 
  recurved, 
  both 
  joints 
  smoothly 
  but 
  somewhat 
  thickly 
  clothed, 
  

   with 
  furrow 
  beneath 
  ; 
  terminal 
  joint 
  distinctly 
  shorter 
  than 
  median. 
  Maxillary 
  

   Palpi 
  appressed 
  to 
  haustellum. 
  Haustellum 
  well-developed, 
  scaled. 
  Ocelli 
  absent. 
  

   Head 
  and 
  Thorax 
  smoothly 
  clothed 
  with 
  appressed 
  scales. 
  Foreivings 
  elongate- 
  

   lanceolate, 
  apex 
  blunt-pointed 
  : 
  neuration, 
  12 
  veins 
  ; 
  7-8 
  stalked, 
  7 
  to 
  costa 
  ; 
  rest 
  

   separate, 
  2 
  remote 
  from 
  3, 
  5 
  approximate 
  to 
  4 
  ; 
  1 
  basally 
  furcate. 
  Hindwings 
  1 
  + 
  , 
  

   trapezoidal, 
  apex 
  pointed, 
  termen 
  sinuate 
  beneath 
  : 
  neuration, 
  8 
  veins 
  ; 
  6-7 
  very 
  

   closely 
  approximate 
  toward 
  base 
  ; 
  3-4 
  connate 
  ; 
  5 
  parallel 
  to 
  4. 
  Abdomen 
  

   moderate. 
  Legs 
  : 
  hind 
  tibiae 
  and 
  the 
  long 
  basal 
  joint 
  of 
  tarsi 
  haired 
  above, 
  laterally 
  

   compressed. 
  

  

  Mometa 
  zemiodes, 
  sp. 
  n. 
  

  

  Antennae 
  blackish 
  above, 
  ochreous 
  beneath. 
  Palpi 
  and 
  Head 
  yellowish 
  ochreous. 
  

   Thorax 
  fuscous-black. 
  Forewings 
  fuscous-black, 
  with, 
  conspicuous, 
  sharply 
  denned, 
  

   yellowish 
  ochreous 
  markings 
  — 
  a 
  narrow 
  fascia 
  close 
  to 
  the 
  base, 
  a 
  large 
  round 
  spot 
  

   at 
  the 
  end 
  of 
  the 
  cell, 
  and 
  a 
  round 
  costal 
  spot 
  on 
  veins 
  9-10 
  ; 
  cilia 
  ,fuscous, 
  with 
  a 
  

   darker 
  line 
  near 
  their 
  base 
  ; 
  the 
  ochreous 
  spots 
  do 
  not 
  show 
  on 
  the 
  underside. 
  

   Exp. 
  al. 
  15-17 
  mm. 
  Hindwings 
  and 
  cilia 
  fuscous, 
  with 
  a 
  paler 
  line 
  along 
  the 
  margin. 
  

   Abdomen 
  fuscous-black, 
  the 
  two 
  basal 
  segments 
  and 
  the 
  anal 
  segment 
  ochreous 
  above. 
  

   Legs 
  fuscous-black, 
  the 
  tarsi 
  marked 
  with 
  ochreous. 
  

   Type 
  cJ 
  (400088) 
  BM. 
  

  

  Southern 
  Nigeria 
  : 
  Ibadan, 
  © 
  in 
  seeds 
  of 
  Cotton, 
  3. 
  vii. 
  excl. 
  19-21. 
  vii. 
  1913 
  

   {W. 
  A. 
  Lamborn, 
  no. 
  125).* 
  Three 
  specimens, 
  presented 
  by 
  the 
  Imperial 
  Bureau 
  of 
  

   Entomology. 
  

  

  A 
  very 
  conspicuous 
  species 
  ; 
  in 
  one 
  of 
  the 
  specimens 
  the 
  two 
  outer 
  spots 
  tend 
  to 
  

   unite, 
  but 
  the 
  specimen 
  is 
  in 
  poor 
  condition. 
  

  

  ♦[For 
  the 
  habits 
  of 
  the 
  larva, 
  see 
  p. 
  201. 
  — 
  Ed.] 
  

  

  