﻿245 
  

  

  TWO 
  NEW 
  SPECIES 
  OF 
  WOOD-BORING 
  MOTHS 
  FROM 
  WEST 
  AFRICA. 
  

   By 
  Sir 
  George 
  F. 
  Hampson, 
  Bart. 
  

  

  Duomitus 
  armstrongi, 
  sp. 
  nov. 
  (Plate 
  xvii, 
  fig. 
  8). 
  

  

  $. 
  Head 
  and 
  thorax 
  white 
  ; 
  antennae 
  black 
  ; 
  palpi 
  and 
  sides 
  of 
  head 
  black-brown 
  ; 
  

   prothorax 
  and 
  sides 
  of 
  metathorax 
  with 
  tufts 
  of 
  long 
  black 
  hair 
  slightly 
  glossed 
  with 
  

   metallic 
  blue, 
  the 
  patagia 
  with 
  black 
  spots 
  near 
  base 
  and 
  black 
  tips 
  ; 
  pectus, 
  legs 
  

   and 
  abdomen 
  black-brown, 
  the 
  last 
  with 
  the 
  dilated 
  anal 
  segment 
  whitish, 
  the 
  rest 
  

   of 
  abdomen 
  with 
  tufts 
  of 
  long 
  black 
  hair 
  on 
  dorsum 
  and 
  at 
  sides 
  slightly 
  glossed 
  

   with 
  metallic 
  blue. 
  Forewing 
  grey, 
  the 
  base 
  suffused 
  with 
  black-brown, 
  the 
  rest 
  of 
  

   wing 
  with 
  numerous 
  black-brown 
  spots 
  which 
  tend 
  to 
  become 
  bars 
  on 
  terminal 
  half 
  

   below 
  the 
  cell 
  and 
  vein 
  4. 
  Hindwing 
  black-brown, 
  with 
  traces 
  of 
  deeper 
  black-brown, 
  

   spots 
  on 
  terminal 
  half. 
  

  

  Forewing 
  with 
  a 
  forked 
  veinlet 
  in 
  end 
  of 
  cell, 
  vein 
  3 
  from 
  long 
  before 
  end 
  of 
  cell, 
  

   the 
  median 
  nervure 
  bent 
  upwards 
  slightly 
  just 
  beyond 
  it, 
  vein 
  5 
  from 
  above 
  angle, 
  

   6 
  from 
  well 
  below 
  upper 
  angle, 
  7, 
  8 
  from 
  angle, 
  9 
  absent, 
  10 
  from 
  before 
  angle, 
  

   11 
  from 
  middle 
  of 
  cell 
  ; 
  hind 
  wing 
  with 
  a 
  forked 
  veinlet 
  in 
  end 
  of 
  cell, 
  vein 
  3 
  from 
  

   long 
  before 
  angle, 
  5 
  from 
  just 
  above 
  angle, 
  6, 
  7 
  coincident, 
  8 
  free. 
  Exp. 
  44 
  mill. 
  

  

  Gold 
  Coast 
  : 
  Aburi 
  (L. 
  Armstrong) 
  1 
  $, 
  type. 
  The 
  larva 
  bores 
  in 
  the 
  stem 
  of 
  

   coffee. 
  

  

  Genus 
  Melisomimas. 
  

  

  Melisomimas, 
  Jord., 
  Entom., 
  xl, 
  p. 
  127 
  (1907). 
  

  

  Melisomimas 
  metallica, 
  sp. 
  nov. 
  

   Melisomimas 
  grandis, 
  Jord., 
  Entom., 
  xl, 
  p. 
  127 
  (1907), 
  non 
  descr. 
  — 
  nee 
  Melisa 
  

   grandis, 
  Holland. 
  

  

  Head, 
  thorax 
  and 
  abdomen 
  black, 
  the 
  tegulae 
  with 
  some 
  white 
  hairs 
  at 
  base, 
  the 
  

   patagia 
  with 
  some 
  white 
  hairs 
  at 
  base 
  of 
  upper 
  edge 
  ; 
  coxae 
  with 
  some 
  white 
  hairs, 
  

   the 
  femora, 
  tibia 
  and 
  tarsi 
  white 
  at 
  tips 
  ; 
  abdomen 
  with 
  some 
  metallic 
  blue 
  suffusion. 
  

   Forewing 
  brilliant 
  metallic 
  blue, 
  the 
  basal 
  area 
  suffused 
  with 
  black 
  ; 
  a 
  more 
  or 
  less 
  

   prominent 
  tuft 
  of 
  white 
  hair 
  below 
  base 
  of 
  cell. 
  Hindwing 
  brilliant 
  metallic 
  blue, 
  

   some 
  black 
  suffusion 
  at 
  base 
  of 
  inner 
  area 
  ; 
  some 
  white 
  in 
  submedian 
  fold 
  below 
  

   end 
  of 
  cell 
  and 
  sometimes 
  some 
  white 
  beyond 
  the 
  cell 
  above 
  and 
  below 
  vein 
  5. 
  

   Exp. 
  30-44 
  mill. 
  

  

  Sierra 
  Leone 
  : 
  (Major 
  P. 
  Smith) 
  1 
  $ 
  ; 
  S. 
  Nigeria 
  : 
  Ibadan 
  Distr. 
  (Dr. 
  W. 
  A. 
  

   Lamborri)* 
  2 
  $, 
  type. 
  

  

  * 
  [Bred 
  from 
  larvae 
  boring 
  in 
  the 
  bark 
  of 
  an 
  Albizzia. 
  — 
  Ed.] 
  

  

  (C86) 
  

  

  