﻿STRATIOMYIDAE 
  OF 
  SOLOMON 
  ISLANDS 
  — 
  JAMES 
  203 
  

  

  by 
  a 
  small 
  glabrous 
  triangle 
  on 
  each 
  ocular 
  margin 
  opposite 
  anterior 
  

   ocellus 
  ; 
  lower 
  half 
  of 
  front 
  bare 
  and 
  glabrous 
  except 
  for 
  a 
  small 
  patch 
  

   of 
  silvery 
  tomentum 
  adjacent 
  to 
  each 
  eye. 
  Facial 
  and 
  occipital 
  orbits 
  

   silvery 
  tomentose; 
  face, 
  except 
  shining 
  median 
  tubercle, 
  with 
  erect 
  

   whitish 
  pile 
  ; 
  pile 
  of 
  occiput 
  more 
  yellowish 
  and 
  less 
  erect. 
  Antennae 
  

   mainly 
  black 
  and 
  black-pilose 
  ; 
  iSrst 
  two 
  segments 
  of 
  flagellum, 
  taken 
  

   together, 
  about 
  as 
  long 
  as 
  broad 
  ; 
  terminal 
  segment 
  of 
  flagellum 
  about 
  

   four 
  times 
  as 
  long 
  as 
  subterminal 
  one, 
  white 
  and 
  white-haired 
  on 
  its 
  

   apical 
  half 
  or 
  more. 
  

  

  Thorax 
  black 
  in 
  ground 
  color, 
  the 
  setigerous 
  plates 
  appearing 
  green- 
  

   ish 
  in 
  certain 
  lights 
  ; 
  a 
  broad 
  median 
  vitta, 
  extending 
  almost 
  to 
  base 
  

   of 
  scutellum, 
  with 
  extremely 
  short 
  black 
  hair 
  ; 
  broad 
  sides 
  of 
  mesono- 
  

   tum, 
  scutellum, 
  and 
  upper 
  parts 
  of 
  the 
  pleura 
  with 
  emerald-green 
  

   iridescent 
  scales 
  which 
  appear 
  violet 
  in 
  certain 
  lights; 
  from 
  certain 
  

   angles 
  these 
  scales 
  seem 
  to 
  cover 
  only 
  certain 
  definite 
  areas, 
  but 
  with 
  

   a 
  change 
  of 
  light 
  incidence 
  they 
  are 
  seen 
  to 
  cover 
  the 
  entire 
  region 
  as 
  

   described; 
  pleura 
  below 
  with 
  yellowish 
  to 
  whitish 
  hair. 
  Scutellum 
  

   two-thirds 
  as 
  long 
  as 
  broad; 
  median 
  spines 
  about 
  one-tliird 
  as 
  long 
  

   as 
  scutellum; 
  spines 
  wholly 
  black 
  to 
  broadly 
  yellow 
  tipped. 
  Legs 
  

   black, 
  the 
  tarsi, 
  especially 
  intermediate 
  ones, 
  tending 
  to 
  become 
  yellow- 
  

   ish 
  ; 
  pile 
  of 
  legs 
  yellowish 
  to 
  brownish 
  yellow, 
  that 
  of 
  tarsi 
  becoming 
  

   golden 
  to 
  reddish 
  yellow. 
  Wings 
  blackish, 
  the 
  intensity 
  of 
  the 
  

   infumation 
  decreasing 
  toward 
  alula, 
  which 
  is 
  subhyaline. 
  

  

  Abdomen 
  black 
  in 
  ground 
  color; 
  the 
  setigerous 
  plates, 
  however, 
  

   shining 
  green 
  and 
  giving 
  the 
  abdomen 
  a 
  subshining 
  green 
  appearance 
  

   when 
  viewed 
  by 
  the 
  naked 
  eye 
  ; 
  a 
  small 
  patch 
  of 
  silvery 
  tomentum 
  on 
  

   each 
  side 
  of 
  the 
  third 
  segment 
  near 
  its 
  anterior 
  margin 
  and 
  at 
  some 
  

   distance 
  from 
  its 
  lateral 
  margin; 
  setulae 
  of 
  tergites 
  otherwise 
  black, 
  

   visible 
  only 
  under 
  high 
  magnification 
  except 
  on 
  the 
  first 
  and 
  anterior 
  

   part 
  of 
  the 
  second 
  segment 
  ; 
  some 
  inconspicuous 
  pale 
  pile 
  ventrally. 
  

   Length, 
  8 
  to 
  11 
  mm. 
  

  

  Male. 
  — 
  Eyes 
  contiguous 
  ; 
  patch 
  of 
  silvery 
  tomentum 
  on 
  front 
  and 
  a 
  

   dense 
  patch 
  of 
  short 
  erect 
  black 
  hair 
  between 
  eyes 
  in 
  front 
  of 
  the 
  

   ocellar 
  triangle. 
  Antennae 
  entirely 
  black. 
  Pile 
  of 
  median 
  stripe 
  of 
  

   mesonotum 
  sometimes 
  with 
  a 
  reddish 
  cast; 
  the 
  stripe 
  more 
  extensive 
  

   than 
  in 
  the 
  female, 
  extending 
  onto 
  the 
  scutellum, 
  and 
  crossed 
  behind 
  

   the 
  suture 
  by 
  a 
  transverse 
  stripe 
  of 
  approximately 
  equal 
  width, 
  thus 
  

   leaving 
  on 
  the 
  mesonotum 
  a 
  cross-shaped 
  area 
  which 
  is 
  devoid 
  of 
  

   iridescent 
  scales. 
  Median 
  scutellar 
  spines 
  nearly 
  half 
  as 
  long 
  as 
  

   scutellum, 
  broadly 
  yellowish 
  at 
  apices. 
  Differs 
  otherwise 
  only 
  

   sexually. 
  Length, 
  7 
  to 
  10 
  mm. 
  

  

  Holotype. 
  — 
  Female, 
  Guadallacanal 
  Island, 
  Jufly 
  1944, 
  July 
  1945 
  

   (Berg), 
  U.S.N.M. 
  No. 
  57309. 
  

  

  Allotype. 
  — 
  Male, 
  same 
  data. 
  

  

  