﻿190 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.98 
  

  

  22. 
  Second 
  antennal 
  segment 
  prolonged 
  fingerlike 
  along 
  inner 
  margin 
  of 
  flagel- 
  

  

  lum; 
  scutellum 
  rounded 
  posteriorly 
  or 
  hornlike, 
  without 
  spines 
  or 
  den- 
  

   ticles 
  23 
  

  

  Second 
  antennal 
  segment 
  transverse 
  or 
  at 
  most 
  moderately 
  convex 
  apically, 
  

   not 
  prolonged 
  along 
  inner 
  margin 
  of 
  flagellum 
  ; 
  scutellum 
  with 
  either 
  a 
  few 
  

   pi-ominent 
  or 
  with 
  numerous 
  minute 
  denticles 
  24 
  

  

  23. 
  Scutellum 
  level 
  with 
  mesonotum, 
  evenly 
  rounded 
  posteriorly; 
  antennae 
  

  

  arising 
  from 
  a 
  pair 
  of 
  frontal 
  prominences; 
  style 
  slender, 
  aristalike; 
  

   stigma 
  much 
  shorter 
  than 
  discal 
  cell; 
  vein 
  Rj^, 
  arising 
  slightly 
  beyond 
  

  

  r-ni 
  Artemitomima 
  mirabilis, 
  new 
  species 
  

  

  Scutellum 
  hornlike, 
  extending 
  above 
  level 
  of 
  mesonotum; 
  antennae 
  not 
  lo- 
  

   cated 
  on 
  prominences 
  ; 
  style 
  as 
  thick 
  as 
  first 
  antennal 
  segment 
  ; 
  stigma 
  as 
  

   long 
  as 
  discal 
  cell 
  ; 
  vein 
  R2+3 
  arising 
  distinctly 
  before 
  r-m. 
  

  

  Aulana 
  cyrtaspis 
  (Kert^sz) 
  

  

  24. 
  Fifth 
  tergite 
  with 
  a 
  prominent 
  rounded 
  process 
  at 
  its 
  base 
  medially 
  ; 
  denticles 
  

  

  of 
  scutellar 
  margin 
  all 
  uniformly 
  small 
  and 
  arranged 
  in 
  one 
  row. 
  

  

  Adraga 
  australis, 
  new 
  species 
  

   Fifth 
  tergite 
  without 
  a 
  definite 
  basal 
  prominence 
  25 
  

  

  25. 
  Scutellum 
  on 
  its 
  posterior 
  margin 
  with 
  several 
  pairs 
  of 
  setiferous 
  cornicles, 
  

  

  the 
  apical 
  pair 
  being 
  spinelike 
  ; 
  basal 
  complex 
  of 
  flagellum 
  much 
  longer 
  than 
  

   broad, 
  spindleshaped 
  ; 
  body 
  distinctly 
  tomentose, 
  the 
  thorax 
  and 
  abdomen 
  

  

  of 
  the 
  male 
  being 
  in 
  large 
  part 
  silvery 
  Wallacea 
  argentea 
  Doleschall 
  

  

  Scutellum 
  on 
  its 
  posterior 
  margin 
  with 
  numerous 
  small 
  denticles 
  arranged 
  in 
  

   several 
  irregular 
  transverse 
  rows; 
  basal 
  complex 
  of 
  flagellum 
  rounded, 
  

   slightly 
  higher 
  than 
  long 
  ; 
  body 
  bare 
  of 
  conspicuous 
  hairs 
  or 
  tomentum. 
  

  

  Pegadomyla 
  nuda, 
  new 
  species 
  

  

  26. 
  Scutellum 
  with 
  two 
  or 
  four 
  distinct 
  spines 
  27 
  

  

  Scutellum 
  unspined, 
  its 
  margin 
  at 
  most 
  with 
  denticles 
  31 
  

  

  27. 
  Arista 
  thickened, 
  straplike; 
  vein 
  R2+3 
  arising 
  before 
  crossvein 
  r-m 
  and 
  run- 
  

  

  ning 
  so 
  close 
  to 
  Ri 
  that 
  it 
  is 
  not 
  readily 
  apparent 
  ; 
  vein 
  R4+B 
  bent 
  at 
  a 
  sharp 
  

   angle 
  at 
  juncture 
  with 
  crossvein 
  r-m; 
  vein 
  Cu2-f2nd 
  A 
  fully 
  as 
  long 
  as 
  

  

  free 
  section 
  of 
  Cuj 
  28 
  

  

  Arista 
  thin 
  ; 
  vein 
  Rt+s 
  arising 
  beyond 
  crossvein 
  r-m 
  ; 
  vein 
  Rs 
  not 
  angularly 
  

   bent 
  at 
  juncture 
  with 
  crossvein 
  r-m 
  ; 
  vein 
  Cu2-f 
  2nd 
  A 
  much 
  shorter 
  than 
  

   free 
  section 
  of 
  Cuj; 
  scutellum 
  4-spined 
  29 
  

  

  28. 
  Scutellum 
  with 
  4 
  spines 
  ; 
  mesonotum 
  and 
  scutellum 
  with 
  dense 
  silvery 
  tomen- 
  

  

  tum 
  ; 
  wing 
  broadly 
  brownish 
  near 
  costal 
  margin. 
  

  

  Acyrocera 
  argyraspis 
  Lindner 
  

   Scutellum 
  with 
  2 
  spines; 
  mesonotum 
  with 
  yellowish 
  to 
  silvery 
  tomentum, 
  

   which 
  is 
  not 
  especially 
  dense 
  or 
  conspicuous 
  ; 
  wing 
  hyaline. 
  

  

  Leveromyia 
  geniculata 
  Lindner 
  

  

  29. 
  Mesonotum 
  in 
  front 
  of 
  suture 
  with 
  silvery 
  tomentum 
  interrupted 
  by 
  an 
  in- 
  

  

  verted 
  U-shaped 
  arch 
  of 
  inconspicuous 
  black 
  or 
  brown 
  tomentum 
  30 
  

  

  Mesonotum, 
  except 
  narrow 
  lateral 
  margins, 
  mostly 
  with 
  brown 
  tomentum 
  in 
  

   front 
  of 
  suture 
  Evaza 
  solonionensis 
  solomonensis 
  Curran 
  

  

  30. 
  All 
  tibiae 
  dark 
  brown 
  Evaza 
  solomonensis 
  incidens 
  Curran 
  

  

  Middle 
  and 
  hind 
  tibiae 
  yellowish 
  white, 
  at 
  most 
  darkened 
  basally 
  and 
  

  

  apically 
  Evaza 
  solomonensis 
  whitneyi 
  Curran 
  

  

  31. 
  Second 
  antennal 
  segment 
  produced 
  thumblike 
  into 
  flagellum 
  on 
  inner 
  side; 
  

  

  wings 
  uniformly 
  clouded 
  ; 
  mesonotum 
  covered 
  with 
  whitish 
  to 
  pale 
  yellow 
  

   tomentum, 
  in 
  the 
  female, 
  at 
  least, 
  interrupted 
  by 
  3 
  longitudinal 
  vittae 
  of 
  

   black 
  tomentum 
  ; 
  hind 
  femur 
  greatly 
  thickened, 
  with 
  small, 
  blunt 
  spines 
  

   below 
  Salduba 
  lugiibris 
  Walker 
  

  

  