﻿468 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.98 
  

  

  MELISSODES 
  (sensu 
  lato) 
  SPILOGNATHUS. 
  new 
  species 
  

  

  Female. 
  — 
  Length 
  about 
  9.5 
  mm., 
  black; 
  moderately 
  robust, 
  the 
  

   base 
  of 
  each 
  mandible 
  with 
  a 
  large 
  triangular 
  yellow 
  mark; 
  face 
  broad, 
  

   orbits 
  converging 
  below; 
  malar 
  space 
  short, 
  but 
  not 
  linear; 
  clypeus 
  

   moderately 
  shining, 
  punctured; 
  labrum 
  a 
  broad 
  polished 
  band; 
  

   flagellum 
  faintly 
  brownish 
  beneath; 
  a 
  shining 
  line 
  above 
  sides 
  of 
  

   clypeus; 
  sides 
  of 
  face 
  and 
  a 
  band 
  above 
  mandibles 
  with 
  conspicuous 
  

   grayish 
  hair, 
  cheeks 
  and 
  occiput 
  with 
  the 
  same; 
  vertex 
  shining; 
  

   thorax 
  at 
  sides 
  and 
  on 
  scutellum 
  with 
  thick 
  grayish 
  hair; 
  mesonotum 
  

   dull, 
  with 
  thin 
  hair; 
  area 
  of 
  metathorax 
  very 
  short, 
  pointed 
  behind; 
  

   tegulae 
  dark 
  browTi; 
  wings 
  dusky, 
  not 
  reddish, 
  nervures 
  dark; 
  stigma 
  

   small 
  and 
  narrow; 
  marginal 
  cell 
  with 
  an 
  obtuse 
  end, 
  far 
  away 
  from 
  

   costa; 
  basal 
  nervure 
  straight; 
  second 
  submarginal 
  cell 
  much 
  narrowed 
  

   above, 
  receiving 
  first 
  recurrent 
  vein 
  not 
  far 
  from 
  end; 
  outer 
  side 
  of 
  

   third 
  submarginal 
  cell 
  with 
  a 
  double 
  curve; 
  legs 
  black, 
  with 
  long 
  gray- 
  

   ish 
  hair, 
  scopa 
  of 
  hind 
  legs 
  large, 
  full 
  of 
  orange 
  pollen; 
  apex 
  of 
  tarsi 
  

   reddened; 
  abdomen 
  shining, 
  mth 
  apical 
  half 
  of 
  fifth 
  tergite, 
  and 
  apex 
  

   with 
  dense 
  pale 
  reddish 
  hair; 
  the 
  other 
  tergites 
  with 
  very 
  sparse 
  hair, 
  

   and 
  no 
  bands. 
  

  

  Honduras: 
  Zamorano, 
  December 
  1 
  (A, 
  Pelen). 
  It 
  was 
  nesting 
  in 
  

   the 
  ground. 
  

  

  r^/pe.— 
  U.S.N.M. 
  No. 
  58570. 
  

  

  This 
  species, 
  unique 
  by 
  the 
  light 
  marks 
  on 
  mandibles, 
  but 
  no 
  yellow 
  

   elsewhere, 
  is 
  certainly 
  not 
  a 
  true 
  Melissodes. 
  It 
  is 
  perhaps 
  to 
  be 
  

   regarded 
  as 
  a 
  distinct 
  genus. 
  

  

  MELISSODES 
  ALBICAUDUS, 
  new 
  species 
  

  

  Male. 
  — 
  Length 
  about 
  8.5 
  mm.; 
  antennae 
  about 
  5 
  mm., 
  reaching 
  

   first 
  abdominal 
  tergite; 
  black, 
  with 
  the 
  clypeus 
  lemon-yellow, 
  the 
  

   yellow 
  deeply 
  notched 
  at 
  sides, 
  the 
  upper 
  margin 
  nearly 
  straight; 
  

   labrum 
  yellow; 
  mandibles 
  dark 
  reddish, 
  with 
  a 
  yellowish 
  spot 
  at 
  

   base; 
  flagellum 
  slender, 
  light 
  reddish 
  beneath; 
  scape 
  entirely 
  black; 
  

   face 
  and 
  cheeks 
  with 
  white 
  hair; 
  thorax 
  with 
  thin 
  white 
  hah; 
  mesono- 
  

   tum 
  highly 
  polished; 
  tegulae 
  dark 
  reddish; 
  wings 
  dusky 
  hyaline, 
  with 
  

   small 
  dark 
  stigma 
  and 
  thick 
  dark 
  nervures; 
  marginal 
  cell 
  obtusely 
  

   pointed, 
  away 
  from 
  costa; 
  second 
  submarginal 
  cell 
  smallest, 
  fairly 
  

   broad, 
  receiving 
  first 
  recurrent 
  nervure 
  some 
  distance 
  from 
  end; 
  

   second 
  recurrent 
  nearer 
  to 
  end 
  of 
  third 
  submarginal 
  cell; 
  basal 
  nerv- 
  

   ure 
  practically 
  interstitial; 
  legs 
  black, 
  the 
  tarsi 
  more 
  or 
  less 
  brownish; 
  

   hind 
  legs 
  not 
  swollen; 
  abdomen 
  broad, 
  shining 
  and 
  bare 
  at 
  base, 
  

   but 
  beginning 
  with 
  the 
  apical 
  part 
  of 
  second 
  tergite, 
  covered 
  with 
  

   appressed 
  white 
  hair; 
  apparently 
  no 
  lateral 
  spines 
  in 
  apical 
  region. 
  

  

  Honduras: 
  Zamorano, 
  November 
  (W. 
  P. 
  Cockerell). 
  Also 
  taken 
  

   in 
  December 
  by 
  Vidales. 
  

  

  r?/pg.— 
  U.S.N.M. 
  No. 
  5857 
  L 
  

  

  