﻿24 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  67 
  

  

  SCHIZOPTERA 
  (SCHIZOPTERA) 
  VITELLIUS, 
  new 
  species 
  

  

  Color 
  about 
  as 
  in 
  preceding 
  species, 
  the 
  membrane 
  less 
  infuscate; 
  

   vestiture 
  the 
  same 
  except 
  that 
  hairs 
  on 
  veins 
  are 
  a 
  little 
  more 
  prom- 
  

   inent. 
  Pronotum 
  a 
  little 
  more 
  emarginate 
  in 
  front 
  of 
  scutellum, 
  the 
  

   latter 
  with 
  slight 
  subapical 
  notches. 
  Cross 
  ridge 
  of 
  metapleurum 
  at 
  

   about 
  the 
  middle 
  (fig. 
  38), 
  surface 
  of 
  the 
  sclerite 
  about 
  equally 
  shin- 
  

   ing 
  throughout. 
  Fifth 
  sternite 
  of 
  male 
  with 
  a 
  more 
  complex 
  hook 
  

   than 
  in 
  last 
  species 
  (see 
  fig. 
  78). 
  Length, 
  1 
  mm. 
  

  

  Holotype. 
  — 
  Male, 
  Livingston, 
  Guatemala, 
  May 
  10, 
  E. 
  A. 
  Schwarz 
  

   and 
  H. 
  S. 
  Barber. 
  Cat. 
  No. 
  27599, 
  U.S.N.M. 
  

  

  SCHIZOPTERA 
  (LOPHOPLEURUM) 
  SULCATA, 
  new 
  species 
  

  

  Male. 
  — 
  Brownish 
  fuscous, 
  pronotum 
  unicolorous 
  ; 
  membrane 
  cream 
  

   colored, 
  with 
  or 
  without 
  a 
  faint 
  darker 
  tinge 
  apically 
  over 
  tips 
  of 
  the 
  

   veins 
  ; 
  legs 
  yellow. 
  Dorsal 
  hairs 
  short 
  and 
  decumbent. 
  Inner 
  three- 
  

   fourths 
  of 
  metapleurum 
  elevated 
  and 
  polished, 
  the 
  elevated 
  ridge 
  

   paralleled 
  within 
  on 
  outer 
  and 
  posterior 
  sides 
  by 
  an 
  impressed 
  line 
  

   (fig. 
  39). 
  Pronotum 
  slightly 
  emarginate 
  in 
  front 
  of 
  scutellum, 
  the 
  

   latter 
  narrowed 
  and 
  only 
  slightly 
  notched 
  subapically 
  (fig. 
  35). 
  

   Fifth 
  sternite 
  with 
  a 
  more 
  or 
  less 
  evident 
  process 
  on 
  one 
  side 
  near 
  

   apex 
  (fig. 
  80). 
  Length, 
  1.5 
  mm. 
  

  

  Holotype. 
  — 
  Also 
  two 
  paratypes, 
  Grenada, 
  West 
  Indies, 
  H. 
  H. 
  

   Smith 
  ; 
  one 
  male 
  evidently 
  the 
  same 
  species, 
  Ancon, 
  Canal 
  Zone, 
  May 
  

   12, 
  1911, 
  at 
  arc 
  light, 
  A. 
  H. 
  Jennings. 
  

  

  The 
  Grenada 
  specimens 
  are 
  from 
  the 
  Uhler 
  collection 
  and 
  are 
  

   labelled 
  " 
  Schizoptera 
  flampes 
  Reuter" 
  by 
  Uhler. 
  Cat. 
  No. 
  27600, 
  

   U.S.N.M. 
  

  

  SCHIZOPTERA 
  (LOPHOPLEURUM) 
  BISPINA, 
  new 
  species 
  

  

  Male. 
  — 
  Similar 
  to 
  sulcata 
  in 
  pilosity 
  and 
  color 
  but 
  in 
  the 
  type 
  the 
  

   humeral 
  angles 
  are 
  slightly 
  yellowish, 
  and 
  there 
  is 
  a 
  narrow 
  exten- 
  

   sion 
  of 
  the 
  dark 
  color 
  of 
  the 
  corium 
  over 
  base 
  of 
  membrane. 
  Hind 
  

   margin 
  of 
  pronotum 
  slightly 
  emarginate 
  medianly, 
  scutellum 
  nar- 
  

   rowed 
  and 
  only 
  slightly 
  notched 
  apically. 
  Metapleurum 
  about 
  the 
  

   same 
  as 
  in 
  sulcata. 
  The 
  principal 
  differences 
  in 
  the 
  shape 
  of 
  the 
  fifth 
  

   sternite 
  as 
  shown 
  in 
  figure 
  81. 
  Length, 
  1.25 
  mm. 
  

  

  Holotype. 
  — 
  Cacao 
  Trece 
  Aguas, 
  Alta 
  Vera 
  Paz, 
  Guatemala, 
  

   1906, 
  E. 
  A. 
  Schwarz 
  and 
  H. 
  S. 
  Barber. 
  

  

  A 
  specimen 
  from 
  Tampico, 
  Mexico, 
  December 
  15, 
  collected 
  by 
  

   E. 
  A. 
  Schwarz, 
  has 
  the 
  lateral 
  spines 
  on 
  fifth 
  sternite 
  much 
  shorter 
  

   but 
  is 
  apparently 
  the 
  same 
  species. 
  Cat. 
  No. 
  27601, 
  U. 
  S. 
  N.M. 
  

  

  SCHIZOPTERA 
  (LOPHOPLEURUM) 
  TENUISPINA, 
  new 
  species 
  

  

  Male. 
  — 
  Pale 
  fuscous, 
  legs, 
  antennae 
  basally, 
  costa, 
  commissure, 
  

   base 
  of 
  corium, 
  and 
  disk 
  of 
  membrane 
  yellowish; 
  hairs 
  short, 
  pale, 
  

  

  