﻿128 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.67 
  

  

  pygial 
  characters 
  as 
  described 
  in 
  key; 
  eighth 
  tergite 
  is 
  moderately 
  

   long, 
  squarish 
  apically, 
  with 
  subobsolete 
  radiating 
  ridges. 
  

  

  Length, 
  23.5 
  mm. 
  

  

  Holotype. 
  — 
  Female, 
  Charvein, 
  French 
  Guiana, 
  November, 
  1914; 
  

   R. 
  Benoist 
  (Paris 
  Mus.). 
  

  

  GHILIANELLA 
  (PLOEODONYX) 
  GLABRATA, 
  new 
  species. 
  

  

  A 
  rather 
  dark 
  species 
  with 
  the 
  head 
  and 
  body 
  fuscous 
  and 
  the 
  

   appendages 
  yellowish 
  to 
  reddish-brown. 
  Head 
  and 
  thorax 
  practi- 
  

   cally 
  without 
  granulations; 
  pubescence 
  rather 
  sparse, 
  short, 
  pale 
  

   reddish. 
  Central 
  region 
  of 
  tergites 
  nodulose 
  but 
  hardly 
  tuberculate 
  ; 
  

   hind 
  margin 
  of 
  seventh 
  tergite 
  slightly 
  concave, 
  with 
  a 
  small 
  median 
  

   pointed 
  tubercle. 
  Eighth 
  tergite 
  almost 
  semicircular, 
  strongly 
  trans- 
  

   versely 
  wrinkled; 
  ninth 
  tergite 
  with 
  a 
  few 
  strong 
  cross 
  wrinkles, 
  

   tapering 
  rather 
  rapidly, 
  otherwise 
  as 
  described 
  in 
  key. 
  

  

  Length, 
  24 
  mm. 
  

  

  Holotype. 
  — 
  Female, 
  Essequebo 
  River, 
  British 
  Guiana, 
  July, 
  1921, 
  

   Aug. 
  Busck 
  (U.S.N.M.). 
  

  

  Type.— 
  Female, 
  Cat. 
  No. 
  26755, 
  U.S.N.M. 
  

  

  GHILIANELLA 
  (LISSONYX) 
  ANGULATA 
  (Uhler). 
  

  

  Emesa 
  angulata 
  Uhler, 
  P. 
  R. 
  A 
  list 
  of 
  the 
  Hemiptera-Heteroptera 
  col- 
  

   lected 
  in 
  the 
  Iskmd 
  of 
  St. 
  Vincent 
  by 
  Mr. 
  Herbert 
  H. 
  Smith, 
  with 
  Descriptions 
  of 
  

   New 
  Genera 
  and 
  Species. 
  Proc. 
  Zool. 
  Soc. 
  Lond., 
  1893, 
  pp. 
  717-718 
  [St. 
  Vincent, 
  

   W. 
  I.]. 
  

  

  Male. 
  — 
  General 
  color 
  yellow-brown, 
  more 
  fuscous 
  on 
  underside 
  of 
  

   thorax 
  and 
  hypopygium; 
  legs 
  banded 
  and 
  upper 
  surface 
  more 
  or 
  

   less 
  variegated 
  with 
  dark-brown; 
  mid 
  and 
  hind 
  femora 
  each 
  with 
  

   four 
  dark 
  bands 
  and 
  tibiae 
  with 
  3, 
  the 
  latter 
  also 
  more 
  or 
  less 
  

   darkened 
  apically 
  ; 
  front 
  tibiae 
  each 
  with 
  one 
  pale 
  band, 
  and 
  femora 
  

   with 
  two 
  bands 
  and 
  some 
  pale 
  spots 
  above; 
  head 
  and 
  thorax 
  

   with 
  few 
  and 
  inconspicuous 
  granulations; 
  each 
  succeeding 
  division 
  

   of 
  thorax 
  is 
  shorter 
  than 
  that 
  in 
  front 
  of 
  it; 
  abdomen 
  widening 
  

   gradually 
  to 
  juncture 
  of 
  fifth 
  and 
  sixth 
  segments 
  and 
  narrowing 
  

   as 
  gradually 
  to 
  middle 
  of 
  seventh 
  tergite 
  posteriorly; 
  the 
  posterior 
  

   angles 
  of 
  tergites 
  3-6 
  are 
  slightly 
  expanded 
  laterally; 
  tergite 
  7 
  is 
  

   decidedly 
  narrowed 
  about 
  the 
  middle, 
  transversely 
  corrugated 
  and 
  

   broadly 
  rounded 
  apically, 
  with 
  a 
  prominent 
  median 
  apiculation 
  

   reaching 
  about 
  as 
  far 
  posteriorly 
  as 
  any 
  part 
  of 
  hypopygium; 
  hind 
  

   margins 
  of 
  sternites 
  2-5 
  fairly 
  straight, 
  a 
  little 
  emarginate 
  medianly, 
  

   that 
  of 
  sixth 
  decidedly 
  so 
  and 
  arcuate 
  laterally, 
  of 
  seventh 
  and 
  

   eighth 
  on 
  same 
  plan 
  as 
  that 
  of 
  sixth 
  but 
  less 
  pronounced; 
  spiracle 
  

   of 
  eighth 
  rather 
  pedunculate; 
  ninth 
  sternite 
  elongate, 
  rather 
  com- 
  

   pressed 
  posteriorly, 
  with 
  a 
  strong 
  anteriorly 
  and 
  almost 
  horizontally 
  

  

  