﻿106 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  07 
  

  

  GHILIANELLA 
  ALIENA, 
  new 
  species. 
  

  

  Female. 
  — 
  Legs 
  and 
  antennae 
  yellow, 
  head 
  and 
  body 
  darker, 
  brown, 
  

   the 
  former 
  practically 
  without 
  markings, 
  the 
  abdomen 
  with 
  some 
  

   paler 
  marblings. 
  Frontal 
  spine 
  porrect, 
  stramineous; 
  pubescence 
  

   short, 
  grayish. 
  Prothorax 
  longest, 
  metathorax 
  shortest; 
  thorax 
  

   and 
  head 
  conspicuously 
  granulate. 
  Abdomen 
  long 
  and 
  smoothly 
  

   clavate, 
  widest 
  at 
  distal 
  part 
  of 
  fourth 
  segment. 
  Seventh 
  tergite 
  

   nearly 
  square, 
  the 
  hind 
  margin 
  declivate, 
  the 
  posterior 
  angles 
  and 
  

   median 
  tubercle 
  slightly 
  and 
  about 
  equally 
  produced 
  ; 
  eighth 
  tergite 
  

   semicircular, 
  carinate 
  medianly, 
  corrugated 
  laterally; 
  ninth 
  as 
  

   described 
  in 
  key. 
  Seventh 
  sternite 
  moderately 
  convex 
  medianly, 
  

   concave 
  laterally. 
  

  

  Length, 
  18 
  mm. 
  

  

  Holotype. 
  — 
  Female, 
  Sarare, 
  Venezuela, 
  1896, 
  F. 
  Geay 
  (Paris 
  

   Mus.). 
  

  

  A 
  teneral 
  female, 
  same 
  data, 
  apparently 
  of 
  the 
  same 
  species, 
  is 
  

   21 
  mm. 
  long. 
  

  

  GHILIANELLA 
  PASCOEI 
  Bergroth. 
  

  

  Ghilianella 
  pascoci 
  Bergroth, 
  E. 
  Ploeariinen 
  1906, 
  pp. 
  315-317 
  [Venezuela]. 
  

  

  Male. 
  — 
  General 
  color 
  dark 
  reddish 
  brown 
  (less 
  mature 
  specimens 
  

   yellow-brown, 
  variegated 
  with 
  darker), 
  hairs 
  numerous 
  but 
  short 
  

   and 
  little 
  aggregated 
  into 
  patches; 
  abdomen 
  widening 
  gradually 
  

   from 
  base 
  to 
  hypopygium; 
  seventh 
  tergite 
  a 
  fourth 
  longer 
  than 
  

   sixth, 
  somewhat 
  corrugated 
  transversely 
  on 
  posterior 
  two-thirds; 
  

   second 
  sternite 
  slightly 
  sinuate 
  laterally, 
  third 
  and 
  fourth 
  almost 
  

   transverse, 
  fifth 
  rounded 
  emarginate 
  medianly, 
  sixth 
  almost 
  trans- 
  

   verse, 
  seventh 
  and 
  eighth 
  shallowly 
  emarginate 
  medianly, 
  slightly 
  

   convex 
  laterally, 
  spiracle 
  of 
  latter 
  included 
  within 
  border 
  of 
  seg- 
  

   ment; 
  hypopygium 
  rather 
  short, 
  claspers 
  oblong, 
  narrowed 
  apically 
  

   the 
  upper 
  margin 
  convex 
  (fig. 
  175). 
  Sternites 
  2-7, 
  finely 
  wrinkled 
  

   transversely. 
  

  

  Female. 
  — 
  Color 
  as 
  in 
  male; 
  in 
  pale 
  specimens 
  the 
  abdomen 
  is 
  

   marbled 
  and 
  leg 
  markings 
  are 
  evident 
  ; 
  abdomen 
  widening 
  gradually 
  

   from 
  base 
  to 
  juncture 
  of 
  fourth 
  and 
  fifth 
  segments, 
  narrowing 
  little 
  

   posterior 
  of 
  that 
  point 
  ; 
  connexivum 
  more 
  or 
  less 
  carinate 
  ; 
  hind 
  mar- 
  

   gins 
  of 
  tergites 
  2-6 
  very 
  slightly 
  elevated 
  medianly, 
  otherwise 
  un- 
  

   modified; 
  tergite 
  7 
  with 
  the 
  posterior 
  angles 
  prominent 
  and 
  very 
  

   slightly 
  flaring, 
  middle 
  of 
  hind 
  margin 
  with 
  a 
  small 
  angulate 
  prom- 
  

   inence, 
  extending 
  about 
  as 
  far 
  posteriorly 
  as 
  lateral 
  angles, 
  margin 
  

   between 
  prominences 
  slightly 
  concave 
  and 
  declivate; 
  eighth 
  tergite 
  

   rather 
  long, 
  convex 
  posteriorly, 
  short 
  median 
  line, 
  two 
  transverse 
  

   lines 
  near 
  upper 
  end 
  of 
  former, 
  and 
  margin, 
  slightly 
  elevated, 
  ar- 
  

   cuate 
  both 
  transversely 
  and 
  longitudinally, 
  median 
  line 
  almost 
  

  

  