﻿86 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  67 
  

  

  Fore 
  coxa 
  1.5 
  or 
  more 
  longer 
  than 
  fore 
  tibia 
  ; 
  first 
  spine 
  of 
  fore 
  femur 
  at 
  

   more 
  than 
  its 
  own 
  length 
  from 
  base. 
  uhleri. 
  

  

  neglectus. 
  

  

  Male 
  hypopygium 
  with 
  a 
  squarish 
  process 
  on 
  hind 
  margin 
  ; 
  first 
  spine 
  of 
  fore 
  

  

  femur 
  at 
  more 
  than 
  its 
  length 
  from 
  base. 
  

  

  Fore 
  coxa 
  less 
  than 
  1.5 
  times 
  as 
  long 
  as 
  fore 
  tibia. 
  banksii. 
  

  

  Fore 
  coxa 
  nearly 
  twice 
  as 
  long 
  as 
  fore 
  tibia. 
  annulipes. 
  

  

  fraternus. 
  

   METAPTERUS 
  ABERRANS, 
  new 
  species. 
  

  

  A 
  small, 
  dark, 
  robust 
  species, 
  wth 
  characters 
  of 
  male 
  hypopygium 
  

   and 
  female 
  genital 
  segments 
  similar 
  to 
  those 
  of 
  uhleri. 
  The 
  head 
  

   lacks 
  the 
  process 
  between 
  the 
  bases 
  of 
  antennae 
  and 
  the 
  labrum 
  is 
  

   but 
  little 
  protruded, 
  in 
  one 
  specimen 
  almost 
  imperceptibly 
  so. 
  The 
  

   pronotum 
  has 
  a 
  very 
  deep 
  constriction 
  near 
  posterior 
  margin 
  and 
  

   its 
  hind 
  margin 
  has 
  a 
  short 
  backwardly 
  projecting 
  process 
  in 
  middle. 
  

   Wing 
  pads 
  small. 
  Apical 
  tergite 
  in 
  female 
  as 
  in 
  uhleri 
  but 
  shorter 
  ; 
  

   male 
  hypopygium 
  as 
  seen 
  from 
  the 
  side 
  as 
  in 
  figure 
  147, 
  the 
  upper 
  

   posterior 
  margin 
  with 
  an 
  erect 
  spine. 
  

  

  Length, 
  7-8 
  mm. 
  

  

  Holotype. 
  — 
  Male, 
  allotype, 
  and 
  one 
  male 
  paratype, 
  Austin, 
  Tex., 
  

   January 
  3, 
  1901 
  (Bueno). 
  

  

  METAPTERUS 
  UHLERI 
  (Banks). 
  

  

  Barce 
  uhleri 
  Banks, 
  N. 
  Emesidae, 
  1909, 
  p. 
  47 
  [Southern 
  Pines, 
  N. 
  C.]. 
  

  

  This 
  species, 
  aberrans 
  and 
  neglectus, 
  agree 
  with 
  linearis, 
  the 
  

   genotype, 
  in 
  having 
  an 
  erect 
  spine 
  inside 
  the 
  hind 
  border 
  of 
  male 
  

   hypopygium, 
  but 
  like 
  all 
  the 
  other 
  American 
  species 
  known 
  to 
  us 
  

   differs 
  from 
  linearis 
  in 
  that 
  the 
  male 
  claspers 
  are 
  not 
  abruptly 
  

   bent 
  apically 
  and 
  directed 
  upward 
  on 
  each 
  of 
  the 
  apical 
  spine. 
  

   M. 
  aberrans, 
  uhleri, 
  and 
  neglectus 
  have 
  another 
  character 
  also 
  in 
  

   common 
  with 
  linearis, 
  namely 
  that 
  the 
  pale 
  streak 
  on 
  lower 
  surface 
  

   of 
  head 
  is 
  narrower 
  than 
  interocular 
  width 
  or 
  is 
  interrupted 
  by 
  a 
  

   dark 
  spot 
  behind 
  each 
  eye. 
  The 
  external 
  genital 
  characters 
  of 
  both 
  

   sexes 
  of 
  M. 
  uhleri 
  are 
  illustrated 
  by 
  figures 
  148 
  to 
  151, 
  the 
  fore 
  

   leg 
  by 
  figure 
  14G. 
  

  

  Length, 
  7-9 
  mm. 
  

  

  Data 
  for 
  specimens 
  examined 
  : 
  Forest 
  Hills, 
  Mass., 
  March 
  30. 
  1915, 
  

   F. 
  X. 
  Williams; 
  Truro, 
  Mass., 
  Sept. 
  4, 
  1904; 
  North 
  Attleboro, 
  

   Mass., 
  Oct. 
  3, 
  1920, 
  C. 
  A. 
  Frost 
  (Parshley) 
  ; 
  Hyannisport, 
  Mass., 
  

   Aug. 
  18, 
  1899, 
  J. 
  L. 
  Zabriskie 
  (Am. 
  Mus.) 
  ; 
  New 
  York 
  (Cornell 
  

   Univ.); 
  Central 
  Park, 
  Long 
  Island, 
  N. 
  Y., 
  April 
  11, 
  1915, 
  G. 
  P. 
  

   Englehardt 
  (Bueno) 
  ; 
  Sea 
  Cliff, 
  Long 
  Island, 
  N. 
  Y., 
  N. 
  Banks 
  

   (Paratype, 
  McAtee) 
  ; 
  Ithaca,, 
  N. 
  Y., 
  July 
  21, 
  1921, 
  Aug. 
  22, 
  1892 
  

   (Cornell 
  Univ.) 
  ; 
  White 
  Plains, 
  N. 
  Y., 
  Oct. 
  25, 
  1908 
  (Bueno) 
  ; 
  Cape 
  

   May 
  County, 
  N. 
  J., 
  April 
  10, 
  11, 
  1911, 
  Wm. 
  T. 
  Davis 
  (Davis) 
  ; 
  Lake- 
  

   hurst, 
  N. 
  J., 
  May 
  2, 
  1908, 
  H. 
  G. 
  Barber; 
  Vienna, 
  Va., 
  Aug., 
  1919, 
  

  

  