﻿NO. 
  1970. 
  NEARCTIC 
  ORTHOPTEROUS 
  INSECTS— 
  CAUDELL. 
  599 
  

  

  Burr, 
  as 
  he 
  lists 
  it 
  in 
  the 
  genus 
  Labia 
  in 
  his 
  fascicule 
  of 
  Genera 
  Insec- 
  

   torum. 
  It 
  belongs, 
  however, 
  to 
  Prolahia 
  and 
  is 
  a 
  synonym 
  of 
  

   arachidis, 
  as 
  stated 
  above. 
  

  

  Prolahia 
  unidentata 
  Beauvois 
  includes 
  as 
  synonyms 
  the 
  Labia 
  

   guttata 
  and 
  melancholica 
  of 
  Scudder 
  and 
  the 
  Forficula 
  fulchella 
  of 
  

  

  Serville. 
  Prolahia 
  burgessi 
  Scudder, 
  first 
  relegated 
  to 
  

  

  varietal 
  rank 
  under 
  unidentata 
  by 
  Burr, 
  is 
  superficially 
  'O* 
  >0 
  

  

  Hke 
  arachidis 
  but 
  is 
  structurally 
  quite 
  different, 
  as 
  indi- 
  fig. 
  6.-meta- 
  

   cated 
  in 
  the 
  foregoing 
  key. 
  sternum 
  of 
  

  

  rv 
  • 
  1 
  . 
  « 
  LABIDURA, 
  

  

  The. 
  genus 
  b'pongovostox 
  is 
  represented 
  m 
  our 
  fauna 
  showing 
  the 
  

   by 
  the 
  single 
  species 
  apicidenta 
  Caudell, 
  described 
  as 
  a 
  posterior 
  

   Spongiphora. 
  pared 
  with 
  

  

  Vostox 
  Burr 
  is 
  represented 
  in 
  nearctic 
  America 
  by 
  the 
  ^^ 
  ^^^^^ 
  ™^ 
  

   tj'pe-species, 
  the 
  Spongipliora 
  brunneipennis 
  of 
  Serville. 
  

  

  The 
  fourth 
  subfamily 
  as 
  represented 
  in 
  our 
  fauna 
  contains 
  three 
  

   genera, 
  Psalis 
  Serville, 
  Labidura 
  Leach, 
  and 
  Anisolabis 
  Fieber. 
  The 
  

   characters 
  given 
  in 
  the 
  following 
  key 
  will 
  serve 
  to 
  separate 
  them. 
  

  

  Key 
  to 
  genera 
  of 
  subfamily 
  Labidurinse. 
  

  

  a^. 
  Metastemum 
  at 
  posterior 
  margin 
  almost 
  or 
  quite, 
  often 
  more 
  than, 
  twice 
  aa 
  broad 
  

   as 
  the 
  width 
  of 
  one 
  of 
  the 
  hiad 
  coxse 
  (fig. 
  6). 
  

   bK 
  With 
  both 
  elytra 
  and 
  wings; 
  cheeks 
  behind 
  the 
  eyes, 
  as 
  viewed 
  from 
  above, 
  

   no 
  longer 
  than 
  the 
  eyes; 
  sixth 
  joint 
  of 
  antennae 
  generally 
  no 
  longer 
  than 
  

  

  broad 
  Labidura 
  Leach. 
  

  

  b^. 
  With 
  neither 
  elytra 
  nor 
  wings; 
  cheeks 
  behind 
  the 
  eyes, 
  as 
  viewed 
  from 
  above, 
  

   a 
  little 
  longer 
  than 
  the 
  eyes; 
  sixth 
  joint 
  of 
  antennse 
  generally 
  a 
  little 
  longer 
  

  

  than 
  broad 
  Anisolabia 
  Fieber. 
  

  

  a^. 
  Metastemum 
  at 
  posterior 
  margin 
  but 
  little, 
  if 
  any, 
  broader 
  than 
  the 
  width 
  of 
  one 
  

   of 
  the 
  hind 
  coxae 
  (fig. 
  7) 
  Psalis 
  Serville. 
  

  

  Of 
  the 
  above 
  genera, 
  Labidura 
  and 
  Psalis 
  are 
  each 
  represented 
  in 
  

  

  our 
  fauna 
  by 
  a 
  single 
  species. 
  The 
  other 
  genus, 
  Anisolabis, 
  contains 
  

  

  ^ 
  — 
  ^ 
  two 
  species 
  found 
  within 
  our 
  boundaries, 
  both 
  cosmo- 
  

  

  ^/O 
  politan,one, 
  A. 
  maritima 
  Gen^, 
  being 
  found 
  only 
  along 
  

  

  Fig. 
  7.-METAS- 
  the 
  seashore. 
  The 
  second 
  species 
  of 
  Anisolabis, 
  A. 
  annvr- 
  

  

  Psrus^sHow 
  ^^^^^ 
  Lucas, 
  is 
  often 
  found 
  quite 
  a 
  distance 
  from 
  the 
  

  

  iNG 
  TUE 
  PCS- 
  coast. 
  It 
  has 
  one 
  or 
  two 
  of 
  the 
  segments 
  in 
  the 
  apical 
  

  

  TERIORWK.TH 
  portlou 
  of 
  thc 
  antennsB 
  whitish 
  and 
  almost 
  always 
  has 
  

  

  AS 
  COMPARED 
  , 
  „ 
  i 
  i 
  • 
  i 
  1 
  4 
  i 
  • 
  1 
  mi 
  i 
  

  

  the 
  remora 
  banded 
  with 
  blackish. 
  These 
  characters 
  will 
  

  

  WITH 
  THAT 
  OF 
  

   THE 
  HIND 
  

  

  serve 
  to 
  distinguish 
  it 
  from 
  maritima, 
  which 
  has 
  the 
  

  

  femora 
  and 
  antennse 
  unicolorous. 
  

   Psalis 
  percheroni 
  Guerin 
  and 
  Percheron 
  is 
  the 
  only 
  representative 
  

   of 
  the 
  genus 
  Psalis 
  from 
  the 
  United 
  States. 
  It 
  was 
  recorded 
  from 
  a 
  

   single 
  specimen 
  taken 
  many 
  years 
  ago 
  in 
  Massachusetts 
  by 
  Harris. 
  

   This 
  specimen, 
  now 
  lost, 
  was 
  an 
  accidental 
  introduction, 
  and 
  so 
  the 
  

   species 
  is 
  not 
  really 
  ehgible 
  for 
  entrance 
  in 
  our 
  lists 
  except 
  as 
  a 
  

   casual 
  visitor. 
  

  

  