﻿NEW 
  LAMPYEID 
  FIREFLY 
  — 
  McDERMOTT 
  37 
  

  

  at 
  least 
  the 
  larger 
  portion 
  of 
  it 
  apical, 
  the 
  longitudinal 
  portion 
  being 
  

   usually 
  merely 
  an 
  irregular 
  and 
  sometimes 
  interrupted 
  line, 
  and 
  but 
  

   little 
  developed 
  along 
  the 
  basal 
  margin. 
  

  

  SCUTELLUM 
  AND 
  MESONOTAL 
  PLATES 
  I 
  White 
  Or 
  yelloW. 
  

  

  Elytra 
  : 
  7.0-8.0 
  by 
  1.6-2.0 
  mm. 
  ; 
  ground 
  color 
  brown 
  to 
  nearly 
  

   black; 
  on 
  each 
  a 
  white 
  to 
  yellow 
  vitta, 
  oblique, 
  usually 
  extending 
  to 
  

   about 
  three-quarters 
  the 
  elytral 
  length 
  ; 
  wide 
  yellowish 
  lateral 
  borders 
  

   which 
  give 
  a 
  slightly 
  oval 
  contour; 
  narrow 
  sutural 
  borders. 
  

  

  Ventral 
  thoeacic 
  surface 
  : 
  Brown. 
  

  

  Tekglfes 
  : 
  Tergites 
  1 
  to 
  6 
  brown 
  ; 
  tergite 
  7 
  lighter 
  or 
  only 
  partially 
  

   inf 
  uscate 
  ; 
  tergite 
  8 
  pale 
  to 
  white. 
  

  

  Sternites 
  : 
  2 
  to 
  5 
  usually 
  brown, 
  sometimes 
  becoming 
  darker 
  in 
  this 
  

   order; 
  sternite 
  5 
  may 
  be 
  yellow; 
  sternites 
  6 
  and 
  7 
  luminous 
  in 
  the 
  

   male 
  ; 
  and 
  sternite 
  8 
  with 
  a 
  median 
  posterior 
  point, 
  which 
  may 
  be 
  very 
  

   short. 
  The 
  luminous 
  area 
  in 
  the 
  female 
  differs 
  from 
  the 
  pattern 
  seen 
  

   in 
  versicolor^ 
  being 
  a 
  transverse 
  bilobed 
  area 
  medially 
  very 
  narrow, 
  on 
  

   segment 
  6, 
  and 
  a 
  relatively 
  large 
  elliptical 
  area 
  on 
  segment 
  7. 
  

  

  Legs 
  : 
  Long 
  ; 
  tibial 
  spurs 
  long, 
  pattern 
  0-2-2. 
  

  

  Aedeagus 
  : 
  In 
  the 
  one 
  dissected, 
  2.25 
  mm. 
  long, 
  identical 
  in 
  appear- 
  

   ance 
  with 
  that 
  of 
  P. 
  lucicrescens 
  and 
  the 
  other 
  photurids 
  described 
  by 
  

   Barber.^ 
  

  

  Type 
  aifid 
  paratypes. 
  — 
  USNM 
  61469. 
  

  

  Type 
  locality. 
  — 
  Bethany 
  Beach, 
  Del. 
  

  

  Material 
  examined. 
  — 
  Holotype 
  (male) 
  and 
  five 
  paratypes, 
  collected 
  

   by 
  McDermott 
  at 
  type 
  locality, 
  July 
  11, 
  1951; 
  paratype 
  (female), 
  col- 
  

   lected 
  by 
  McDermott 
  at 
  type 
  locality, 
  August 
  1949. 
  

  

  Remarks. 
  — 
  Photuris 
  hethaniensis 
  is 
  probably 
  a 
  seacoast 
  form; 
  it 
  

   has 
  not 
  been 
  noted 
  elsewhere. 
  The 
  flash 
  suggests 
  P. 
  fairchildi 
  Barber, 
  

   1951, 
  but 
  the 
  latter 
  is 
  a 
  larger 
  species 
  with 
  narrow 
  elytral 
  borders. 
  

  

  * 
  Barber, 
  H. 
  S. 
  North 
  American 
  fireflies 
  of 
  the 
  genus 
  Photuris. 
  Smithsonian 
  Misc. 
  Coll., 
  

   vol. 
  117, 
  No. 
  1, 
  pp. 
  1-58, 
  3 
  figs., 
  1951. 
  

  

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