﻿akt. 
  1 
  AMERICAN 
  PLOIARIINAE 
  McATEE 
  AND 
  M 
  ALLOC 
  H 
  15 
  

  

  KEY 
  TO 
  THE 
  SPECIES. 
  

  

  1. 
  Pronotum 
  with 
  the 
  lateral 
  carinae 
  distinguishable 
  only 
  at 
  anterior 
  and 
  pos- 
  

  

  terior 
  extremities, 
  obsolete 
  in 
  middle; 
  eighth 
  sternite 
  in 
  male 
  with 
  a 
  large 
  

   rounded 
  central 
  incision 
  in 
  posterior 
  margin 
  (tig. 
  2) 
  ; 
  stigma 
  with 
  a 
  red- 
  

   dish 
  line 
  along 
  inner 
  or 
  posterior 
  margin 
  from 
  cross-vein 
  to 
  apex. 
  

  

  rubromaculatus 
  (Blackburn) 
  (p. 
  16). 
  

  

  Pronotum 
  with 
  the 
  lateral 
  carinae 
  complete, 
  pale 
  colored 
  on 
  their 
  entire 
  

  

  length 
  ; 
  eighth 
  sternite 
  in 
  male 
  produced 
  in 
  middle 
  of 
  hind 
  margin 
  ; 
  stigma 
  

  

  without 
  a 
  red 
  line 
  along 
  inner 
  margin 
  apically 
  2 
  

  

  2. 
  Pronotum 
  with 
  two 
  dorsal 
  linear 
  yellowish 
  carinae 
  similar 
  to 
  the 
  lateral 
  

  

  carinae, 
  extending 
  the 
  entire 
  length 
  of 
  dorsum 
  ; 
  dark 
  markings 
  of 
  forewings 
  

   peppered 
  with 
  minute 
  hyaline 
  dots 
  ; 
  lateral 
  carinae 
  of 
  pronotum 
  not 
  capi- 
  

   tate 
  at 
  anterior 
  extremity 
  barberi 
  (McAtee 
  and 
  Malloch) 
  (p. 
  19). 
  

  

  Pronotum 
  without 
  sharp 
  dorsal 
  carinae, 
  with 
  two 
  slight 
  rounded 
  longitudinal 
  

   elevations 
  ; 
  dark 
  markings 
  of 
  forewings 
  solid 
  ; 
  lateral 
  carinae 
  more 
  or 
  less 
  

   distinctly, 
  produced 
  or 
  capitate 
  at 
  anterior 
  extremities 
  3 
  

  

  3. 
  Hind 
  wings 
  conspicuously 
  spotted 
  with 
  black 
  apically, 
  or 
  fuscous 
  with 
  white 
  

  

  reticulations 
  4 
  

  

  Hind 
  wings 
  not 
  spotted 
  apically 
  or 
  very 
  faintly 
  so 
  at 
  extreme 
  tip 
  (cf. 
  

   orthoneuron) 
  5 
  

  

  4. 
  Pronotum 
  with 
  a 
  conspicuous 
  tubercle 
  on 
  middle 
  of 
  hind 
  margin 
  ; 
  anterior 
  ex- 
  

  

  tremity 
  of 
  lateral 
  carina 
  of 
  pronotum 
  with 
  a 
  small 
  capitate 
  process 
  which 
  

   projects 
  nearly 
  at 
  right 
  angles 
  to 
  pronotum 
  ; 
  fore 
  wings 
  not 
  perceptibly 
  

   honeycombed 
  as 
  in 
  next 
  species; 
  vein 
  closing 
  posterior 
  half 
  of 
  apex 
  of 
  dis- 
  

   cal 
  cell 
  much 
  more 
  conspicuously 
  bent 
  than 
  its 
  fellow 
  (tig. 
  11). 
  

  

  errabundus 
  (Say) 
  (p. 
  24). 
  

   Pronotum 
  without 
  a 
  median 
  tubercle 
  on 
  hind 
  margin; 
  lateral 
  carina 
  of 
  pro- 
  

   notum 
  with 
  at 
  most 
  a 
  slight 
  process 
  at 
  anterior 
  extremity 
  which 
  is 
  not 
  

   capitate 
  nor 
  at 
  right 
  angles 
  to 
  pronotum 
  ; 
  fore 
  wings 
  microscopically 
  honey- 
  

   combed 
  with 
  fine 
  black 
  lines 
  which 
  are 
  most 
  noticeable 
  basad 
  of 
  apex 
  of 
  

   discal 
  cell 
  and 
  in 
  the 
  dark 
  spots 
  of 
  membrane 
  (best 
  seen 
  in 
  transmitted 
  

   light) 
  ; 
  veins 
  closing 
  discal 
  cell 
  almost 
  symmetrically 
  formed. 
  

  

  reticulatus, 
  new 
  species 
  (p. 
  20). 
  

  

  5. 
  Both 
  veins 
  closing 
  discal 
  cell 
  of 
  hemelytra 
  at 
  apex 
  nearly 
  straight 
  (fig. 
  4) 
  ; 
  

  

  posterior 
  lobe 
  of 
  pronotum 
  not 
  narrowed 
  in 
  front, 
  a 
  little 
  broader 
  than 
  long, 
  

   without 
  a 
  median 
  process 
  on 
  middle 
  of 
  hind 
  margin, 
  the 
  lateral 
  carina 
  with 
  

   a 
  small 
  process 
  at 
  anterior 
  extremity 
  ; 
  wing 
  without 
  microscopic 
  honeycomb- 
  

   ing; 
  hind 
  wings 
  may 
  be 
  faintly 
  spotted 
  apically. 
  

  

  orthoneuron, 
  new 
  species 
  (p. 
  18). 
  

   At 
  least 
  the 
  vein 
  closing 
  posterior 
  half 
  of 
  apex 
  of 
  discal 
  cell 
  conspicuously 
  

   bent 
  or 
  angulated 
  ; 
  posterior 
  lobe 
  of 
  pronotum 
  as 
  long 
  as 
  or 
  longer 
  than 
  

   broad, 
  narrowed 
  anteriorly, 
  the 
  sides 
  not 
  straight 
  ; 
  wings 
  without 
  micro- 
  

   scopic 
  honeycombing 
  

  

  6. 
  The 
  large 
  fuscous 
  spots 
  on 
  forewings 
  irrorated 
  with 
  minute 
  clear 
  dots 
  ; 
  one 
  

  

  or 
  two 
  of 
  the 
  spines 
  at 
  base 
  of 
  ventral 
  series 
  on 
  fore 
  femur 
  about 
  as 
  long 
  

   as 
  the 
  femoral 
  diameter 
  and 
  quite 
  stout 
  ; 
  fore 
  coxa 
  stouter 
  than 
  usual, 
  not 
  

   longer 
  than 
  distance 
  from 
  coxal 
  cavity 
  to 
  upper 
  margin 
  of 
  pronotum 
  ; 
  tu- 
  

   bercle 
  on 
  hind 
  margin 
  of 
  pronotum 
  small, 
  the 
  lateral 
  carina 
  with 
  a 
  small 
  

   process 
  at 
  anterior 
  extremity 
  which 
  projects 
  at 
  nearly 
  right 
  angles 
  to 
  the 
  

  

  pronotum 
  parshleyi 
  (Bergroth) 
  (p. 
  22). 
  

  

  The 
  large 
  fuscous 
  spots 
  on 
  forewings 
  not 
  irrorated; 
  fore 
  femoral 
  spines 
  

   not 
  nearly 
  as 
  long 
  as 
  the 
  femoral 
  diameter; 
  fore 
  coxa 
  longer 
  than 
  dis- 
  

   tance 
  from 
  coxal 
  cavity 
  to 
  upper 
  margin 
  of 
  pronotum 
  anteriorly 
  7 
  

  

  