﻿512 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.68 
  

  

  gins. 
  Length, 
  male 
  7.6 
  mm., 
  female 
  7 
  mm. 
  Specimens 
  from 
  pre- 
  

   serving 
  fluid, 
  color 
  unknown. 
  

  

  Thorax 
  low; 
  metopidium 
  produced 
  anteriorly 
  before 
  rounding 
  

   posteriorly, 
  slightly 
  angulate 
  toward 
  center 
  instead 
  of 
  evenly 
  rounded 
  

   in 
  dorsal 
  aspect; 
  suprahumerals 
  completely 
  suppressed; 
  humerals 
  

   prominent; 
  sides 
  of 
  pronotum 
  sharply 
  and 
  deeply 
  cut 
  away 
  just 
  

   posterior 
  to 
  humerals; 
  posterior 
  process 
  not 
  strongly 
  deflected. 
  

  

  Teeth 
  on 
  lateral 
  valves 
  of 
  male, 
  slender, 
  convergent 
  apically. 
  

   Sternal 
  plate 
  with 
  broad, 
  shallow, 
  apical 
  notch; 
  lobe 
  on 
  either 
  side 
  of 
  

   notch 
  broadly 
  rounded. 
  Styles 
  very 
  broad, 
  flat, 
  elongate, 
  strongly 
  

   curved 
  dorsally, 
  acute 
  apically; 
  outer 
  margins 
  of 
  apices 
  rounded 
  to 
  

   straight 
  inner 
  margins. 
  Posterior 
  arm 
  of 
  aedeagus 
  gradually 
  narrowed 
  

   to 
  rounded 
  apex. 
  Last 
  ventral 
  segment 
  of 
  female 
  with 
  broad 
  U- 
  

   shaped 
  notch 
  in 
  center 
  of 
  posterior 
  margin. 
  

  

  Male 
  holotype 
  (U.S.N.M. 
  No. 
  57649) 
  and 
  female 
  allotype 
  from 
  

   Espanola, 
  N. 
  Mex., 
  August 
  29, 
  1940 
  (Christenson), 
  and 
  one 
  female 
  

   paratype, 
  Santa 
  Fe, 
  N. 
  Mex., 
  "Oct. 
  4" 
  (Cockerell). 
  

  

  ANISOSTYLUS 
  STYLATUS. 
  new 
  speciea 
  

  

  Plate 
  22 
  

  

  'Resembling 
  Julgidus 
  (Ball) 
  from 
  which 
  it 
  is 
  easily 
  separated 
  by 
  its 
  

   more 
  robust 
  form 
  and 
  long 
  slender 
  styles 
  in 
  the 
  male. 
  

  

  Length, 
  male 
  5.7 
  mm., 
  female 
  6.2 
  mm. 
  Pronotum 
  dark 
  green; 
  

   apex 
  of 
  posterior 
  process 
  dark 
  orange. 
  Face 
  and 
  entire 
  venter 
  yellow, 
  

   abdomen 
  black 
  above. 
  

  

  Thorax 
  low; 
  metopidium 
  broadly 
  transversely 
  rounded; 
  supra- 
  

   humerals 
  indicated 
  by 
  slight 
  swellings; 
  humerals 
  prominent, 
  obtuse; 
  

   sides 
  of 
  pronotum 
  behind 
  humerals 
  gradually 
  and 
  shallowly 
  narrowed; 
  

   posterior 
  process 
  reaching 
  to 
  a 
  point 
  in 
  line 
  with 
  the 
  posterior 
  end 
  of 
  

   apical 
  cells 
  in 
  elytra, 
  strongly 
  deflexed 
  in 
  male, 
  less 
  so 
  in 
  female. 
  

  

  Male 
  with 
  teeth 
  of 
  lateral 
  valves 
  acute 
  apically. 
  Sternal 
  plate 
  with 
  

   sharp 
  apical 
  notch; 
  lobes 
  on 
  either 
  side 
  of 
  notch 
  narrowly 
  rounded. 
  

   Styles 
  slightly 
  flattened, 
  very 
  elongate, 
  strongly 
  curved 
  dorsally; 
  

   apices 
  acute, 
  deflected 
  caudally. 
  Posterior 
  arm 
  of 
  aedeagus 
  gradually 
  

   narrowed 
  apically 
  to 
  rounded 
  apex. 
  Last 
  ventral 
  segment 
  of 
  female 
  

   with 
  broad, 
  deep 
  notch 
  in 
  center 
  of 
  posterior 
  margin. 
  

  

  Holotype 
  male 
  (United 
  States 
  National 
  Museum 
  No, 
  57650), 
  

   Avon, 
  Utah, 
  May 
  29, 
  1939 
  (Knowlton); 
  female 
  allotype, 
  Laketown, 
  

   Utah, 
  April 
  11, 
  1935 
  (Sorenson); 
  male 
  paratype. 
  Garland, 
  Utah, 
  

   September 
  4, 
  1935 
  (Knowlton), 
  male 
  paratype, 
  Logan, 
  Utah, 
  Sep- 
  

   tember 
  7, 
  1906 
  (Ball), 
  and 
  male 
  paratype, 
  Ridale, 
  Idaho, 
  April 
  17, 
  

   1934 
  (Smith). 
  

  

  The 
  forms 
  known 
  to 
  occur 
  in 
  the 
  United 
  States 
  are 
  listed 
  : 
  

  

  