﻿288 
  ERNEST 
  E. 
  AUSTEN. 
  

  

  Linn., 
  £, 
  absent 
  ; 
  occiput 
  light 
  olive 
  grey, 
  upper 
  border 
  darker 
  (greyish 
  olive) 
  ; 
  

   with 
  exception 
  of 
  a 
  few 
  minute 
  black 
  or 
  blackish 
  hairs 
  on 
  front 
  above 
  median 
  

   frontal 
  spot, 
  and 
  between 
  upper 
  extremities 
  of 
  inner 
  sides 
  of 
  lateral 
  frontal 
  spots, 
  

   hair 
  on 
  head 
  entirely 
  pale, 
  that 
  on 
  front 
  and 
  fringe 
  of 
  occiput 
  above 
  with 
  a 
  distinct 
  

   yellowish 
  tinge, 
  hair 
  on 
  face 
  and 
  jowls 
  white 
  ; 
  frontal 
  spots 
  dead 
  black, 
  median 
  

   spot 
  distinct, 
  lateral 
  spots 
  large, 
  roughly 
  oval, 
  not 
  in 
  contact 
  with 
  eyes 
  ; 
  frontal 
  

   callus 
  shining 
  black, 
  of 
  moderate 
  and 
  practically 
  uniform 
  depth, 
  narrowly 
  

   separated 
  from 
  eye 
  on 
  each 
  side, 
  and 
  with 
  upper 
  margin 
  produced 
  in 
  middle 
  line 
  

   into 
  an 
  upwardly 
  directed 
  angle 
  ; 
  spot 
  in 
  middle 
  line 
  below 
  callus 
  dull 
  black, 
  

   triangular 
  or 
  wedge-shaped 
  in 
  outline 
  (narrower 
  below) 
  ; 
  eyes 
  clothed 
  with 
  minute, 
  

   pale 
  hairs 
  ; 
  palpi 
  light 
  buff, 
  clothed 
  with 
  white 
  hair, 
  proximal 
  joint 
  light 
  neutral 
  

   grey 
  on 
  outer 
  side 
  towards 
  base, 
  terminal 
  joint 
  slender, 
  elongate 
  and 
  acuminate, 
  

   as 
  viewed 
  from 
  side 
  only 
  slightly 
  swollen 
  towards 
  base 
  ; 
  first 
  joint 
  of 
  antennae 
  

   shining 
  black, 
  neutral 
  grey 
  pollinose 
  on 
  upper 
  surface 
  of 
  proximal 
  half, 
  elliptical 
  

   oval 
  in 
  outline 
  as 
  seen 
  from 
  above, 
  as 
  viewed 
  from 
  side 
  thickest 
  a 
  short 
  distance 
  

   before 
  distal 
  extremity, 
  but 
  without 
  groove-like 
  constriction 
  before 
  latter 
  exhibited 
  

   by 
  both 
  H. 
  pluvialis, 
  Linn., 
  9 
  an 
  d 
  H. 
  sewelli, 
  Austen, 
  5 
  (vide 
  supra) 
  ; 
  first 
  joint 
  

   of 
  antennae, 
  except 
  distal 
  extremity, 
  clothed 
  above 
  and 
  on 
  upper 
  part 
  of 
  outer 
  

   surface 
  with 
  glistening 
  yellowish 
  hair, 
  and 
  below 
  with 
  longer 
  white 
  hair, 
  distal 
  

   extremity 
  clothed 
  with 
  black 
  hair 
  ; 
  second 
  joint 
  of 
  antennae 
  pale 
  (light 
  drab 
  on 
  

   outer 
  side, 
  inner 
  surface 
  greyish 
  pollinose 
  light 
  ochraceous 
  buff), 
  distal 
  angles 
  

   clothed 
  above 
  and 
  below 
  with 
  black 
  hairs 
  ; 
  expanded 
  portion 
  of 
  third 
  joint 
  of 
  

   antennae 
  clove 
  brown 
  (base 
  paler 
  — 
  ochraceous 
  tawny), 
  elongate 
  and 
  tapering, 
  

   moderately 
  expanded 
  a 
  little 
  beyond 
  base, 
  annulate 
  portion 
  brownish 
  black, 
  shorter 
  

   than 
  expanded 
  portion. 
  Thorax 
  : 
  dorsum, 
  including 
  scutellum, 
  clothed 
  with 
  

   partly 
  appressed, 
  partly 
  erect, 
  glistening 
  pale 
  yellowish 
  or 
  whitish 
  hair 
  of 
  medium 
  

   length, 
  hair 
  on 
  front 
  border 
  whitish, 
  somewhat 
  longer 
  and 
  more 
  erect 
  ; 
  fore 
  border 
  

   of 
  dorsum 
  pallid 
  neutral 
  grey 
  ; 
  median 
  pale 
  smoke 
  grey 
  longitudinal 
  stripe 
  extend- 
  

   ing 
  from 
  fore 
  border 
  to 
  a 
  point 
  two-thirds 
  of 
  distance 
  between 
  transverse 
  suture 
  

   and 
  prescutellar 
  groove 
  ; 
  admedian 
  pale 
  smoke 
  grey 
  longitudinal 
  stripes 
  not 
  reach- 
  

   ing 
  transverse 
  suture, 
  but 
  each 
  reappearing 
  behind 
  latter 
  in 
  usual 
  shape 
  of 
  a 
  

   triangular 
  spot 
  resting 
  on 
  suture 
  ; 
  pale 
  smoke 
  grey 
  lateral 
  border 
  on 
  each 
  side 
  

   partially 
  divided 
  behind 
  transverse 
  suture 
  into 
  two 
  longitudinal 
  stripes 
  ; 
  swelling 
  

   occupying 
  depression 
  at 
  each 
  end 
  of 
  transverse 
  suture 
  clothed 
  below 
  with 
  fairly 
  

   long 
  and 
  fine 
  blackish 
  hair 
  ; 
  pleurae 
  and 
  pectus 
  pale 
  smoke 
  grey, 
  and 
  clothed 
  

   with 
  fine 
  white 
  hair. 
  Abdo?nen 
  : 
  black 
  median 
  longitudinal 
  stripe 
  on 
  dorsum 
  

   not 
  sharpely 
  defined 
  on 
  first 
  (visible) 
  tergite, 
  attaining 
  its 
  greatest 
  breadth 
  (one- 
  

   third 
  of 
  transverse 
  diameter 
  of 
  segment) 
  on 
  second 
  tergite 
  and 
  thereafter 
  becoming 
  

   progressively 
  narrower, 
  scarcely 
  distinguishable 
  on 
  seventh 
  tergite, 
  ground-colour 
  

   of 
  which 
  is 
  mouse 
  grey 
  ; 
  hind 
  margins 
  of 
  second 
  and 
  following 
  tergites, 
  as 
  well 
  as, 
  

   on 
  second 
  to 
  sixth 
  segments 
  inclusive, 
  a 
  more 
  or 
  less 
  distinct 
  narrow 
  median 
  line 
  

   light 
  greyish 
  olive 
  ; 
  inner 
  edge 
  of 
  olive-grey 
  lateral 
  border 
  on 
  each 
  side 
  of 
  each 
  

   segment 
  formed 
  by 
  a 
  large 
  rounded 
  grey 
  spot, 
  in 
  contact 
  with 
  anterior 
  border 
  of 
  

   each 
  segment 
  and 
  on 
  first 
  three 
  segments 
  more 
  or 
  less 
  completely 
  fused 
  with 
  lateral 
  

   border, 
  while 
  on 
  last 
  four 
  segments 
  it 
  may 
  be 
  partly 
  or 
  completely 
  separated 
  

   therefrom, 
  in 
  which 
  case 
  the 
  spot 
  is 
  partly 
  surrounded 
  with 
  blackish 
  brown 
  ; 
  

  

  