﻿224 
  PROF. 
  M. 
  BEZZI. 
  

  

  Head 
  in 
  front 
  view 
  a 
  little 
  broader 
  than 
  nigh, 
  and 
  distinctly 
  broader 
  than 
  the- 
  

  

  thorax 
  ; 
  eyes 
  rather 
  narrow 
  ; 
  lower 
  occipital 
  swellings 
  much 
  developed 
  ; 
  jowls 
  

  

  rather 
  broad. 
  Frons 
  broader 
  than 
  the 
  eye, 
  as 
  broad 
  as 
  long, 
  a 
  little 
  concave 
  before 
  

  

  the 
  ocelli. 
  Antennae 
  broadly 
  separated 
  from 
  each 
  other 
  at 
  base, 
  inserted 
  near 
  

  

  the 
  middle 
  of 
  the 
  eyes, 
  with 
  the 
  second 
  joint 
  very 
  prominent 
  and 
  beset 
  with 
  strong 
  

  

  spinules, 
  with 
  the 
  third 
  joint 
  pointed 
  at 
  the 
  end 
  and 
  reaching 
  to 
  the 
  middle 
  of 
  the 
  

  

  face 
  ; 
  arista 
  long 
  plumose 
  on 
  both 
  sides. 
  Cephalic 
  bristles 
  long 
  and 
  strong, 
  black 
  ; 
  

  

  the 
  two 
  s. 
  or. 
  are 
  placed 
  on 
  converging 
  plates 
  and 
  the 
  second 
  is 
  very 
  stout, 
  curved 
  

  

  backwards 
  and 
  inserted 
  over 
  a 
  small 
  black 
  tubercle 
  ; 
  three 
  strong 
  i. 
  or. 
  ; 
  oc. 
  very 
  

  

  long 
  and 
  strong 
  ; 
  ocp. 
  black 
  and 
  well 
  developed 
  ; 
  genal 
  bristle 
  very 
  long. 
  Frontal 
  

  

  stripe 
  with 
  only 
  a 
  few 
  hairs 
  towards 
  the 
  middle. 
  Thoracic 
  chaetotaxy 
  complete 
  ; 
  

  

  dc. 
  placed 
  a 
  little 
  before 
  the 
  line 
  of 
  the 
  a. 
  sa. 
  ; 
  two 
  mpl. 
  ; 
  pt. 
  long 
  and 
  strong. 
  

  

  Scutellum 
  rounded, 
  convex, 
  swollen, 
  less 
  distinctly 
  trilobate, 
  shining 
  black, 
  with 
  

  

  four 
  bristles 
  and 
  some 
  stout 
  whitish 
  hairs 
  above. 
  Abdomen 
  ovate, 
  as 
  broad 
  as 
  

  

  the 
  thorax, 
  acute 
  at 
  the 
  end, 
  bristly 
  at 
  hind 
  border 
  of 
  the 
  segments 
  ; 
  

  

  male 
  genitalia 
  small. 
  Legs 
  stout, 
  simple 
  ; 
  front 
  femora 
  with 
  a 
  complete 
  row 
  

  

  of 
  bristles 
  beneath 
  ; 
  middle 
  tibiae 
  with 
  two 
  spurs 
  at 
  end 
  ; 
  hind 
  tibiae 
  without 
  distinct 
  

  

  posterior 
  row. 
  Wings 
  rather 
  long, 
  with 
  fuscous 
  basal 
  streaks 
  and 
  fuscous 
  bands 
  ; 
  

  

  basal 
  band 
  oblique, 
  with 
  its 
  upper 
  end 
  beyond 
  the 
  stigma, 
  united 
  with 
  the 
  marginal 
  

  

  band 
  ; 
  middle 
  band 
  complete 
  ; 
  cubital 
  band 
  isolated. 
  Basal 
  segment 
  of 
  costa 
  with 
  

  

  two 
  groups 
  of 
  2-3 
  erect 
  spines 
  each, 
  the 
  first 
  placed 
  just 
  above 
  the 
  humeral 
  cross- 
  vein, 
  

  

  the 
  second 
  just 
  before 
  the 
  costal 
  bristle, 
  which 
  is 
  well 
  developed. 
  First 
  longitudinal 
  

  

  vein 
  ending 
  before 
  the 
  small 
  cross- 
  vein 
  ; 
  second 
  vein 
  nearly 
  straight 
  ; 
  third 
  vein 
  

  

  a 
  little 
  curved 
  about 
  the 
  middle 
  of 
  its 
  last 
  section, 
  and 
  then 
  parallel 
  with 
  the 
  fourth 
  

  

  or 
  slightly 
  diverging, 
  beset 
  with 
  scattered 
  bristles 
  to 
  beyond 
  the 
  small 
  cross-vein, 
  

  

  which 
  is 
  placed 
  near 
  the 
  middle 
  of 
  the 
  discoidal 
  cell 
  ; 
  hind 
  cross- 
  vein 
  long 
  and 
  rather 
  

  

  sinuous, 
  inwardly 
  oblique, 
  the 
  lower 
  angle 
  of 
  the 
  discoidal 
  cell 
  being 
  acute 
  ; 
  discoidal 
  

  

  cell 
  about 
  three 
  times 
  as 
  long 
  as 
  the 
  hind 
  cross- 
  vein 
  ; 
  anal 
  cross- 
  vein 
  deeply 
  sinuous 
  ; 
  

  

  the 
  anal 
  cell 
  with 
  a 
  broad 
  point, 
  which 
  is 
  not 
  longer 
  than 
  the 
  second 
  basal 
  cell. 
  

  

  1. 
  Bistrispinaria 
  fortis, 
  Speiser, 
  1913. 
  (PI. 
  xvh, 
  fig. 
  5). 
  

  

  A 
  stout 
  species, 
  distinguished 
  by 
  its 
  frons, 
  antennae 
  and 
  legs. 
  

  

  (J 
  Length 
  of 
  body 
  5 
  mm. 
  ; 
  of 
  wing 
  6 
  mm. 
  

  

  Head 
  entirely 
  pale 
  yellowish, 
  opaque, 
  with 
  a 
  dark 
  brown 
  subocular 
  spot; 
  face 
  

   whitish, 
  with 
  a 
  dark 
  yellowish 
  stripe 
  at 
  the 
  mouth-border; 
  frons 
  with 
  a 
  darkish 
  

   rounded 
  middle 
  spot. 
  Antennae 
  entirely 
  yellowish, 
  with 
  the 
  third 
  joint 
  distinctly 
  

   darker; 
  the 
  spinules 
  of 
  the 
  second 
  joint 
  are 
  black 
  and 
  thick. 
  Palpi 
  whitish, 
  with 
  

   black 
  bristles; 
  proboscis 
  yellowish. 
  All 
  the 
  bristles 
  are 
  black, 
  like 
  the 
  hairs 
  on 
  

   middle 
  of 
  the 
  frons. 
  The 
  lower 
  occipital 
  swellings 
  are 
  whitish 
  and 
  clothed 
  with 
  

   white 
  hairs. 
  The 
  thorax 
  is 
  blackish 
  on 
  the 
  dorsum 
  but 
  densely 
  grey-dusted 
  and 
  

   clothed 
  with 
  pale 
  yellowish 
  hairs 
  ; 
  on 
  the 
  disc 
  there 
  are 
  three 
  narrow 
  longitudinal 
  

   darker 
  stripes, 
  the 
  lateral 
  ones 
  being 
  broadly 
  interrupted 
  at 
  the 
  suture; 
  on 
  the 
  sides 
  

   there 
  are 
  two 
  broad, 
  subquadrate, 
  shining 
  black, 
  ill-defined 
  spots 
  ; 
  the 
  humeri 
  are 
  

   yellowish; 
  on 
  the 
  postalar 
  calli 
  there 
  is 
  a 
  rounded, 
  deep 
  black, 
  opaque 
  spot. 
  

   The 
  pleurae 
  are 
  reddish 
  brown, 
  rather 
  shining, 
  with 
  a 
  whitish 
  yellow 
  patch 
  on 
  

   the 
  upper 
  border 
  of 
  the 
  mesopleura, 
  continued 
  below 
  the 
  root 
  of 
  wings, 
  and 
  

  

  