﻿234 
  PROF. 
  M. 
  BEZZI. 
  

  

  incrassated 
  bristles 
  (whence 
  the 
  generic 
  name), 
  which 
  are 
  characteristic 
  of 
  other 
  

   Trypaneid 
  genera, 
  like 
  Straussia, 
  Vidalia, 
  Stemonocera, 
  etc. 
  

  

  Head 
  in 
  front 
  view 
  a 
  little 
  higher 
  than 
  broad. 
  Eyes 
  rather 
  narrow 
  ; 
  lower 
  

   occipital 
  swellings 
  well 
  developed 
  ; 
  jowls 
  as 
  broad 
  as 
  the 
  breadth 
  of 
  the 
  third 
  

   antenna! 
  joint. 
  Frons 
  longer 
  than 
  broad, 
  narrower 
  than 
  the 
  eye 
  ; 
  in 
  the 
  female 
  

   it 
  is 
  flat, 
  while 
  in 
  the 
  male 
  it 
  is 
  distinctly 
  concave 
  in 
  the 
  middle 
  ; 
  the 
  shining 
  orbital 
  

   plates 
  are 
  produced 
  beyond 
  the 
  middle 
  of 
  the 
  frons, 
  and 
  converge 
  in 
  front, 
  and 
  

   moreover 
  in 
  the 
  male 
  they 
  are 
  prominent 
  and 
  cristiform. 
  Face 
  shorter 
  than 
  the 
  

   frons, 
  rather 
  flat, 
  and 
  with 
  a 
  less 
  prominent 
  mouth-border. 
  Antennae 
  inserted 
  

   at 
  the 
  middle 
  of 
  the 
  eyes, 
  proportionally 
  long, 
  but 
  always 
  shorter 
  than 
  the 
  face 
  ; 
  

   second 
  joint 
  not 
  specially 
  prominent, 
  nor 
  spinulose 
  ; 
  third 
  joint 
  elongate 
  linear, 
  

   rather 
  narrow, 
  about 
  three 
  times 
  as 
  long 
  as 
  the 
  second, 
  rounded 
  at 
  tip 
  ; 
  arista 
  

   pubescent, 
  the 
  breadth 
  of 
  its 
  feathering 
  being 
  much 
  narrower 
  than 
  the 
  breadth 
  

   of 
  the 
  third 
  antennal 
  joint. 
  Palpi 
  broad 
  ; 
  proboscis 
  short. 
  Cephalic 
  bristles 
  

   black 
  and 
  strong 
  ; 
  ocp. 
  thin 
  and 
  pointed 
  ; 
  oc. 
  strong 
  and 
  long 
  ; 
  the 
  three 
  s. 
  or. 
  

   are 
  in 
  both 
  sexes 
  very 
  long 
  and 
  incrassated, 
  chiefly 
  the 
  two 
  former, 
  curved 
  back- 
  

   wards, 
  but 
  in 
  the 
  male 
  they 
  are 
  distinctly 
  longer 
  ; 
  two 
  i. 
  or., 
  rather 
  short 
  and 
  

   much 
  shorter 
  than 
  the 
  superior 
  ones 
  ; 
  genal 
  bristle 
  rather 
  short. 
  Thorax 
  yellowish 
  

   grey, 
  pale 
  pubescent, 
  with 
  ill-defined 
  black 
  pattern, 
  and 
  with 
  less 
  striking, 
  whitish, 
  

   pleural 
  markings 
  ; 
  scutellum 
  swollen, 
  rounded, 
  yellowish, 
  with 
  three 
  broad, 
  shining 
  

   black 
  spots. 
  Middle 
  scp. 
  long, 
  approximated, 
  black 
  like 
  all 
  the 
  other 
  bristles 
  ; 
  dc. 
  

   a 
  little 
  beyond 
  the 
  line 
  of 
  the 
  a. 
  sa. 
  ; 
  one 
  mpl. 
  ; 
  pt. 
  as 
  strong 
  as 
  the 
  st. 
  ; 
  four 
  set., 
  

   the 
  a. 
  set. 
  diverging. 
  Abdomen 
  short 
  and 
  oval, 
  with 
  bristles 
  on 
  sides 
  and 
  at 
  end 
  ; 
  

   male 
  genitalia 
  developed 
  ; 
  ovipositor 
  narrow 
  and 
  cylindro-conical, 
  swollen, 
  as 
  long 
  

   as 
  the 
  last 
  three 
  abdominal 
  segments 
  together. 
  Legs 
  short 
  and 
  stout 
  ; 
  front 
  femora 
  

   with 
  a 
  complete 
  row 
  of 
  bristles 
  below 
  ; 
  middle 
  tibiae 
  with 
  one 
  spur 
  ; 
  middle 
  and 
  

   hind 
  tibiae 
  with 
  an 
  external 
  row. 
  Wings 
  long 
  but 
  proportionally 
  not 
  broad, 
  with 
  

   a 
  short 
  but 
  strong 
  costal 
  bristle, 
  with 
  basal 
  dark 
  streaks 
  and 
  dots, 
  and 
  yellowish 
  

   bands 
  ; 
  basal 
  band 
  beginning 
  at 
  stigma 
  and 
  perpendicular 
  ; 
  middle 
  band 
  complete. 
  

   First 
  longitudinal 
  vein 
  produced 
  beyond 
  the 
  small 
  cross-vein 
  ; 
  second 
  vein 
  straight 
  ; 
  

   third 
  vein 
  densely 
  setigerous 
  to 
  the 
  middle 
  of 
  its 
  last 
  portion 
  ; 
  small 
  cross-vein 
  

   oblique 
  and 
  placed 
  considerably 
  before 
  the 
  middle 
  of 
  the 
  discoidal 
  cell 
  ; 
  third 
  and 
  

   fourth 
  slightly 
  divergent 
  at 
  end, 
  the 
  fourth 
  ending 
  much 
  after 
  the 
  tip 
  of 
  wing 
  

   and 
  the 
  first 
  posterior 
  cell 
  not 
  narrowed 
  outwardly 
  ; 
  hind 
  cross-vein 
  before 
  the 
  

   middle 
  of 
  the 
  first 
  posterior 
  cell, 
  very 
  oblique 
  inwardly, 
  the 
  lower 
  angle 
  of 
  the 
  

   discoidal 
  cell 
  therefore 
  acute 
  ; 
  discoidal 
  cell 
  three 
  times 
  as 
  long 
  as 
  the 
  hind 
  cross- 
  

   vein 
  ; 
  anal 
  cross- 
  vein 
  deeply 
  sinuous, 
  the 
  lower 
  angle 
  of 
  the 
  anal 
  cell 
  very 
  long 
  : 
  

   longer 
  than 
  the 
  second 
  basal 
  cell 
  ; 
  axillary 
  lobe 
  broad 
  and 
  semicircular, 
  in 
  the 
  

   male 
  separated 
  by 
  a 
  deeper 
  incision 
  of 
  the 
  hind 
  border 
  at 
  the 
  end 
  of 
  the 
  sixth 
  

   longitudinal 
  vein. 
  

  

  Type 
  : 
  the 
  following 
  new 
  species. 
  

  

  HoploSopha 
  crisiata, 
  sp. 
  nov. 
  (PL 
  xvii, 
  fig. 
  7). 
  

  

  A 
  robust 
  fly 
  of 
  comparatively 
  large 
  size, 
  at 
  once 
  distinguished 
  from 
  all 
  the 
  allied 
  

   forms 
  with 
  a 
  typical 
  Ceratitis-hke 
  wing 
  pattern 
  on 
  account 
  of 
  the 
  cristate 
  frons 
  of 
  the 
  

   male. 
  

  

  