﻿10 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  - 
  vol. 
  07 
  

  

  (figs. 
  45, 
  46, 
  47) 
  ; 
  mesonoturn 
  and 
  metanotuui 
  sometimes 
  with 
  tubercles 
  

   but 
  without 
  long 
  spines 
  at 
  apices; 
  fore 
  tarsi 
  3-segmented. 
  

  

  Emesa 
  Fabricius 
  (Westermannia 
  Dohrn) 
  (p. 
  38). 
  

   When 
  there 
  is 
  a 
  vein 
  connecting 
  with 
  the 
  small 
  discal 
  cell 
  it 
  is 
  usually 
  

   short 
  and 
  its 
  end 
  is 
  either 
  free 
  or 
  it 
  does 
  not 
  fuse 
  with 
  the 
  other 
  longi- 
  

   tudinal 
  vein, 
  i. 
  e., 
  disk 
  of 
  wing 
  with 
  but 
  2 
  closed 
  cells 
  (figs. 
  33, 
  63, 
  

   66) 
  6 
  

  

  6. 
  Mesonoturn 
  and 
  metanotuui 
  without 
  long 
  spines; 
  fore 
  tarsi 
  3-segmented. 
  

  

  Myiophanes 
  Reuter 
  (Extralimital). 
  

   Mesonoturn 
  and 
  metanotum 
  each 
  with 
  a 
  long 
  spine 
  or 
  thorn 
  7 
  

  

  7. 
  Fore 
  tarsi 
  3-segmented 
  ; 
  no 
  short 
  vein 
  emanating 
  from 
  costal 
  margin 
  of 
  basal 
  

  

  discal 
  cell 
  of 
  forewing 
  (fig. 
  65) 
  Polauchenia, 
  new 
  genus 
  (p. 
  47). 
  

  

  Fore 
  tarsi 
  2-segniented 
  ; 
  a 
  short 
  vein 
  emitted 
  from 
  costal 
  margin 
  of 
  basal 
  

   discal 
  cell 
  (figs. 
  21, 
  23, 
  26, 
  29) 
  Stenolemus 
  Signoret 
  (p. 
  25). 
  

  

  8. 
  Fore 
  tarsi 
  2-segmented, 
  the 
  segments 
  nearly 
  fused 
  and 
  subequal 
  in 
  length 
  ; 
  

  

  claws 
  unequal 
  Deliastes 
  Dohrn 
  (p. 
  34). 
  

  

  Fore 
  tarsi 
  either 
  3-segmented 
  or 
  the 
  segments 
  not 
  as 
  above 
  and 
  claws 
  

   equal 
  9 
  

  

  9. 
  Pronotuni 
  not 
  extending 
  over 
  mesonoturn 
  even 
  in 
  the 
  winged 
  forms 
  ; 
  fore 
  

  

  tarsus 
  long, 
  heavily 
  chitinised, 
  glossy 
  and 
  bare 
  above, 
  the 
  3 
  segments 
  

   fused 
  so 
  closely 
  that 
  the 
  oblique 
  sutures 
  are 
  visible 
  only 
  under 
  a 
  very 
  

   high-power 
  lens 
  ; 
  venation 
  of 
  forewings 
  as 
  in 
  figures 
  73, 
  84, 
  89 
  ; 
  adults 
  

  

  often 
  apterous 
  Ploriaria 
  Scopoli. 
  (incl. 
  Luteva 
  Dohrn) 
  (p. 
  48). 
  

  

  Pronotum 
  extending 
  over 
  mesonoturn 
  to 
  base 
  of 
  wings 
  ; 
  adults 
  always 
  

   winged 
  ; 
  fore 
  tarsus 
  short, 
  not 
  heavily 
  chitinized 
  nor 
  glossy 
  and 
  bare 
  

   above, 
  the 
  segmentation 
  distinct 
  10 
  

  

  10. 
  Prothorax 
  slightly 
  constricted 
  near 
  anterior 
  margin; 
  mesonoturn, 
  meta- 
  

  

  notum, 
  and 
  basal 
  abdominal 
  tergite 
  each 
  with 
  a 
  long 
  erect 
  spine 
  ; 
  fore 
  

   tarsi 
  2-segniented. 
  

  

  Empicoris 
  Wolff 
  ( 
  =Ploiariodes 
  Buchanan- 
  White) 
  (p. 
  13). 
  

  

  Prothorax 
  slightly 
  constricted 
  at 
  or 
  near 
  middle 
  ; 
  mesonoturn 
  without 
  a 
  

  

  spine; 
  fore 
  tarsi 
  3-segmented 
  11 
  

  

  11. 
  Basal 
  segment 
  of 
  beak 
  shorter 
  than 
  second 
  ; 
  fore 
  tibia 
  with 
  a 
  complete 
  series 
  

  

  of 
  short 
  ventral 
  denticles 
  ; 
  venation 
  of 
  forewing 
  as 
  in 
  figure 
  43. 
  

  

  Lutevopsis 
  Champion 
  (p. 
  37). 
  

   Basal 
  segment 
  of 
  beak 
  longer 
  than 
  second 
  ; 
  fore 
  tibia 
  with 
  short 
  decumbent 
  

   pale 
  setulae 
  on 
  ventral 
  surface 
  ; 
  venation 
  of 
  forewing 
  as 
  in 
  figure 
  38. 
  

  

  Panamia 
  Kirkaldy 
  (p. 
  36). 
  

  

  12. 
  Fore 
  tibia 
  almost 
  half 
  as 
  long 
  as 
  fore 
  femur; 
  basal 
  ventral 
  spine 
  of 
  fore 
  

  

  femur 
  not 
  longer 
  than 
  the 
  longest 
  of 
  the 
  others 
  ; 
  fore 
  tarsus 
  with 
  the 
  seg- 
  

   ments 
  well 
  defined, 
  not 
  heavily 
  chitinized, 
  hairy 
  above; 
  venation 
  of 
  fore- 
  

   wing 
  as 
  in 
  figure 
  94; 
  mesonoturn 
  highly 
  glossy 
  Gardena 
  Dohrn 
  (p. 
  06). 
  

  

  Fore 
  tibia 
  not 
  nearly 
  half 
  as 
  long 
  as 
  fore 
  femur 
  ; 
  basal 
  ventral 
  spine 
  of 
  

   fore 
  femur 
  very 
  distinctly 
  longer 
  than 
  the 
  longest 
  of 
  the 
  others; 
  fore 
  

   tarsus 
  with 
  the 
  segments 
  poorly 
  defined, 
  heavily 
  chitinized, 
  bare 
  above; 
  

   venation 
  of 
  forewing 
  as 
  in 
  figure 
  137 
  ; 
  mesothorax 
  sericeous. 
  

  

  Emesaya 
  n.n. 
  (for 
  Emesa 
  Authors 
  not 
  Fabricius) 
  (p. 
  74). 
  

  

  13. 
  Fore 
  tarsus 
  with 
  two 
  longitudinal 
  series 
  of 
  angularly 
  deflected 
  spines 
  which 
  

  

  under 
  a 
  high 
  power 
  appear 
  like 
  elongate 
  knife-like 
  teeth 
  on 
  its 
  ventral 
  

   surface 
  (fig. 
  166) 
  ; 
  head 
  with 
  a 
  more 
  or 
  less 
  pronounced 
  spine 
  or 
  tubercle 
  

   between 
  bases 
  of 
  antennae, 
  labrum 
  closely 
  adherent 
  to 
  base 
  of 
  rostrum, 
  

   not 
  projecting 
  spine-like 
  (fig. 
  165) 
  ; 
  adults 
  never 
  winged. 
  

  

  Ghilianella 
  Spinola 
  (p. 
  90). 
  

  

  Fore 
  tarsus 
  with 
  two 
  series 
  of 
  decumbent 
  setulose 
  hairs 
  on 
  its 
  ventral 
  

  

  surface 
  (fig. 
  141) 
  ; 
  adults 
  sometimes 
  winged 
  14 
  

  

  