﻿26 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  67 
  

  

  14. 
  Elytra 
  with 
  a 
  common 
  sutural 
  macula 
  castelnaui 
  Reiehe. 
  

  

  (marginata 
  Gastelnau.) 
  

   Elytra 
  with 
  an 
  entire 
  sutural 
  vitta. 
  somewhat 
  expanded 
  medially. 
  

  

  suturalis 
  Germar. 
  

  

  15. 
  Sutural 
  macula 
  nearly 
  round. 
  Form 
  ovate 
  * 
  centralis 
  MacLeay 
  

  

  Sutural 
  macula 
  oval, 
  more 
  or 
  less 
  produced 
  toward 
  the 
  scutellum 
  16 
  

  

  16. 
  Size 
  larger, 
  9 
  mm. 
  Sutural 
  macula 
  larger 
  * 
  maculigera 
  MacLeay. 
  

  

  Size 
  smaller, 
  5 
  mm. 
  Sutural 
  macula 
  smaller 
  * 
  thouzeti 
  Gastelnau. 
  

  

  17. 
  Thorax 
  and 
  elytra 
  pale 
  yellow 
  with 
  black 
  maculae 
  * 
  amabilis 
  Gastelnau. 
  

  

  Thorax 
  and 
  elytra 
  in 
  large 
  part 
  hlack 
  or 
  dark 
  piceous 
  18 
  

  

  18. 
  Thorax 
  and 
  elytra 
  without 
  distinct 
  pale 
  margins 
  19 
  

  

  Thorax 
  and 
  elytra 
  with 
  broad, 
  distinct, 
  pale 
  margins 
  24 
  

  

  19. 
  Elytra 
  with 
  pale 
  macula 
  on 
  each 
  20 
  

  

  Elytra 
  with 
  oblique 
  or 
  curved 
  vittae 
  21 
  

  

  20. 
  Elytra 
  with 
  a 
  dull 
  reddish 
  margin. 
  Form 
  slightly 
  broader. 
  

  

  colymbetoides 
  Westwood. 
  

   Elytra 
  without 
  reddish 
  margin. 
  Form 
  slightly 
  narrower. 
  

  

  bimaculata 
  Gastelnau. 
  

  

  21. 
  Elytra 
  alutaceous, 
  with 
  large, 
  pale 
  macula 
  occupying 
  most 
  of 
  the 
  disk, 
  

  

  deeply 
  emarginate 
  toward 
  the 
  suture 
  * 
  spreta 
  Blackburn. 
  

  

  Elytra 
  smooth, 
  shining 
  22 
  

  

  22. 
  Elytra 
  each 
  with 
  oblique 
  arcuate 
  vitta, 
  broader 
  and 
  somewhat 
  hooked 
  

  

  basally 
  * 
  bicolor 
  Gastelnau. 
  

  

  Elytral 
  vitta? 
  not 
  arcuate 
  and 
  hooked 
  23 
  

  

  23. 
  Elytra 
  each 
  with 
  oblique 
  vitta 
  extending 
  from 
  base 
  near 
  the 
  middle 
  to 
  

  

  suture, 
  slightly 
  behind 
  the 
  middle, 
  forming 
  a 
  broad 
  V. 
  

  

  * 
  rockhamptonensis 
  Castelnau. 
  

  

  Elytra 
  vittae 
  longer, 
  extending 
  nearly 
  to 
  elytral 
  apices. 
  Thorax 
  unusually 
  

  

  elongate. 
  Elytra 
  nearly 
  as 
  wide 
  as 
  long 
  * 
  macleayi 
  Masters. 
  

  

  24. 
  Elytra 
  each 
  with 
  one 
  macula 
  * 
  albopicta 
  Newman. 
  

  

  Elytra 
  each 
  with 
  two 
  maculae 
  or 
  a 
  vitta 
  25 
  

  

  25. 
  Elytra 
  each 
  with 
  two 
  maculae 
  26 
  

  

  Elytra 
  each 
  with 
  an 
  oblique 
  vitta 
  27 
  

  

  26. 
  Pale 
  margins 
  of 
  thorax 
  and 
  elytra 
  wider. 
  Elytra 
  more 
  strongly 
  alutaceous 
  

  

  and 
  less 
  shining. 
  Anterior 
  maculae 
  bifurcate 
  posteriorly. 
  Head 
  larger. 
  

  

  Size 
  larger, 
  7-2.5 
  mm 
  maculata 
  Newman. 
  

  

  Pale 
  margins 
  of 
  thorax 
  and 
  elytra 
  narrower. 
  Elytra 
  more 
  shining. 
  Ante- 
  

   rior 
  maculae 
  produced 
  posteriorly 
  at 
  their 
  middle. 
  Head 
  smaller. 
  Size 
  

   smaller, 
  5.5 
  mm 
  quadrimaculata 
  MacLeay. 
  

  

  27. 
  Elytral 
  vittae 
  very 
  broad, 
  covering 
  most 
  of 
  the 
  elytra. 
  

  

  * 
  occidentalis 
  Castelnau. 
  

   Elytral 
  vittae 
  narrower, 
  more 
  or 
  less 
  dilated 
  at 
  the 
  humeri 
  28 
  

  

  28. 
  Thorax 
  with 
  a 
  median 
  dark 
  area 
  hydroporoides 
  Westwood. 
  

  

  Thorax 
  with 
  a 
  pale 
  yellow 
  median 
  vitta 
  * 
  bivittata 
  Gestro. 
  

  

  The 
  following 
  species 
  of 
  Sphallomorpha 
  are 
  identified 
  in 
  the 
  

   material 
  at 
  hand 
  : 
  

  

  SPHALLOMORPHA 
  DECIPIENS 
  Westwood 
  

  

  Victoria 
  (2), 
  Victoria, 
  Austral 
  (Edwards 
  Coll.), 
  South 
  Australia 
  

   (Lea) 
  (2).— 
  Coll. 
  Amer. 
  Mus. 
  Nat. 
  Hist. 
  

  

  