﻿art. 
  14 
  THE 
  BEETLE 
  FAMILY 
  PSEUDOMORPHIDAE 
  NOTMAN 
  23 
  

  

  3. 
  Antennae 
  filiform, 
  subsetaceous. 
  Labrum 
  more 
  transverse. 
  

  

  * 
  lutea 
  Westwood. 
  

   Antennae 
  stout 
  ; 
  joints 
  5-9 
  inoniliform. 
  Labrum 
  about 
  as 
  long 
  as 
  wide 
  4 
  

  

  4. 
  Form 
  ovate. 
  Disk 
  of 
  the 
  thorax 
  strongly 
  sulcate. 
  Elytra 
  feebly 
  striate. 
  

  

  Size 
  smaller, 
  3 
  mm 
  * 
  monilis 
  Westwood. 
  

  

  Form 
  longer 
  and 
  more 
  parallel. 
  Elytra 
  with 
  sides 
  nearly 
  straight. 
  Thorax 
  

   with 
  disk 
  feebly 
  sulcate. 
  Elytra 
  more 
  distinctly 
  striate. 
  Size 
  larger, 
  

   4.5 
  mm 
  * 
  obockiana 
  Fairmaire. 
  

  

  Genus 
  SILPHOMORPHA 
  Westwood 
  

  

  The 
  species 
  of 
  this 
  genus 
  seem 
  especially 
  difficult 
  to 
  separate. 
  A 
  

   specimen 
  of 
  Silphomorpha 
  difficilis 
  Blackburn 
  which 
  had 
  been 
  com- 
  

   pared 
  with 
  the 
  type 
  was 
  obtained 
  through 
  the 
  kindness 
  of 
  G. 
  J. 
  

   Arrow 
  T 
  , 
  of 
  the 
  British 
  Museum. 
  Such 
  other 
  species 
  as 
  could 
  not 
  be 
  

   identified 
  in 
  the 
  material 
  at 
  hand 
  are 
  marked 
  with 
  an 
  asterisk 
  in 
  the 
  

   following 
  synopsis. 
  Complete 
  description 
  of 
  none 
  of 
  the 
  species 
  

   has 
  been 
  attempted. 
  

  

  KEY 
  TO 
  SPECIES 
  OF 
  GENUS 
  SILPHORMORPIIA 
  WESTWOOD 
  

  

  1. 
  Thorax 
  very 
  wide, 
  about 
  three 
  times 
  as 
  wide 
  as 
  long 
  2 
  

  

  Thorax 
  narrower, 
  about 
  twice 
  as 
  wide 
  as 
  long 
  5 
  

  

  2. 
  Thorax 
  absolutely 
  smooth 
  3 
  

  

  Thorax 
  minutely 
  punctate 
  4 
  

  

  3. 
  Form 
  broader. 
  Elytra 
  more 
  shining. 
  Striae 
  more 
  prominent 
  apically. 
  

  

  Thorax 
  black 
  * 
  laticollis 
  MacLeay. 
  

  

  Form 
  less 
  broad. 
  Elytra 
  less 
  shining. 
  Striae 
  uniform. 
  Thorax 
  with 
  

   piceous 
  margins 
  froggatti 
  MacLeay. 
  

  

  4. 
  Elytra 
  with 
  the 
  striae 
  strong 
  striatipennis 
  MacLeay. 
  

  

  Elytra 
  with 
  the 
  striae 
  nearly 
  obsolete. 
  Thoracic 
  margins 
  broader 
  and 
  

  

  piceous 
  in 
  color 
  * 
  obsoleta 
  MacLeay. 
  

  

  5. 
  Thorax 
  larger, 
  broader 
  than 
  the 
  elytra 
  * 
  denisonensis 
  Castelnau. 
  

  

  Thorax 
  not 
  broader 
  than 
  the 
  elytra 
  6 
  

  

  6. 
  Head 
  larger. 
  Its 
  width 
  about 
  one-half 
  the 
  total 
  length 
  of 
  the 
  beetle. 
  

  

  Eyes 
  prominent 
  * 
  boops 
  Blackburn. 
  

  

  Head 
  smaller. 
  From 
  a 
  third 
  to 
  a 
  fourth 
  the 
  total 
  length 
  7 
  

  

  7. 
  Elytra 
  very 
  indistinctly 
  striate 
  8 
  

  

  Elytra 
  more 
  or 
  less 
  strongly 
  striate 
  16 
  

  

  8. 
  Elytra 
  absolutely 
  smooth 
  9 
  

  

  Elytra 
  punctate 
  13 
  

  

  9. 
  Side 
  margins 
  of 
  thorax 
  and 
  elytra 
  paler, 
  reddish 
  * 
  laevis 
  Castelnau. 
  

  

  Side 
  margins 
  not 
  paler 
  , 
  10 
  

  

  10. 
  Form 
  oblong. 
  Thorax 
  with 
  the 
  sides 
  more 
  arcuate. 
  Beneath 
  dark 
  brown. 
  

  

  Size 
  large, 
  10 
  mm 
  * 
  grandis 
  Castelnau. 
  

  

  Form 
  oval. 
  Thorax 
  and 
  elytra 
  with 
  sides 
  more 
  continuous. 
  Underside 
  

   more 
  or 
  less 
  pale 
  11 
  

  

  11. 
  Form, 
  more 
  elongate. 
  Size 
  larger, 
  9 
  mm. 
  Abdomen 
  dark 
  with 
  apex 
  broadly 
  

  

  pale 
  * 
  westwoodi, 
  new 
  name. 
  

  

  Form 
  short 
  oval. 
  Size 
  smaller. 
  5-6 
  mm. 
  Underside 
  entirely 
  pale 
  

   castaneous 
  12 
  

  

  