﻿NO. 
  1130. 
  NEW 
  SFECTES 
  OF 
  CHBYSOMELIDM—LINELL. 
  483 
  

  

  alutaceous. 
  Ventral 
  surface 
  moderately 
  finely 
  punctate, 
  sparsely 
  

   l)ubescent, 
  black 
  ; 
  protliorax 
  and 
  metasternum 
  yellow. 
  Legs 
  yellow, 
  

   tarsi 
  black. 
  

  

  Male. 
  — 
  Abdomen 
  convex, 
  uiiiforraly 
  pubescent; 
  second 
  to 
  fourth 
  

   seg'inert 
  e(]ual, 
  witli 
  straight 
  margins; 
  fifth 
  slightly 
  longer, 
  with 
  a 
  deep 
  

   cupuliform 
  fovea, 
  the 
  margin 
  with 
  a 
  truncate 
  lobe 
  at 
  middle, 
  limited 
  

   by 
  a 
  deep 
  notch 
  each 
  side; 
  last 
  dorsal 
  deeply 
  semicircularly 
  emargi- 
  

   nate. 
  Posterior 
  tibia^ 
  sligiitly 
  arcuate. 
  Length, 
  C.5 
  mm. 
  

  

  Three 
  males 
  and 
  one 
  female 
  from 
  Kansas, 
  Nebraska, 
  and 
  Texas 
  (Coll. 
  

   Belfrage). 
  

  

  Type.—^o. 
  i:U)9, 
  U.S.K.M. 
  

  

  PHYLLOBROTICA 
  SORORIA 
  Horn. 
  

   Phj/llohrotica 
  sororia 
  Houx, 
  I'roc 
  Cal. 
  Acad. 
  Sci., 
  2dser., 
  VI, 
  p. 
  378. 
  

  

  Doctor 
  Horn 
  (loc. 
  cit.) 
  describes 
  this 
  species 
  from 
  a 
  female 
  specimen 
  

   from 
  Burnett 
  County, 
  Texas. 
  In 
  the 
  ISTational 
  jMuseum 
  are 
  three 
  speci- 
  

   mens 
  from 
  Waco, 
  Texas 
  (Coll. 
  Belfrage), 
  one 
  male 
  and 
  two 
  females. 
  The 
  

   male 
  is 
  remarkable 
  as 
  being 
  the 
  only 
  one 
  in 
  the 
  genus 
  with 
  differenti- 
  

   ated 
  antennae. 
  The 
  claws 
  of 
  this 
  species 
  are 
  nearly 
  bifid. 
  The 
  male 
  

   characters 
  are 
  as 
  follows 
  : 
  

  

  Antenute 
  longer, 
  the 
  basal 
  joint 
  more 
  inflated, 
  entirely 
  yellow; 
  the 
  

   three 
  terminal 
  joints 
  distinctly 
  incrassate, 
  yellow. 
  Ventral 
  segments 
  

   convex, 
  with 
  straight 
  hind 
  margins, 
  uniformly 
  pubescent; 
  the 
  fifth 
  

   slightly 
  longer, 
  with 
  triangular 
  notch 
  at 
  aj^ex; 
  last 
  dorsal 
  feebly 
  emar- 
  

   ginate. 
  Posterior 
  tibia" 
  arcuate. 
  First 
  tarsal 
  joint 
  more 
  incrassate. 
  

  

  Type.—^o. 
  i;UO, 
  U.S.ls'.M. 
  

  

  The 
  male 
  of 
  D. 
  decolorafa 
  Say, 
  has 
  the 
  first 
  to 
  fourth 
  ventral 
  seg- 
  

   ments 
  more 
  or 
  less 
  deeplyirapressed 
  along 
  the 
  middle 
  and 
  glabous, 
  and 
  

   the 
  hairs 
  are 
  longer 
  and 
  denser 
  on 
  each 
  side 
  of 
  this 
  channel 
  ; 
  the 
  second 
  

   to 
  fourth 
  are 
  broadly 
  and 
  deeply 
  emarginate, 
  leaving 
  the 
  fifth 
  largely 
  

   exposed. 
  

  

  DIAEROTICA 
  NITIDA, 
  new 
  species. 
  

  

  Elongate 
  oval, 
  very 
  shining. 
  AntenniTi 
  three- 
  fourths 
  the 
  length 
  of 
  uhe 
  

   body, 
  slender, 
  j)iceous, 
  tlie 
  three 
  basal 
  joints 
  i)aler; 
  second 
  joint 
  small, 
  

   the 
  third 
  as 
  long 
  as 
  the 
  fourth. 
  Head 
  polished, 
  black, 
  vertical 
  fovea 
  

   small. 
  Thorax 
  pale 
  yellow, 
  feebly 
  convex, 
  scarcely 
  wider 
  than 
  long; 
  

   sides 
  feebly 
  arcuate 
  in 
  front, 
  parallel 
  behind; 
  posterior 
  angles 
  acute; 
  

   disk 
  smooth, 
  bifoveate. 
  Scutellum 
  black. 
  Elytra 
  ivory- 
  white; 
  a 
  sutu- 
  

   ral 
  and 
  humeral 
  vitta, 
  nearly 
  reaching 
  the 
  apex, 
  shining 
  black; 
  punc- 
  

   tures 
  fine, 
  not 
  close, 
  irregularly 
  disposed; 
  two 
  rather 
  feeble, 
  smooth 
  

   costie 
  in 
  the 
  dorsal 
  ivory 
  stripe. 
  Ventral 
  surface 
  yellowish-white, 
  

   metasternum 
  piceous. 
  Legs 
  piceous, 
  basal 
  half 
  of 
  femora 
  pale. 
  TibitB 
  

   carinate 
  toward 
  the 
  base 
  only. 
  Length, 
  4.5 
  to 
  5 
  mm. 
  

  

  Male. 
  — 
  Last 
  ventral 
  segment 
  broadly 
  emarginate. 
  

  

  Ty2)e.—¥o. 
  129G, 
  U.S.X.M. 
  Collected 
  in 
  :Sew 
  Mexico 
  by 
  Professor 
  

   F. 
  H. 
  Snow 
  and 
  at 
  San 
  Diego, 
  Texas, 
  by 
  Mr. 
  E. 
  A. 
  Schwarz. 
  

  

  