﻿Records 
  of 
  Bees. 
  521 
  

  

  Readily 
  known 
  by 
  the 
  dark 
  clypeus, 
  small 
  size, 
  and 
  white 
  

   hair 
  on 
  face. 
  I 
  do 
  not 
  know 
  a 
  close 
  relative. 
  

  

  Halictus 
  repertus, 
  sp. 
  n. 
  

  

  (j 
  . 
  — 
  Length 
  about 
  6| 
  nam. 
  

  

  Black, 
  rather 
  slender, 
  with 
  dull 
  white 
  hair 
  ; 
  head 
  broad 
  ; 
  

   mandibles 
  broadly 
  bright 
  red 
  in 
  middle 
  ; 
  lower 
  half 
  of 
  

   clypeus 
  cream-colour, 
  shining 
  and 
  sparsely 
  punctured 
  ; 
  

   antennae 
  long, 
  entirely 
  dark 
  ; 
  front 
  dull, 
  extremely 
  densely 
  

   punctured, 
  except 
  at 
  sides, 
  where 
  the 
  punctures 
  are 
  elon- 
  

   gated, 
  and 
  well 
  separated 
  ; 
  mesothorax 
  shining, 
  quite 
  

   strongly 
  punctured, 
  the 
  punctures 
  about 
  as 
  far 
  apart 
  as 
  the 
  

   diameter 
  of 
  one, 
  the 
  surface 
  between 
  minutely 
  and 
  feebly 
  

   lineolate 
  ; 
  scutellum 
  shining, 
  sparsely 
  punctured; 
  area 
  of 
  

   metathorax 
  with 
  coarse 
  irregular 
  ridges, 
  with 
  transverse 
  ones 
  

   between, 
  the 
  marginal 
  area 
  finely 
  lineolate, 
  and 
  inclined 
  to 
  

   be 
  tessellate 
  ; 
  knees, 
  tibiae 
  at 
  extreme 
  apex, 
  and 
  tarsi 
  en- 
  

   tirely, 
  ferruginous 
  ; 
  tegulae 
  rufous. 
  Wings 
  hyaline, 
  slightly 
  

   milky, 
  stigma 
  and 
  nervures 
  ferruginous 
  ; 
  outer 
  nervures 
  

   hardly 
  at 
  all 
  weakened 
  ; 
  second 
  s.m. 
  higher 
  than 
  broad, 
  

   receiving 
  first 
  r. 
  n. 
  just 
  before 
  end 
  ; 
  third 
  s.m. 
  considerably 
  

   larger 
  than 
  second. 
  Abdomen 
  shining, 
  but 
  not 
  highly 
  

   polished, 
  hind 
  margins 
  of 
  segments 
  broadly 
  dusky 
  reddish, 
  

   the 
  extreme 
  margins 
  becoming 
  hyaline; 
  no 
  hair-bands 
  or 
  

   patches 
  ; 
  first 
  two 
  dorsal 
  abdominal 
  segments 
  with 
  very 
  fine, 
  

   not 
  at 
  all 
  dense 
  punctures 
  ; 
  apex 
  with 
  a 
  very 
  large, 
  broadly 
  

   rounded, 
  bright 
  ferruginous 
  plate 
  (as 
  in 
  the 
  hedleyi-tasmanicB 
  

   group) 
  ; 
  ventral 
  segments 
  fringed 
  with 
  white 
  hair. 
  

  

  Hab. 
  Near 
  Melbourne 
  (Nat. 
  Mus, 
  Victoria, 
  105). 
  Very 
  

   close 
  to 
  H. 
  cambagei, 
  Ckll., 
  which 
  has 
  a 
  similar 
  caudal 
  plate, 
  

   but 
  metathorax 
  different. 
  

  

  Halictus 
  expansifrons, 
  sp. 
  n. 
  

  

  S 
  . 
  — 
  Length 
  about 
  6 
  mm. 
  

  

  Black, 
  robust 
  (like 
  a 
  female), 
  with 
  dull 
  white 
  hair 
  ; 
  

   head 
  broad 
  ; 
  mandibles 
  dark 
  ; 
  clypeus 
  with 
  a 
  transverse 
  

   pale 
  yellow 
  band, 
  having 
  a 
  triangular 
  median 
  projection 
  

   above; 
  antennae 
  rather 
  long, 
  flagellum 
  thick, 
  obscux-e 
  reddish 
  

   beneath 
  ; 
  front 
  dull, 
  extremely 
  densely 
  punctured, 
  the 
  

   punctures 
  (seen 
  under 
  microscope) 
  glistening 
  ; 
  mesothorax 
  

   shining, 
  strongly 
  punctured, 
  sparsely 
  in 
  middle, 
  densely 
  

   in 
  front, 
  the 
  surface 
  between 
  the 
  punctures 
  smooth 
  and 
  

   polished 
  ; 
  scutellum 
  shining, 
  finely 
  punctured, 
  not 
  depressed 
  

   in 
  middle; 
  area 
  of 
  metathorax 
  under 
  a 
  lens 
  appearing 
  

  

  