﻿428 
  Mr. 
  T. 
  D. 
  A. 
  Cockerell 
  — 
  Descriptions 
  and 
  

  

  basitarsus 
  appearing 
  black 
  iu 
  some 
  positions, 
  but 
  really 
  

   largely 
  pale 
  straw-colour 
  ; 
  anterior 
  coxje 
  with 
  a 
  short 
  band 
  

   of 
  red 
  bristles 
  in 
  front 
  ; 
  coxal 
  spines 
  long 
  ; 
  greater 
  part 
  of 
  

   auteiior 
  femora 
  light 
  red. 
  

  

  Megachile 
  mendozana, 
  Cockerell. 
  

   Argentina 
  (0. 
  W. 
  Thomas 
  ; 
  Brit. 
  Museum, 
  1904, 
  148). 
  

  

  1 
  s. 
  

  

  This 
  species 
  was 
  described 
  from 
  the 
  female 
  as 
  cormita, 
  

   Sm., 
  and 
  rhinoceros, 
  Friese, 
  both 
  preoccupied 
  names. 
  The 
  

   insect 
  before 
  me 
  is 
  certaitdy 
  the 
  male 
  of 
  rhinoceros 
  as 
  

   described 
  by 
  Vachal 
  ; 
  it 
  also 
  runs 
  to 
  rhinoceros 
  in 
  Friese's 
  

   table 
  of 
  Argentine 
  Megachile^ 
  and 
  to 
  mendozana 
  in 
  Jorgensen's 
  

   Mendoza 
  table. 
  It 
  is, 
  however, 
  smaller 
  than 
  the 
  size 
  given 
  

   by 
  Friese 
  for 
  male 
  rhinoceros, 
  and 
  the 
  mesothorax 
  is 
  more 
  

   shining, 
  with 
  the 
  punctures 
  conspicuously 
  larger 
  and 
  less 
  

   dense 
  than 
  iu 
  a 
  female 
  rhinoceros 
  from 
  Mendoza 
  now 
  before 
  

   me. 
  There 
  are 
  perhaps 
  two 
  species 
  at 
  present 
  confused 
  by 
  

   authors 
  uuder 
  mendozana 
  or 
  rhinoceros. 
  

  

  Megachile 
  parsonsice, 
  Schrottky. 
  

  

  Argentina 
  (O. 
  IV. 
  Thomas 
  ; 
  Brit. 
  Museum, 
  1904. 
  148). 
  

  

  This 
  agrees 
  with 
  Friese's 
  brief 
  account 
  of 
  " 
  simiUima 
  " 
  

   from 
  Mendoza, 
  which 
  Jorgensen 
  says 
  is 
  to 
  be 
  called 
  par- 
  

   sonsice. 
  The 
  pallid 
  anterior 
  tarsi 
  have 
  an 
  elongated 
  black 
  

   spot 
  on 
  the 
  inner 
  side, 
  and 
  the 
  keel 
  of 
  the 
  sixth 
  abdouiinal 
  

   segment 
  has 
  six 
  sharp 
  spines. 
  

  

  Megachile 
  porrectula, 
  n. 
  u. 
  

  

  A 
  new 
  name 
  is 
  required 
  for 
  M. 
  acuta, 
  Vachal, 
  1908 
  (not 
  

   M. 
  acuta, 
  Smith), 
  from 
  Mapiri, 
  Bolivia. 
  

  

  Megachile 
  par 
  ax 
  anthur 
  a, 
  sp. 
  n. 
  

  

  $ 
  . 
  — 
  Length 
  a 
  little 
  over 
  9 
  mm. 
  

  

  Black, 
  the 
  flagellum 
  very 
  obscure 
  brownish 
  beneath 
  ; 
  

   legs 
  black, 
  tlie 
  last 
  tarsal 
  joint 
  red 
  at 
  extreme 
  apex, 
  anterior 
  

   femora 
  with 
  the 
  smooth 
  area 
  which 
  touches 
  the 
  tibise 
  (when 
  

   the 
  legs 
  are 
  flexed) 
  red 
  ; 
  mandibles 
  with 
  a 
  triangular 
  tooth 
  

   at 
  base 
  beneath 
  ; 
  face 
  densely 
  covered 
  with 
  cream-coloured 
  

   hair 
  ; 
  rest 
  of 
  head 
  and 
  thorax 
  with 
  dull 
  white 
  or 
  yellowish- 
  

   white 
  hair, 
  mixed 
  with 
  long 
  black 
  hairs 
  on 
  vertex, 
  scutellum, 
  

   and 
  especially 
  postscutcUum 
  ; 
  head 
  and 
  thorax 
  above 
  closely 
  

  

  