﻿240 
  Mr. 
  R. 
  C. 
  L. 
  Perkins 
  on 
  

  

  forming 
  compact 
  colonies 
  of 
  enormous 
  size. 
  It 
  visits 
  

   many 
  plants, 
  Salix, 
  Taraxacum 
  and 
  Ulex 
  being 
  favourites 
  

   with 
  the 
  first 
  brood, 
  but 
  Brassica, 
  Sinapis, 
  Veronica, 
  

   Trifoliurn, 
  etc., 
  are 
  also 
  resorted 
  to 
  ; 
  while 
  the 
  second 
  

   brood 
  is 
  found 
  on 
  Senecio 
  and 
  other 
  yellow 
  Composites, 
  

   thistles, 
  yarrow, 
  tansy, 
  etc. 
  In 
  some 
  places 
  I 
  have 
  

   noticed 
  specimens 
  of 
  the 
  first 
  brood 
  numerously 
  on 
  

   daisies, 
  Tussilago 
  and 
  blackthorn. 
  

  

  I 
  have 
  never 
  myself 
  found 
  this 
  species 
  stylopised, 
  but 
  

   it 
  is 
  recorded 
  to 
  have 
  been 
  taken 
  in 
  this 
  condition 
  by 
  

   Claude 
  Morley. 
  

  

  It 
  is 
  parasitised 
  by 
  Nomada 
  fucata, 
  which 
  in 
  England 
  

   is 
  much 
  more 
  local 
  than 
  the 
  host 
  and 
  apparently 
  only 
  

   infests 
  its 
  second 
  brood. 
  In 
  N.W. 
  Germany, 
  as 
  well 
  as 
  

   in 
  Southern 
  localities, 
  it 
  is 
  found 
  with 
  both 
  broods, 
  and 
  is 
  

   very 
  common 
  ; 
  in 
  the 
  Bremen 
  district, 
  according 
  to 
  

   Alfken, 
  almost 
  more 
  numerous 
  than 
  the 
  host 
  ! 
  According 
  

   to 
  Smith, 
  N. 
  jacobaeae 
  is 
  also 
  parasitic 
  on 
  this 
  Andrena, 
  

   as 
  he 
  records 
  that 
  he 
  took 
  it 
  entering 
  a 
  burrow 
  (of 
  the 
  

   second 
  brood) 
  ; 
  but 
  it 
  is 
  curious 
  that 
  there 
  should 
  be 
  so 
  

   little 
  definite 
  knowledge 
  as 
  to 
  the 
  habits 
  of 
  this 
  not 
  un- 
  

   common 
  parasite. 
  I 
  have 
  found 
  it 
  sparingly 
  in 
  some 
  

   localities, 
  where 
  the 
  Andrena 
  is 
  still 
  scarcer, 
  and 
  in 
  others 
  

   where 
  I 
  have 
  not 
  found 
  the 
  latter 
  at 
  all. 
  

  

  On 
  the 
  22nd 
  of 
  April, 
  1914, 
  I 
  went 
  to 
  Sidmouth 
  to 
  

   examine 
  a 
  large 
  compact 
  colony 
  of 
  this 
  Andrena, 
  since 
  it 
  

   does 
  not 
  occur 
  in 
  my 
  own 
  neighbourhood. 
  This 
  colony 
  I 
  

   had 
  found 
  in 
  August 
  1886, 
  and 
  I 
  wished 
  to 
  see 
  if 
  any 
  

   parasites 
  were 
  entering 
  the 
  burrows. 
  So 
  far 
  as 
  Hymeno- 
  

   ptera 
  were 
  concerned, 
  none 
  occurred, 
  but 
  extraordinary 
  

   numbers 
  of 
  the 
  fly 
  Botnbylius 
  major 
  were 
  hovering 
  over 
  

   the 
  colony 
  and 
  every 
  now 
  and 
  then 
  touching 
  the 
  earth 
  

   with 
  the 
  tips 
  of 
  their 
  bodies, 
  presumably 
  in 
  the 
  act 
  of 
  

   oviposition. 
  No 
  change 
  in 
  the 
  position 
  nor 
  in 
  the 
  extent 
  

   of 
  this 
  great 
  colony 
  had 
  taken 
  place 
  in 
  the 
  interval 
  of 
  

   twenty-seven 
  years 
  between 
  my 
  visits, 
  and 
  I 
  have 
  no 
  

   doubt 
  it 
  was 
  one 
  of 
  the 
  great 
  colonies 
  recorded 
  by 
  Smith, 
  

   as 
  observed 
  by 
  him 
  in 
  1871. 
  

  

  A. 
  gravida 
  {fasciata) 
  is 
  in 
  England 
  a 
  local 
  species, 
  of 
  

   apparently 
  very 
  restricted 
  range 
  in 
  the 
  south, 
  having 
  been 
  

   found 
  in 
  Kent, 
  Sussex 
  and 
  Essex, 
  but 
  as 
  it 
  has 
  been 
  

   recorded 
  from 
  Perth, 
  it 
  should 
  occur 
  in 
  more 
  numerous 
  

   localities 
  than 
  have 
  been 
  noted. 
  It 
  is 
  an 
  early 
  spring 
  

   bee, 
  and 
  frequents 
  sallows 
  and 
  al 
  o 
  visits 
  the 
  flowers 
  of 
  

  

  