﻿AMBLYPTILIA 
  COSMODACTYLA. 
  

  

  281 
  

  

  (1 
  and 
  2) 
  

  

  Sept. 
  17th. 
  Second 
  instar. 
  

  

  ,, 
  19th. 
  Near 
  moult. 
  

  

  ,, 
  20th. 
  Third 
  instar. 
  

  

  ,, 
  22nd. 
  Well 
  grown. 
  

  

  ,, 
  24th. 
  Laid 
  up 
  for 
  moult. 
  

  

  ,, 
  25th. 
  Fourth 
  (last) 
  instar. 
  

  

  Oct. 
  20th. 
  One 
  imago 
  emerged. 
  

  

  ,, 
  21st. 
  The 
  second 
  imago 
  emerged. 
  

  

  (3) 
  

   Sept. 
  17th. 
  First 
  instar. 
  

   ,, 
  19th. 
  Second 
  instar. 
  

   ,, 
  22nd 
  Fullgrown 
  in 
  second 
  instar. 
  

  

  ,, 
  24th. 
  Third 
  instar. 
  

  

  ,, 
  28th. 
  Laid 
  up 
  for 
  moult. 
  

  

  ,, 
  30th. 
  Fourth 
  (last) 
  instar. 
  

   Oct. 
  4th. 
  Fullgrown 
  (but 
  still 
  feeding). 
  

  

  ,, 
  23rd. 
  Imago 
  emerged. 
  

  

  (4) 
  

  

  Sept. 
  17th. 
  Second 
  instar 
  (well 
  grown). 
  

  

  ,, 
  19th. 
  Third 
  instar 
  (half-grown). 
  

  

  ,, 
  20th. 
  Fullgrown 
  in 
  third 
  instar. 
  

  

  ,, 
  22nd. 
  Laid 
  up 
  for 
  moult. 
  

  

  ,, 
  24th. 
  Fourth 
  (last) 
  instar. 
  

  

  „ 
  28th. 
  Fullfed. 
  

  

  ,, 
  30th. 
  Hung 
  up 
  for 
  pupation. 
  

  

  Oct. 
  18th. 
  Imago 
  emerged. 
  

  

  Of 
  other 
  larvae, 
  one 
  was 
  noticed 
  feeding 
  inside 
  a 
  Pelargonium 
  bud, 
  

   another 
  feeding 
  on 
  Stachys, 
  its 
  head 
  being 
  buried 
  in 
  a 
  bud, 
  both 
  larvae 
  

   in 
  the 
  3rd 
  stadium. 
  On 
  September 
  6th, 
  1904, 
  on 
  some 
  Stachys 
  sylvatica 
  

   collected 
  at 
  Corfe 
  Castle 
  for 
  food, 
  two 
  fullfed 
  larvae 
  were 
  found, 
  a 
  sugges- 
  

   tion 
  that 
  larvae 
  of 
  this 
  species 
  must 
  be 
  abundant 
  where 
  larvae 
  thus 
  occur 
  

   on 
  foodplants 
  taken 
  at 
  random. 
  The 
  larvae 
  shoot 
  their 
  frass 
  about 
  in 
  

   all 
  directions, 
  as 
  do 
  the 
  larvae 
  of 
  other 
  " 
  plumes," 
  and 
  certain 
  other 
  

   lepidoptera, 
  by 
  a 
  jerk 
  of 
  the 
  last 
  segment, 
  and 
  not 
  by 
  the 
  use 
  of 
  an 
  

   anal 
  comb 
  ; 
  they 
  eat 
  the 
  immature 
  seeds 
  and 
  the 
  calyces 
  around 
  them 
  

   (Chapman. 
  September 
  6th, 
  1904). 
  Eiding 
  says: 
  "I 
  cannot 
  separate 
  

   the 
  larvae 
  of 
  A. 
  punctidactyla 
  and 
  A. 
  cosmodactyla, 
  Hb. 
  (acanthodactyla, 
  

   Tr.), 
  and 
  the 
  following 
  notes 
  may 
  refer 
  to 
  either 
  : 
  20 
  to 
  30 
  larvae 
  taken 
  on 
  

   Stachys 
  sylvatica, 
  August 
  20th 
  to 
  21st, 
  1892, 
  at 
  Buckerell 
  ; 
  9 
  larvae 
  

   and 
  2 
  pupae 
  (flowers 
  of 
  Stachys 
  nearly 
  over), 
  in 
  Harpford 
  Woods, 
  

   August 
  10th, 
  1893 
  ; 
  2 
  larvae 
  on 
  Buckerell 
  Knap, 
  on 
  Stachys, 
  July 
  

   11th, 
  1895 
  ; 
  40 
  to 
  50 
  larvae 
  and 
  a 
  few 
  pupae, 
  on 
  S. 
  sylvatica, 
  at 
  

   Harpford 
  Woods, 
  August 
  13th, 
  1898 
  ; 
  4 
  larvae, 
  on 
  Buckerell 
  Knap, 
  

   August 
  14th, 
  1898 
  ; 
  more 
  larvae 
  taken 
  in 
  the 
  lanes, 
  and 
  by 
  edges 
  of 
  

   fields, 
  about 
  Buckerell, 
  August 
  20th-24th, 
  1898 
  ; 
  9 
  larvae 
  of 
  medium 
  

   size, 
  taken 
  at 
  Harpford 
  Woods, 
  August 
  9th, 
  1899; 
  8 
  larvae, 
  in 
  lanes 
  

   around 
  Buckerell, 
  August 
  11th, 
  1899; 
  and 
  2 
  more 
  on 
  August 
  12th." 
  

   The 
  following 
  notes 
  were 
  made 
  of 
  the 
  larvae 
  collected 
  in 
  1892 
  : 
  " 
  Some 
  

   examples 
  of 
  a 
  dull 
  reddish-purple 
  (colour 
  of 
  flower 
  of 
  StacJnjz), 
  with 
  

   darker 
  dorsal 
  vessel, 
  and 
  whitish 
  subdorsal 
  and 
  spiracular 
  lines 
  ; 
  others 
  

   yellowish-green, 
  with 
  darker 
  dorsal 
  vessel, 
  and 
  with 
  band 
  (longitudinal) 
  

   of 
  reddish-purple 
  along 
  the 
  dorsum 
  — 
  not 
  continuous 
  the 
  whole 
  length; 
  

   others 
  darker 
  green 
  with 
  no 
  red 
  colour. 
  Head, 
  pale 
  yellowish 
  -brown 
  

   with 
  dark 
  brown 
  mottlings 
  ; 
  a 
  small 
  brown 
  plate 
  on 
  prothorax 
  ; 
  

   tubercles 
  white, 
  with 
  one 
  or 
  two 
  white 
  hairs 
  ; 
  feed 
  on 
  corolla? 
  

   of 
  Stachys 
  mostly, 
  and 
  petals 
  of 
  scarlet 
  geranium." 
  This 
  was 
  

   followed 
  by 
  further 
  notes 
  on 
  August 
  25th, 
  1898, 
  which 
  road 
  : 
  

   "Two 
  sorts 
  of 
  'plume' 
  larvae 
  on 
  Stachys, 
  one 
  green, 
  with 
  blackish 
  

   head, 
  the 
  other 
  purplish-red, 
  with 
  greenish 
  prothorax, 
  ami 
  head 
  

   greenish, 
  spotted 
  with 
  black. 
  From 
  watching 
  the 
  larvae 
  feeding, 
  1 
  

   came 
  to 
  the 
  conclusion 
  that 
  the 
  difference 
  in 
  colour 
  is 
  protective, 
  as 
  I 
  

   have 
  generally 
  found 
  the 
  purplish 
  -red 
  larvae 
  on 
  the 
  corolhe, 
  ami 
  the 
  

   greener 
  larvae 
  on 
  the 
  stem 
  and 
  green 
  parts 
  of 
  the 
  plant. 
  The 
  purple- 
  

   red 
  larvae 
  also 
  appear 
  to 
  be 
  generally 
  the 
  smaller, 
  ami 
  bo 
  be 
  met 
  with 
  

   before 
  the 
  purplish-red 
  corolhe 
  have 
  fallen 
  off; 
  the 
  latter 
  are 
  larger 
  and 
  

   found 
  on 
  plants 
  which 
  are 
  seeding. 
  I 
  do 
  not 
  think 
  the 
  Larvae 
  oi 
  the 
  

  

  