﻿REPORT 
  OF 
  THE 
  STATE 
  ENTOMOLOGIST 
  IQOO 
  957 
  

  

  the 
  gipsy 
  moth 
  was 
  known 
  to 
  be 
  present 
  in 
  34 
  cities 
  and 
  towns 
  in 
  Massa- 
  

   chusetts. 
  It 
  has 
  not 
  obtained, 
  so 
  far 
  as 
  known, 
  a 
  foothold 
  in 
  this 
  country 
  

   outside 
  the 
  state 
  of 
  Massachusetts. 
  

  

  Description. 
  It 
  is 
  exceedingly 
  important 
  that 
  farmers 
  and 
  others 
  

   in 
  this 
  state 
  shall 
  know 
  something 
  about 
  the 
  appearance 
  of 
  this 
  insect 
  

   and 
  what 
  to 
  expect. 
  Do 
  not 
  jump 
  at 
  conclusions 
  and 
  consider 
  the 
  spe- 
  

   cimen 
  a 
  gipsy 
  moth 
  in 
  some 
  form 
  because 
  it 
  bears 
  a 
  general 
  resemblance 
  

   to 
  the 
  illustrations 
  given 
  herewith. 
  It 
  is 
  much 
  better 
  to 
  send 
  the 
  speci- 
  

   men 
  to 
  an 
  entomologist 
  and 
  secure 
  an 
  authentic 
  determination. 
  Gen- 
  

   erally 
  speaking, 
  the 
  statement 
  from 
  a 
  non-scientific 
  person 
  that 
  the 
  ob- 
  

   ject 
  in 
  hand 
  is 
  a 
  gipsy 
  moth 
  is 
  of 
  little 
  or 
  no 
  value 
  and 
  is 
  quite 
  apt 
  to 
  be 
  

   incorrect. 
  

  

  The 
  eggs 
  of 
  this 
  insect 
  are 
  deposited 
  usually 
  in 
  round 
  or 
  oval 
  patches 
  

   (pi. 
  I, 
  fig. 
  8) 
  on 
  a 
  piece 
  of 
  bark 
  and 
  then 
  covered 
  with 
  the 
  buff 
  colored 
  

   scales 
  from 
  the 
  under 
  side 
  of 
  the 
  female's 
  abdomen. 
  A 
  completed 
  egg 
  

   mass 
  looks 
  very 
  much 
  like 
  a 
  small 
  piece 
  of 
  sponge. 
  The 
  eggs 
  may 
  be 
  

   found 
  on 
  stones, 
  in 
  tin 
  cans 
  and 
  in 
  fact 
  on 
  almost 
  any 
  fixed 
  object 
  near 
  

   at 
  hand, 
  preferably 
  on 
  the 
  under 
  surface, 
  particularly 
  of 
  limbs 
  and 
  fence 
  

   rails. 
  The 
  nearly 
  globular, 
  pale 
  yellowish 
  or 
  salmon 
  colored 
  eggs 
  are 
  

   about 
  2^ 
  of 
  an 
  inch 
  in 
  diameter, 
  and 
  there 
  are 
  usually 
  400 
  to 
  500 
  eggs 
  

   in 
  a 
  cluster, 
  though 
  occasionally 
  1000 
  may 
  be 
  found 
  in 
  an 
  egg 
  mass 
  

  

  The 
  young 
  caterpillar 
  is 
  slightly 
  over 
  a 
  tenth 
  of 
  an 
  inch 
  long 
  just 
  

   after 
  it 
  emerges 
  from 
  the 
  egg. 
  It 
  has 
  a 
  black 
  head, 
  the 
  body 
  is 
  brown- 
  

   ish 
  yellow 
  and 
  well 
  clothed 
  with 
  long 
  hairs. 
  There 
  is 
  a 
  prominent 
  hairy 
  

   tubercle 
  on 
  either 
  side 
  of 
  the 
  segment 
  next 
  the 
  head 
  ; 
  this 
  gives 
  the 
  

   caterpillar 
  a 
  peculiar 
  broad-headed 
  appearance, 
  specially 
  in 
  its 
  early 
  

   stages. 
  The 
  markings 
  become 
  plainer 
  as 
  it 
  increases 
  in 
  size, 
  and, 
  when 
  

   full-grown, 
  it 
  is 
  from 
  2 
  to 
  2^ 
  inches 
  long 
  and 
  has 
  the 
  appearance 
  shown 
  

   in 
  fig. 
  6 
  and 
  7 
  on 
  plate 
  i. 
  

  

  The 
  somewhat 
  conical, 
  dark 
  brown 
  pupa 
  ranges 
  from 
  ^ 
  to 
  ij4 
  inches 
  

   long 
  and 
  is 
  well 
  represented 
  in 
  fig. 
  5 
  on 
  pi, 
  i. 
  It 
  is 
  usually 
  found 
  

   lying 
  among 
  a 
  few 
  threads 
  and 
  securely 
  attached 
  to 
  them 
  by 
  its 
  terminal 
  

   spine. 
  

  

  The 
  male 
  and 
  female 
  moths 
  differ 
  markedly. 
  The 
  former, 
  a 
  slender 
  

   olive 
  brown, 
  black-marked 
  creature 
  with 
  finely 
  feathered 
  antennae 
  and 
  

   having 
  a 
  wing 
  spread 
  of 
  about 
  ij4 
  inches, 
  may 
  be 
  seen 
  flying 
  in 
  the 
  late 
  

   afternoon 
  and 
  early 
  evening 
  in 
  considerable 
  numbers. 
  It 
  is 
  represented 
  

   with 
  wings 
  expanded 
  and 
  in 
  its 
  characteristic 
  resting 
  attitude 
  in 
  fig. 
  3 
  and 
  

   4 
  of 
  pi. 
  I. 
  The 
  female 
  is 
  much 
  heavier 
  and 
  lighter 
  colored. 
  She 
  has 
  

   a 
  wing 
  spread 
  of 
  about 
  2 
  inches 
  and 
  is 
  of 
  a 
  white 
  or 
  buff-white 
  color 
  with 
  

  

  