These are the most frequently used words in this book.
adults
along
among
april
august
beaten
black
body
bred
britain
british
brown
captivity
cocoon
common
dark
darker
day
distributed
dorsal
during
early
easy
eggs
england
feed
feeding
female
fly
following
foodplants
formed
found
freely
fully
grasses
green
grey
grown
habits
head
insect
ireland
isles
july
june
larva
larvae
larval
lasts
late
lay
leaves
light
line
linn
linnaeus
local
mainly
may
mm
months
mvl
night
oak
obtained
occurring
occurs
often
overwintering
page
pale
parts
place
plants
plate
pupa
readily
rear
sallow
scotland
segments
september
small
soil
sometimes
southern
species
spiracles
spring
stage
stems
stripe
subdorsal
usually
various
wales
weeks
white
yellow