animal
ant
anthill
around
attack
background
black
border
business
capture
cartoon
center
centering
circle
colony
control
cordoning
crowd
crowding
direction
disinfection
encirclement
entomology
fumigation
game
group
home
illustration
insect
invasion
line
many
marching
pest
pesticide
plague
row
run
small
space
team
trail
walking
way
white
work
worker
working