broad jumper
bucking bronco
buckjumper
cicada
cicala
cricket
dog-day cicada
feckless
flea
frog
gazelle
goat
happy-go-lucky
heedless
high jumper
hopper
hoppergrass
hurdle racer
hurdler
improvident
jackrabbit
jumper
jumping bean
jumping jack
kangaroo
leaper
locust
negligent
pole vaulter
salmon
shiftless
stag
sunfisher
thoughtless
thriftless
timber topper
uneconomical
unproviding
unthrifty
vaulter
cocktail
ant
beetle
butterfly
caterpillar
earthworm
grub
insect
invertebrate
larva
lizard
louse
maggot
mosquito
moth
snail
sparrow
spider
termite
vermin
worm