hunchback; humpback; crookback; rickets
hornworm (caterpillar of a hawk moth); (hairless) caterpillar
rhinoceros beetle (esp. the Japanese rhinoceros beetle, Trypoxylus dichotomus)
ladybug; ladybird; lady beetle; Asian lady beetle (Harmonia axyridis); harlequin ladybird
stomach acid that flows backwards into the mouth (due to acid reflux)
worm; insect; insignificant person; pathetic person
hairy caterpillar; woolly bear; pest; nudnik (nudnick)
bur (prickly seeds or seedheads that stick to fur and clothes); burr
cabbageworm (caterpillar of the cabbage white butterfly)
eunicid worm (Marphysa sanguinea); lugworm (Arenicola brasiliensis); black-colored insect (e.g. stag beetles)
dobsonfly or stonefly larva
roundworm (Ascaris lumbricoides); mawworm; feelings that influence one's mood; stomach growling
calls and sounds made by insects
to become verminous; to be infested with insects; to begin to keep bad company; to have an (unfavorable, unfavourable) lover
dung beetle; gold beetle; goldbug; maggots in faeces (feces)
aphid; plant louse; cockroach; Japanese house bat (Pipistrellus abramus); hanger-on; parasite
long-horned beetle; longicorn; beetle of the cerambycidae family
biting louse (any louse of order Mallophaga); small winged insect (esp. a flying ant or termite)
dying breath; dying whisper; being at death's door
undesirable lover (boyfriend, girlfriend); passion; temper; irritability
interferer; meddler; buttinsky
bell cricket (Meloimorpha japonica); (arch.) pine cricket (Xenogryllus marmoratus)
feeling in one's bones; foreboding; premonition; presentiment; gut feeling; gut instinct
magnifying glass; wrestler of the lowest rank
insect catching; bug catching
insect bite; bug bite; sting
small insect; midge; vermicule
scarabaeid beetle grub; any insect (or worm, etc.) that lives in soil
to forebode; to have a presentiment
convulsions (in a child); nervousness; short-temperedness; bug thought to cause children's diseases
snack for an empty stomach; something to tide one over
diligent student; drudge; swot
peanut worm (any worm of phylum Sipuncula)
insecticide; insect repellent
pillbug; pill bug; woodlouse; sowbug; sow bug; slater
singing of insects (esp. in autumn); sound of insects
singing of insects (esp. in autumn); sound of insects
worm-eaten; moth-eaten; holes eaten in clothing, leaves, etc. by caterpillars, moths, etc.; leaf warbler (any bird of genus Phylloscopus); chiffchaff
feeling in one's bones; foreboding; premonition; presentiment; gut feeling; gut instinct
athlete's foot; water boatman (esp. species Hesperocorixa distanti); Asellus hilgendorfi (species of aquatic sowbug)
magnifying glass; wrestler of the lowest rank
ground beetle; carabid (esp. of superfamily Caraboidea, but excluding subfamily Carabinae); Anisodactylus signatus (species of ground beetle)
snake in one's bosom; treacherous friend
bookworm; bibliophile; bibliophage
jewel beetle (esp. Chrysochroa fulgidissima); buprestid
hunchback; humpback; crookback; rickets
rushing to one's doom; (like a) moth flying into the flame
pine cricket (Xenogryllus marmoratus); (arch.) bell cricket (Meloimorpha japonica)
money loser; high-cost, low-return project
bed bug (Cimex lectularius); bedbug
inchworm; measuring worm; looper (caterpillar)
scarabaeid beetle; Mimela splendens (metallic-green scarabaeid beetle)
shield bug; stink bug; pentatomid
caterpillar fungus (esp. Cordyceps sinensis)
Paramecium spp. (esp. Paramecium caudatum)
bloodworm (Halla okudai); red mite (Trombicula akamushi); chigger mite; harvest mite
some prefer nettles; there's no accounting for taste; every man to his taste
flies that appear in Tohoku and Hokkaido in late autumn or early winter (esp. the woolly apple aphid); flies that appear above fallen snow in the early spring (esp. certain species of small winter stonefly and true crane fly)
deworming medicine; anthelmintic
summer insect; summer insects
pin (esp. for mounting insects); setting pin
giant isopod (Bathynomus giganteus)
aquatic insect larva (esp. of caddisflies, mayflies, etc.)
to be itching to do something
wood louse; wood lice; slater
caterpillar (esp. hairless); person with scanty supply of clothes
leaf beetle (of family Chrysomelidae)
tread on a worm and it will turn; even a tiny bug will defend itself; even the weakest and smallest beings have their own wills, so do not make light of them
Mecopoda nipponensis (species of katydid)
euglena (freshwater flagellate)
any horsehair worm of class Gordioidea; gordian worm (of class Gordioidea); hair worm (of class Gordioidea); wireworm (click beetle larva)
toilet insect; insects that frequent toilets
torch procession to drive away crop-eating insects
workaholic; person who is totally devoted to his work
kanji "insect" radical at left
moth larva (oft. used as bait for mountain stream fishing)
bark beetle (Scolytidae spp.); gribble (Limnoria lignorum); grain borer; wood borer
springtail (wingless insect of the order Collembola)
harvestman; daddy longlegs (arachnid of order Opiliones)
click beetle; skipjack (beetle of family Elateridae)
moss animal (any animal of phylum Bryozoa)
leaf insect (esp. species Phyllium pulchrifolium)
snack for an empty stomach; something to tide one over
to have a stomach ache; to get on one's nerves; to cause offence; to cause offense
insects harmful to pine trees
ringworm (of the body); tinea corporis
incantation to rid a child of insects traditionally believed to cause disease; charm to cure colic, tantrums, etc.
caddis worm; caddis-worm (caddisfly larva)
ground beetle; carabid (esp. of subfamily Carabinae); (arch.) millipede
rhizocephala (parasitic barnacles)
mushi-ken; Japanese rock-paper-scissors variant, in which the "frog", "snake" and "slug" are represented by the thumb, forefinger and little finger respectively
carrion beetle (any beetle of family Silphidae, incl. burying beetles)
bombardier beetle (esp. species Pheropsophus jessoensis); stink bug
to sacrifice something small in order to save something great; to lose a leg to save one's life; to kill a small bug and help a large one
rice weevil; good-for-nothing; parasite; deadbeat
cochineal insect (Dactylopius coccus)
ribbon worm (any worm of phylum Nemertea)
to sacrifice something small in order to save something great; to lose a leg to save one's life; (lit.) to kill a small bug and save a large one
Chinese wax scale insect (Ericerus pela)
first spring thunderstorm of the year
leaf folder (caterpillar)
stinky bug (esp. the bombardier beetle); stink bug
bur (prickly seeds or seedheads that stick to fur and clothes); burr
Marphysa sanguinea (species of eunicid worm)
Notonecta triguttata (species of backswimmer)
pseudoscorpion (any arachnid of order Pseudoscorpionida); false scorpion
acorn worm (any hemichordate of class Enteropneusta)
bombardier beetle (esp. species Pheropsophus jessoensis); stink bug
hister beetle (Hister jekeli); clown beetle
common butterwort (Pinguicula vulgaris)
violin beetle (Mormolyce phyllodes); ghost walker
children's medicine for nervousness; snack for an empty stomach
velvet worm (Onychophora)
true bristletail (any insect of order Thysanura, esp. of family Lepismatidae)
true bristletail (any insect of order Thysanura, esp. of family Lepismatidae)
schizomid (any arachnid of order Schizomida)
lace bug (any insect of family Tingidae)
inocelliid snakefly (any insect of family Inocelliidae)
phoronid (any wormlike animal of phylum Phoronida)
tongue worm (any worm of phylum Pentastomida)
beard worm (any worm of phylum Pogonophora)
vestimentiferan (any tube worm of order Vestimentifera)
arrow worm (any worm of phylum Chaetognatha)
viburnum; Viburnum furcatum
Protura (order of wingless insects)
proturan (any wingless insect of order Protura)
xenoturbellan (either of two species of worm-like basal deuterostomes)
mythical spirit residing in a person's body that generates a desire to drink (also said to turn water into alcohol)
mythical spirit residing in a person's body that generates a desire to drink (also said to turn water into alcohol)
someone who curls up under a kotatsu all winter; kotatsu bug; kotatsu snail
flatworm; flat worm; flat bark beetle
Bothrogonia ferruginea (species of leafhopper)
violin beetle (Mormolyce phyllodes); ghost walker
mushifuda; stripped hanafuda deck consisting of 40 cards
wooly apple aphid (Eriosoma lanigerum)
Scyphozoa; true jellyfish
sickle-bearing bush-cricket (Phaneroptera falcata)
The Gold-Bug (short story by Edgar Allan Poe, 1843)
Sick Girl (Masters of Horror)
insect peddler (esp. fireflies and crickets)