hunchback; humpback; crookback
rhinoceros beetle (esp. the Japanese rhinoceros beetle, Trypoxylus dichotomus)
hornworm (caterpillar of a hawk moth); (hairless) caterpillar
heartburn; strong sense of disgust
ladybug (Harmonia axyridis); ladybird
bed bug (Cimex lectularius); bedbug
hairy caterpillar; woolly bear; pest; nudnik (nudnick)
wood louse; wood lice; slater
scarabaeid beetle; Mimela splendens (metallic-green scarabaeid beetle)
bur (prickly seeds or seedheads that stick to fur and clothes); burr
scarabaeid beetle grub; any insect (or worm, etc.) that lives in soil
worm-eaten; moth-eaten; holes eaten in clothing, leaves, etc. by caterpillars, moths, etc.; leaf warbler (any bird of genus Phylloscopus); chiffchaff
bell cricket (Meloimorpha japonicus); (arch.) pine cricket (Xenogryllus marmoratus)
cabbageworm (caterpillar of the cabbage white butterfly)
aphid; plant louse; cockroach; Japanese house bat (Pipistrellus abramus); hanger-on; parasite
Mecopoda nipponensis (species of katydid)
magnifying glass; wrestler of the lowest rank
pine cricket (Xenogryllus marmoratus); (arch.) bell cricket (Meloimorpha japonicus)
caterpillar (esp. hairless); person with scanty supply of clothes
dobsonfly or stonefly larva
roundworm (Ascaris lumbricoides); mawworm; (metaphor for) location of one's feelings or sentiments; (metaphor for) empty stomach; feeling of hunger
calls and sounds made by insects
dung beetle; gold beetle; goldbug; maggots in faeces (feces)
biting louse (any louse of order Mallophaga); small winged insect (esp. a flying ant or termite)
faint breath; dying whisper; at death's door
undesirable lover (boyfriend, girlfriend); passion; temper; irritability
someone who gets in the way without serving any useful purpose; fly in the ointment; buttinsky; third wheel
magnifying glass; wrestler of the lowest rank
insect catching; bug catching
to become verminous; to be infested with insects; to begin to keep bad company; to have an (unfavorable, unfavourable) lover
insect bite; bug bite; sting
small insect; midge; vermicule
inchworm; measuring worm; looper (caterpillar)
ground beetle; carabid (esp. of superfamily Caraboidea, but excluding subfamily Carabinae); Anisodactylus signatus (species of ground beetle)
to forebode; to have a presentiment
convulsions (in a child); nervousness; short-temperedness; bug thought to cause children's diseases
ringworm (of the body); tinea corporis
diligent student; drudge; swot
rhinoceros beetle (esp. the Japanese rhinoceros beetle, Trypoxylus dichotomus)
peanut worm (any worm of phylum Sipuncula)
insecticide; insect repellent
singing of insects (esp. in autumn); sound of insects
singing of insects (esp. in autumn); sound of insects
pillbug; pill bug; woodlouse; sowbug; sow bug; slater
athlete's foot; water boatman (esp. species Hesperocorixa distanti); Asellus hilgendorfi (species of aquatic sowbug)
bookworm; bibliophile; bibliophage
snake in one's bosom; treacherous friend
jewel beetle (esp. Chrysochroa fulgidissima); buprestid
rushing to one's doom; (like a) moth flying into the flame
money loser; high-cost, low-return project
caterpillar fungus (esp. Cordyceps sinensis)
Paramecium spp. (esp. Paramecium caudatum)
bloodworm (Halla okadai, species of eunicid worm used as fishing bait); red mite (Trombicula akamushi); chigger mite; harvest mite
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
some prefer nettles; there's no accounting for taste; every man to his taste
some prefer nettles; there's no accounting for taste; every man to his taste
pin (esp. for mounting insects); setting pin
aquatic insect larva (esp. of caddisflies, mayflies, etc.)
leaf beetle (of family Chrysomelidae)
to be itching to do something
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
euglena (freshwater flagellate)
torch procession to drive away crop-eating insects
workaholic; person who is totally devoted to his work
kanji "insect" radical at left
springtail (wingless insect of the order Collembola)
any horsehair worm of class Gordioidea; gordian worm (of class Gordioidea); hair worm (of class Gordioidea); wireworm (click beetle larva)
click beetle; skipjack (beetle of family Elateridae)
moss animal (any animal of phylum Bryozoa)
leaf insect (esp. species Phyllium pulchrifolium)
harvestman; daddy longlegs (arachnid of order Opiliones)
to have a stomach ache; to get on one's nerves; to cause offence
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
bark beetle (Scolytidae spp.); gribble (Limnoria lignorum)
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
incantation to rid a child of insects traditionally believed to cause disease; charm to cure colic, tantrums, etc.
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
bombardier beetle (esp. species Pheropsophus jessoensis); stink bug
Chinese wax scale insect (Ericerus pela)
first spring thunderstorm of the year
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
ghost walker (beetle) (Mormolyce phyllodes); violin beetle
children's medicine for nervousness; snack for an empty stomach
velvet worm (Onychophora)
nymph (immature form of an insect)
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)
someone who curls up under a kotatsu all winter; kotatsu bug; kotatsu snail
flatworm; flat worm; flat bark beetle
Bothrogonia ferruginea (species of leafhopper)
ghost walker (beetle) (Mormolyce phyllodes); violin beetle
mushifuda; stripped hanafuda deck consisting of 40 cards
Sick Girl (Masters of Horror)
insect peddler (esp. fireflies and crickets)