Denshi Jisho — Online Japanese dictionary

虫 むし insect; bug; cricket; moth; worm
Common word, Noun 
毛虫 けむし 1: hairy caterpillar; woolly bear;
2: pest; nudnik (nudnick)
Common word, Noun 
小虫 こむし 1: small insect; midge;
2: vermicule
Noun 
地虫 じむし 1: scarabaeid beetle grub;
2: any insect (or worm, etc.) that lives in soil
Noun 
田虫 たむし ringworm (of the body); tinea corporis
Noun 
羽虫 はむし 1: biting louse (any louse of order Mallophaga);
2: (Colloquialism) small winged insect (esp. a flying ant or termite)
Noun 
葉虫 はむし leaf beetle (of family Chrysomelidae)
Noun, Usually written using kana alone 
蝗虫 ばった grasshopper; locust (of superfamily Acridoidea)
Noun, Usually written using kana alone 
矢虫 やむし arrow worm (any worm of phylum Chaetognatha)
Noun, Usually written using kana alone 
輪虫 わむし rotifer
Noun, Usually written using kana alone 
白蝋虫 うんか plant hopper (any insect of family Delphacidae); leafhopper
Noun, Usually written using kana alone 
寄居虫 かみな hermit crab
Out-dated or obsolete kana, Noun 
寄居虫 ごうな hermit crab
Out-dated or obsolete kana, Noun 
水爬虫 たがめ Lethocerus deyrollei (species of giant water bug)
Noun, Usually written using kana alone 
金花虫 はむし leaf beetle (of family Chrysomelidae)
Noun, Usually written using kana alone 
弱虫 よわむし coward; weakling
Common word, Noun, Na-adjective, No-adjective 
青虫 あおむし cabbageworm (caterpillar of the cabbage white butterfly)
Noun 
赤虫 あかむし 1: Halla okadai (species of eunicid worm used as fishing bait);
2: (species of eunicid worm used as fishing bait);
3: (Colloquialism) red mite (i.e. a chigger)
Noun 
稲虫 いなむし rice pest
Noun 
芋虫 いもむし hornworm (caterpillar of a hawk moth); (hairless) caterpillar
Noun 
岩虫 いわむし Marphysa sanguinea (species of eunicid worm)
Noun, Usually written using kana alone 
蛆虫 うじむし 1: maggot;
2: worm (used figuratively as a term of abuse)
Noun 
筬虫 おさむし 1: (Usually written using kana alone) ground beetle; carabid (esp. of subfamily Carabinae);
2: (Archaism) millipede
Noun 
鉤虫 かぎむし velvet worm (Onychophora)
Noun, Usually written using kana alone 
蟹虫 かにむし pseudoscorpion (any arachnid of order Pseudoscorpionida); false scorpion
Noun, Usually written using kana alone 
亀虫 かめむし shield bug; stink bug
Noun, Usually written using kana alone 

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