The Chinese word for "worm", pronounced chóng, is the original character for 虺 (hui), which originally referred to poisonous snakes and later referred to general insects, including insects.
Some of the words next to the word bug refer to insects and some are not.
First, the insects are:
【虰蜻dīngqīng】 refers to dragonfly.
[叭蜡 bālà/叭蚱 bāzhà] refers to locusts.
[虮jǐ] is often referred to as "louse", which refers to the egg of the lice.
[虷hán] refers to the widow, that is, the larvae of mosquitoes.
【Waterfly chài】 The larvae of dragonflies.
[虼蚤gèzǎo] refers to fleas.
[Gèláng] refers to dung beetles.
[虴蛨zhèmò] refers to grasshoppers.
【Ant yǐ】
[Flies méng] A class of dipteran insects.
【Fleazǎo】
【Ant mǎyǐ】
[Ant māláng] refers to dragonfly.
[虸蚄 zfāng] finger nembu.
[蚟孙 wángxùn] refers to crickets.
[蚈qiān] refers to fireflies, but also refers to the malu that is not an insect.
【Silkworm cán】
[qí] refers to locusts.
[Grasshopper pífú] refers to large ants.
【Aphid yáchóng】
[蚋ruì] A class of diptera insects.
[Oysters/oysters háo] i.e. oysters.
[Bug jiè] is a shell worm.
[蚥fù] refers to cicadas.
[蚣蝑sōngxū] is 螽思。
[Mosquito wén] is a mosquito.
【Cockroach háng】Wild silkworm.
【Scorpion lóugū】
Small cicadas.
[蛃bǐng] refers to the clothed fish.
【蛂bié/Yellowfly huángpíng】 Scarab beetle.
[Maggots zhānsī] thorn moth.
Maggot qū: A larvae of flies.
【Grasshoppers zhàměng】
【Grasshopper zhàchán】
【Worm dài】Grasshopper.
【蚸蠖chhuò】Immediately shaku.
Ant eggs.
[蛁蟟diāoliáo/ 蛁diāoláo] cicada.
【Cockroach qiónglián】
【Dragonfly qīngliè】Crickets.
【Butterfly Jiádié】
【Dragonflyqīngtíng】
[蛞蛞lóu] is a slug.
[蛗螽fùzhōng] i.e. grasshoppers.
[Cockroach gé] Larva of scarab beetles.
[蛥蚗 shéquē] A kind of cicada.
[Grub qícáo] Larvae of scarab beetles.
[Slugs mánglóu] caddisflies.
[蛷qiú] is a salamander.
【蜎yuān】 孑, the larva of mosquitoes.
[Moth é] is also known as a moth.
【蜉蝣fúyóu】
【Bee fēng】
【Bee mìfēng】
【Dung beetle qiāngláng】
[Maggot jíqū] Crickets also refer to centipedes that are not insects.
[Pupayǒng] A state of totally metamorphosed insects from larvae to adults.
[Mantis guǒluǒ] A class of hymenopteran insects.
【Grasshopper guōguō】
【Fly yíng】
Autumn cicadas.
【Féi】 Bed bugs.
[蜩tiáo] refers to cicadas.
[Tick táo] the larvae of locusts.
【Cicada chán】
【Mantis tángláng】
[Lice shī] is also known as a lice.
[Bug chūn] is the Tsubaki Elephant.
【Butterfly húdié】
[Flea nǎn] A nymph of a locust.
【Cockroach mián】Grasshopper.
【Scorpion worm xiēlíng】
【Locust huángchóng】
【Salamander qúsōu】
【Cōng】
【Spotted salamander bānmáo】
【Borer míng】
【Cockroach zhāngláng】
【蜚蠊fēilián】
Second, the non-insects are:
Qiú is a legendary unicorn.
【虶yū】 蚰蜒.
[Rainbow hóng] refers to a rainbow.
【Shrimp xiā】
【Shrimp toad hámá】
[൧chài] refers to scorpions.
【Ant mǎhuáng】
【Mussel bàng】
[蚖yuán] refers to a pit viper.
[Shang 蚷shāngjù] refers to Malu.
[蚙 poor qínqióng] i.e. worms.
【Centipede wúgōng】
【Tadpole 蚪kēdǒu】
[Ephemeral] is a rat woman.
【Earthworm qiūyǐn】
[Ant bā] shellfish.
[Cockle hān] is a cockle, a mollusk.
【Oyster mǔlì】
【Cockroach rán】 Python.
[Worm worm yóuyán] commonly known as grass shoe worm.
[Slugs] Slugs.
【Horse worm】 Centipede.
【Snake shé】
[蛏chēng] mollusk.
【Frog wā】
【Spider zhīzhū】
【Slugskuòyú】
【Clam gélì】
【Clam géjiè】Big gecko.
【Toad hámá】
Crabs.
[蛝 xián] is Malu.
【Cockroach qiúmáo】Pike crab.
[Cockroach xiāo] is an octopus.
【Snail wōniú】
【Toad chánchú】
【Lizard xīyì】
[蜿蟺 wānshàn] i.e. earthworms.
[Slug jūzhū] is an aquatic animal.
【Salamander róngyuán】
[Ceratophyllus làgū] belongs to the genus shrimp.
【Bat biānfú】
【Viper kuíshé】
Scorpion xiē: Scorpion
【Mitesǎn】
【Python mǎng】
【Hydra shuǐxī】
【Crab pángxiè】
【Snail luó】Commonly known as snail.
[Qu cunqǔshàn] i.e. earthworm.