| 标本虫 | biāo běn chóng | spider beetle |
| 步行虫 | bù xíng chóng | ground beetle |
| 杀虫 | shā chóng | insecticide |
| 杀虫药 | shā chóng yào | insecticide |
| 毛毛虫 | máo mao chóng | caterpillar |
| 沙虫 | shā chóng | sandworm |
| 涡虫纲 | wō chóng gāng | Turbellaria (an order of flatworms) |
| 灭虫宁 | miè chóng nìng | bephenium, anti-parasitic worm medicine |
| 潮虫 | cháo chóng | woodlouse (suborder Oniscidea within the order Isopoda); a.k.a. roly-poly, pill bug, sow bug etc |
| 无钩绦虫 | wú gōu tāo chóng | beef tapeworm |
| 爬虫 | pá chóng | reptile (old or common word for 爬行动物) |
| 爬虫动物 | pá chóng dòng wù | reptile |
| 爬虫类 | pá chóng lèi | reptiles; also written 爬行类 |
| 球虫 | qiú chóng | coccidia (biology) |
| 瓢虫 | piáo chóng | ladybug; ladybird |
| 甲壳虫 | jiǎ qiào chóng | beetle; order Coleoptera; the Beatles (1960s UK pop group) |
| 甲壳虫类 | jiǎ ké chóng lèi | coleoptera |
| 甲虫 | jiǎ chóng | beetle |
| 甲虫车 | jiǎ chóng chē | beetle (nickname for VW car) |
| 病虫危害 | bìng chóng wēi hài | insect or disease damage to crop |
| 疟原虫 | nüè yuán chóng | plasmodium (malaria parasite) |
| 百足之虫死而不僵 | bǎi zú zhī chóng sǐ ér bù jiāng | a centipede dies but never falls down; old institutions die hard |
| 睡眠虫 | shuì mián chóng | trypanosome |
| 稚虫 | zhì chóng | naiad; larva; developmental stage of insect |
| 管圆线虫 | guǎn yuán xiàn chóng | "eel worm", a parasitic worm carrying meningitis |
| 粘虫 | nián chóng | army worm (e.g. Mythimna separata or Leucania separata etc, major cereal pests) |
| 精虫 | jīng chóng | spermatozoon; spermatozoa |
| 精虫冲脑 | jīng chóng chōng nǎo | lit. the spermatozoons have gone to his head; fig. overwhelmed by lust |
| 糊涂虫 | hú tu chóng | blunderer; bungler |
| 糟齿类爬虫 | zāo chǐ lèi pá chóng | thecodontia (primitive dinosaur) |
| 红铃虫 | hóng líng chóng | pink bollworm; Pectinophora gassypiella |
| 绦虫纲 | tāo chóng gāng | Cestoda (an order of flatworms) |
| 丝盘虫 | sī pán chóng | Trichoplax adhaerens (biology) |
| 网虫 | wǎng chóng | internet addict |
| 肝吸虫 | gān xī chóng | liver fluke |
| 胡涂虫 | hú tu chóng | blunderer; bungler; also written 糊涂虫 |
| 茄二十八星瓢虫 | qié èr shí bā xīng piáo chóng | twenty eight spot lady beetle; Henosepilachna vigintioctopunctata Fabricius |
| 蚊虫叮咬 | wén chóng dīng yǎo | insect bites |
| 蚖虫 | yuán chóng | Protura (soil dwelling primitive hexapod) |
| 蚱虫 | zhà chóng | grasshopper |
| 蛀虫 | zhù chóng | insect that eats into wood, books, clothes etc; fig. vermin |
| 蛔虫病 | huí chóng bìng | ascariasis; infectation by parasitic roundworm Ascaris lumbricoides |
| 螟虫 | míng chóng | boring insect; snout moth's larva (Aphomia gullaris or Plodia interpuncuella or Heliothus armigera etc), major agricultural pest |
| 萤火虫 | yíng huǒ chóng | firefly; glowworm; lightning bug |
| 蛰虫 | zhé chóng | dormant insect |
| 螨虫 | mǎn chóng | a mite |
| 蟠尾丝虫 | pán wěi sī chóng | Onchocerca volvulus, the filarial parasite worm causing "river blindness" or onchocerciasis, the second most common cause of blindness in humans |
| 蟠尾丝虫症 | pán wěi sī chóng zhèng | "river blindness" or onchocerciasis, the second most common cause of blindness in humans, caused by the filarial parasite worm Onchocerca volvulus |
| 蛲虫 | náo chóng | parasitic worm; human pinworm (Enterobius vermicularis) |
| 蛲虫病 | náo chóng bìng | enterobiasis |
