| 1 | 虫 | 蟲 | chóng | chong2 | lower form of animal life, including insects, insect larvae, worms and similar creatures; Classifiers: 条 ,只 ; (fig.) person with a particular undesirable characteristic | | |
| 2 | 幼虫 | 幼蟲 | yòu chóng | you4 chong2 | larva | | |
| 3 | 昆虫 | 昆蟲 | kūn chóng | kun1 chong2 | insect; Classifiers: 只 | | |
| 4 | 害虫 | 害蟲 | hài chóng | hai4 chong2 | injurious insect; pest | | |
| 5 | 寄生虫 | 寄生蟲 | jì shēng chóng | ji4 sheng1 chong2 | parasite (biology); (fig.) freeloader | | |
| 6 | 成虫 | 成蟲 | chéng chóng | cheng2 chong2 | imago (adult, sexually mature insect, the final stage of its development) | | |
| 7 | 蝗虫 | 蝗蟲 | huáng chóng | huang2 chong2 | locust | | |
| 8 | 虫子 | 蟲子 | chóng zi | chong2 zi5 | insect; bug; worm; Classifiers: 条 | | |
| 9 | 蛔虫 | 蛔蟲 | huí chóng | hui2 chong2 | roundworm (Ascaris lumbricoides), a human parasite | | |
| 10 | 病虫害 | 病蟲害 | bìng chóng hài | bing4 chong2 hai4 | plant diseases and insect pests | | |
| 11 | 萤火虫 | 螢火蟲 | yíng huǒ chóng | ying2 huo3 chong2 | firefly; glowworm; lightning bug | | |
| 12 | 若虫 | 若蟲 | ruò chóng | ruo4 chong2 | (entomology) nymph | | |
| 13 | 候虫 | 候蟲 | hòu chóng | hou4 chong2 | seasonal insect (e.g. cicada) | | |
| 14 | 虫洞 | 蟲洞 | chóng dòng | chong2 dong4 | worm-hole (in cosmology and science fiction) | | |
| 15 | 虫害 | 蟲害 | chóng hài | chong2 hai4 | insect pest; damage from insects | | |
| 16 | 虫胶 | 蟲膠 | chóng jiāo | chong2 jiao1 | shellac | | |
| 17 | 病虫害绿色防控 | 病蟲害綠色防控 | bìng chóng hài lǜ sè fáng kòng | bing4 chong2 hai4 lu:4 se4 fang2 kong4 | green pest prevention and control; environmentally friendly methods of pest control and prevention | | |
| 18 | 潮虫 | 潮蟲 | cháo chóng | chao2 chong2 | woodlouse (suborder Oniscidea within the order Isopoda); a.k.a. roly-poly, pill bug, sow bug etc | | |
| 19 | 步行虫 | 步行蟲 | bù xíng chóng | bu4 xing2 chong2 | ground beetle | | |
| 20 | 病虫 | 病蟲 | bìng chóng | bing4 chong2 | plant diseases and insect pests | | |
| 21 | 标本虫 | 標本蟲 | biāo běn chóng | biao1 ben3 chong2 | spider beetle | | |
| 22 | 扁虫 | 扁蟲 | biǎn chóng | bian3 chong2 | flatworm | | |
| 23 | 鼻涕虫 | 鼻涕蟲 | bí tì chóng | bi2 ti4 chong2 | a slug; sb with a runny nose | | |
| 24 | 百足之虫死而不僵 | 百足之蟲死而不僵 | bǎi zú zhī chóng sǐ ér bù jiāng | bai3 zu2 zhi1 chong2 si3 er2 bu4 jiang1 | a centipede dies but never falls down; old institutions die hard | | |
| 25 | 钻心虫 | 鑽心蟲 | zuān xīn chóng | zuan1 xin1 chong2 | boring insect; snout moth's larva (Aphomia gullaris or Plodia interpuncuella or Heliothus armigera etc), major agricultural pest | | |