虫

pyralid larva; borer

shield bug; stink bug; pentatomid

trematodes (i.e. flukes)

hookworm disease; ancylostomiasis; ankylostomiasis; uncinariasis

first spring thunderstorm of the year

dragonfly

hookworm

groundhopper (esp. species Tetrix japonica)

caddis worm; caddis-worm (caddisfly larva)

Rare term

bombardier beetle (esp. species Pheropsophus jessoensis)

stink bug

incantation to rid a child of insects traditionally believed to cause disease; charm to cure colic, tantrums, etc.

anthelmintic; vermifuge; vermicide

insect repellent

filaria; heartworm

ciliate

gall (abnormal plant growth formed by insects)

Lethocerus deyrollei (species of giant water bug)

Reptilia

Colloquial

chrysalis of a swallowtail butterfly (esp. of species Atrophaneura alcinous)

ribbon worm (any worm of phylum Nemertea)

Asian lady beetle (Harmonia axyridis); harlequin ladybird; Halloween beetle

pseudoscorpion (any arachnid of order Pseudoscorpionida); false scorpion

hister beetle (Hister jekeli); clown beetle

tree wax; insect wax; Chinese wax

aphid; plant louse; plant lice