虫

flies that appear in Tohoku and Hokkaido in late autumn or early winter (esp. the woolly apple aphid)

flies that appear above fallen snow in the early spring (esp. certain species of small winter stonefly and true crane fly)

wharf roach (species of isopod closely related to the sea slater; Ligia exotica)

Word usually written using kana alone

hermit crab

宿借り／宿借 only

renting a house

宿借り／宿借 only

tenant

spermatozoon; sperm

insect net; butterfly net

(crop) damage from disease and harmful insects

entomology

peanut worm (any worm of phylum Sipuncula)

aquatic insect larva (esp. of caddisflies, mayflies, etc.)

caterpillar (esp. hairless)

person with scanty supply of clothes

worm; helminth

torch procession to drive away crop-eating insects

butterfly net

kanji "insect" radical at left

Word usually written using kana alone

any horsehair worm of class Gordioidea; gordian worm (of class Gordioidea); hair worm (of class Gordioidea)

wireworm (click beetle larva)

nervous weakness

assassin bug (any insect of family Reduviidae)

Derogatory; Internet slang; Pun on 中国

China

zooid

insect egg; insect eggs

parasite egg; parasite eggs

insects and fish

Mecopoda nipponensis (species of katydid)

giant kidney worm (Dioctophyme renale)

convulsions (in a child); nervousness; short-temperedness

bug thought to cause children's diseases