(n.) local people; to describe someone who knows an area particularly well

a litterbug

litura

pests

parasite

worms that grow and live in manure; muckworms

muckworm

lazybones

catching bugs; it means someone who does something not worthwhile and gets himself / herself in trouble

verb; literally: put the bug into the ass, it means ask for trouble; make trouble for oneself, mess up at the end

verb; it means ask for trouble; make trouble for oneself, mess up at the end

firefly

a metaphor for going through excessive and drastic measures unnecessarily in order to avoid a small problem; literally 'cut off one's toes to avoid sandworms'; palliative; something that treats the symptom but not the underlying problem

insect

bookworm

insecticide; pesticide

a poisonous insect; a drug addict

caterpillar

(animal) woolly bear caterpillar

a mighty know-all is no match for an ordinary local (idiom)

(noun) Coral polyps

(verb) have parasites; (disease) people have worms

to describe someone or something that is unreliable

(noun) a walking stick that grows parasites, stick-bugs

Bettle (model of Volkswagen)

rice worm

to create trouble [colloquial]

(noun) tubifex worms

bedbug

Flowers and birds; the world of nature