infestation

An infestation is an invasion of insects on a place like a house or an attack by insects on a plant.

If you're scared of bugs, you're not going to like learning about an infestation, which is a huge amount of insects going where they're not supposed to be. If a house is full of cockroaches or other bugs, that's an infestation. One or two bugs doesn't count: an infestation means lots of bugs are invading, and it's a huge problem. Also, when plants are attacked by lots of swarming insects, that's called an infestation or plague.

Definitions of infestation
1

n the state of being invaded or overrun by parasites

Types:
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fascioliasis, fasciolosis
infestation with the liver fluke Fasciola hepatica; liver damage sometimes occurs; related to liver rot
fasciolopsiasis
infestation with the large intestinal fluke Fasciolopsis buski; common in eastern Asia
Guinea worm, Guinea worm disease, dracunculiasis
a painful and debilitating infestation contracted by drinking stagnant water contaminated with Guinea worm larvae that can mature inside a human's abdomen until the worm emerges through a painful blister in the person's skin
enterobiasis
an infestation with or a resulting infection caused by the pinworm Enterobius vermicularis; occurs especially in children
bilharzia, bilharziasis, schistosomiasis
an infestation with or a resulting infection caused by a parasite of the genus Schistosoma; common in the tropics and Far East; symptoms depend on the part of the body infected
myositis trichinosa, trichiniasis, trichinosis
infestation by trichina larvae that are transmitted by eating inadequately cooked meat (especially pork); larvae migrate from the intestinal tract to the muscles where they become encysted
acariasis, acaridiasis, acariosis
infestation with itch mites
ascariasis
infestation of the human intestine with Ascaris roundworms
coccidiosis
(veterinary medicine) infestation with coccidia
echinococcosis, hydatid disease, hydatidosis
infestation with larval echinococci (tapeworms)
helminthiasis
infestation of the body with parasitic worms
myiasis
infestation of the body by the larvae of flies (usually through a wound or other opening) or any disease resulting from such infestation
onchocerciasis, river blindness
infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America
opisthorchiasis
infestation with flukes obtained from eating raw fish; common in eastern Asia
lousiness, pediculosis
infestation with lice (Pediculus humanus) resulting in severe itching
trombiculiasis
infestation with chiggers
trichuriasis
infestation by a roundworm; common in tropical areas with poor sanitation
hookworm, hookworm disease
infestation of the intestines by hookworms which enter the body (usually) through the skin
head lice, pediculosis capitis
infestation of the scalp with lice
pediculosis corporis
infestation of body skin with lice
crabs, pediculosis pubis
infestation of the pubic hair by crab lice
Type of:
fullness
the condition of being filled to capacity

n a swarm of insects that attack plants

Synonyms:
plague
Type of:
cloud, swarm
a group of many things in the air or on the ground