The act of infesting or state of being infested; molestation; vexation; annoyance.

the presence of a large number of pest organisms in an area or field, on the surface of a host or anything that might contact a host, or in the soil.

Invasion by large numbers of parasites or pests.

some insects appear in large numbers and usually cause damage

Contamination of plant, buildings or stock by pests such as weevils, moths etc.

the state of being invaded or overrun by parasites

a swarm of insects that attack plants; "a plague of grasshoppers"

The presence of a large number of pests in a specific area, such as in a field, on the surface of a host, on anything that might contact a host, or in the soil.

Presence of pests on the crop plants.

the invasion of the skin by a mite or parasite. Scabies and lice are infestations.

Invasion by large number of parasites or pests.

the presence of large numbers of an animal or plant pest species where they are likely to cause damage or annoyance to man

Presence in numbers (e.g., of insects, mites, or nematodes). Do not confuse with "infection," a term that applies only to living, diseased plants or animals.

An invasion of insects, plants, or animals that disrupts a property’s use or value.

The presence of any live or dead life cycle stages of insects in a host product, (e.g., weevils in pecans, fly eggs and maggots in tomato products); or evidence of their presence (i.e., excreta, cast skins, chewed product residues, urine, etc.); or the establishment of an active breeding population, (e.g., rodents in a grain silo).

The occurrence of any pest unusual abundance over a limited area. Applied to single trees or stands. ( BCFT).

The establishment of insects or other animals in timber.

Presence of a fruit fly in a host.

An overrun and invasion, generally associated with insects, bacteria, or other micro-organisms such as mold. Infestation Examples

development of a pathogenic agent on the body, e.g., body lice.