Pest control professionals A–Z dictionary

UK trade reference · plain English

Effective pest management starts with identifying the organism and evidence of activity. Proofing, food sources, harbourage, hygiene and monitoring may be as important as a treatment product. Children, pets, wildlife and occupants' health can affect the plan. A sighting or an old mark is not automatically evidence of an active infestation. Use these terms to discuss investigation, proportionate action and follow-up rather than improvise pesticide use.

This A–Z combines useful technical vocabulary with links to full references where the article meets our depth and sourcing checks. An unlinked definition is intentionally kept here rather than turned into a shallow standalone page. Read a quotation against its actual scope: a familiar word is not a complete specification.

A

Activity monitoring
Collecting evidence over time to establish presence and response to control, using appropriate safe methods.

G

Getting into pest control
Pest control investigates the cause and extent of a problem and selects appropriate prevention and control measures. It is not simply applying the strongest available chemical. A trainee needs identification, site-assessment and reporting skills alongside safe use of authorised products or devices where justified.

H

Harbourage
Places where pests shelter or establish themselves. Removing access or shelter can form part of a control plan.

I

Infestation
Established unwanted pest presence. Evidence and species need identifying rather than inferring it from one ambiguous mark.
Inspection evidence
Recorded observations supporting identification and activity assessment. Describe where and when signs were found rather than assuming every old mark is current.
Integrated pest management
A coordinated approach combining investigation, prevention, monitoring and appropriate interventions instead of relying solely on chemicals.

N

Non-target species
Organisms which are not the intended target of control. Protecting them affects method and product selection.

P

Proofing
Appropriate measures reducing pest entry or movement. Materials and openings need assessment without compromising ventilation or other safety functions.

R

Rodenticide
A pesticide intended to control rodents. Its use is subject to product instructions and relevant legal and safety requirements.

T

Treatment review
A follow-up assessment of evidence and outcomes, not an assumption that a product application permanently resolved the cause.

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Sources and further reading

Linked article sources support the technical background; informal usage is editorial and varies by region. Full specification and legal requirements must be checked in the original.

Sources checked: 8 November 2026. General reference, not instructions for safety-critical DIY. National regulations and current standards must be checked for the project.

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