Ectoparasites at Home — Identification and Pest Control

Ectoparasites live on a host’s outer surface or visit it to feed. When a problem is discovered at home, distinguish medical or veterinary assessment from pest control in the surrounding environment.

Bites alone do not identify the cause

Itching and skin irritation can have several causes. The pattern of marks cannot by itself confirm bed bugs, fleas or another parasite. Consult a clinician about symptoms, or a veterinarian when an animal is affected.

What should you inspect indoors?

Photograph any insect you find and record its size and location. Near beds, check seams and furniture joints; around a pet’s resting area, inspect textiles and flooring. Explain when the problem began and what products have already been used.

Fleas and bed bugs require different plans

Flea control may require coordinated treatment of the environment and veterinary care for pets. Bed bug control focuses on inspecting hiding places and preventing spread through belongings.

Read our guides to getting rid of fleas and identifying bed bugs.

Dust mites are a different issue

Problems associated with dust mites should not be confused with bites from blood-feeding insects. See our practical cleaning advice for dust and moisture management.

Who can help?

CSMG assesses pest activity in premises and plans appropriate work. Treatment of people or animals is not part of this service. Do not apply products intended for rooms to skin or animals. Request an environmental assessment.

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