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Close-up photograph of an American Cockroach (Periplaneta americana)
Gary Alpert · CC BY 2.5
Health risk

American Cockroach

Periplaneta americana

The largest cockroach found in Malta, and one of the few that flies readily on warm nights. Associated with sewers, plant rooms, bakeries and hotel basements.

Size
30–45 mm
Colour
Reddish-brown with a pale yellow figure-of-eight on the head
Active in Malta
June – October
Category
Cockroaches

Where it lives in Maltese properties

Sewers, service ducts, boiler rooms, lift pits, laundries and any warm humid void. Travels long distances through drainage systems and enters buildings through ducting and service risers.

Signs of an infestation

You will usually notice the evidence long before you see the pest itself. Look for:

  • Very large reddish-brown cockroaches, sometimes flying towards lights
  • Droppings with ridged sides, roughly 2 mm long
  • Egg cases glued near warm pipework and behind equipment
  • Sightings in plant rooms, lift pits and basement corridors

Why it matters

The risks associated with American cockroach in Malta:

  • Transfers sewage-borne pathogens to food and clean surfaces
  • Allergen source in hotel and hospital environments
  • Damages books, fabrics and packaging
  • Highly visible failure point in hospitality and food premises

How to prevent it

Prevention is always cheaper than treatment, and for this species it is genuinely effective:

  • Seal service risers, duct penetrations and lift pit entries
  • Maintain drainage and keep interceptors and traps in good order
  • Reduce humidity and fix leaks in plant rooms and laundries
  • Keep external lighting away from doors, or switch to warm-toned lamps

How we treat American cockroach

Control combines residual treatment of harbourage in ducts, risers and plant rooms with gel baiting, dusting of voids and proofing works. In hotels and blocks we treat the whole service infrastructure at once and install monitoring in basements to catch reinvasion early.

Cockroach Treatment — from €110 per property

Gel bait programme for German cockroaches or source-and-drain treatment for Oriental cockroaches, with monitoring and a follow-up visit included.

  • Full survey and species identification
  • Non-repellent gel bait at harbourage points
  • Insect growth regulator to break the breeding cycle
  • Sticky monitors installed and reviewed
  • Follow-up visit after 14 days
  • 90-day guarantee

Dealing with American cockroach?

Book a treatment online at a fixed price, or request an inspection if you would rather have it confirmed first. Either way you will know the cost before anyone starts work.