How long does it take for roaches to die after exterminator visits?

Question: How long after an exterminator visits and sprays/places traps/etc. should it take cockroaches to die off completely?

ANSWER: It depends on the size of the infestation, the treatment and the formulations used. Some infestations are so severe that many follow-up visits are required. As the homeowner or tenant, it is imperative you follow the instruction from the Pest Specialist as this will expedite getting positive results from the treatment.

For cockroach infestations call your local Orkin Branch Office. An Orkin Pest Specialist who is highly trained will develop a customized treatment plan that best fits your situation. This treatment can include the use of:

  • Cockroach baits
  • Insect growth regulators
  • Repellent and nonrepellent insecticides in cracks and crevices
  • Dusts in voids
  • Monitor cards to verify treatment effectiveness
  • Recommendations on sanitation to eliminate food, water, and shelter sources for cockroaches

Related Questions:

The Orkin Man used the information above to also answer the following questions submitted by Orkin.com users:

Question: How many treatments does it typically take before you are “cockroach free”?

Question: How long does it take to get rid of German cockroaches?

Question: I moved into a new apartment two weeks ago and I keep finding roaches at nighttime in my bedroom and kitchen. The place is completely clean. What can I use to get rid of them for good?

ANSWER: The length of time it takes to rid your home of a cockroach infestation depends largely upon the species and size of the infestation. Many over-the-counter products homeowners utilize often prove ineffective against a cockroach infestation. These pests are extremely adaptable and may even be resistant to some home extermination methods.

The most rapid and effective pest control methods are those administered by trained pest control professionals. There are several techniques and tools that can be employed or recommended by these professionals to help control cockroaches. One strategy is for the pest control professional to partner with the homeowner to reduce cockroach attractants. Sources like pet food dishes, drains, dishwashers, trash cans, etc. should be maintained, cleaned and/or stored properly. Another step is to determine the source or entry point for the cockroaches.

Some cockroaches, like the German cockroach, are primarily carried into the home. Homeowners should be careful to inspect items such as used furniture or appliances for cockroaches before bringing them home. Outdoor cockroaches may invade under doors and through open windows. Homeowners and the pest control professionals should collaborate to seal up the home as much as possible. Pest control professionals also can employ traps such as glue boards in areas where cockroaches may travel or hide. Yet another tool can be proper applications of products such as baits and residuals to cracks/crevices, harborage areas and the exterior of the home. The actual plan and time to help control cockroaches will vary by home and situation.

Our integrated A.I.M. protection process works to assess your home, implement solutions, and monitor any pest problems you may face. Call Orkin today to schedule a home inspection and receive a customized treatment plan from your local Orkin Man.


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