Bug guide
Cockroaches are built for the Phoenix Valley heat. Most activity starts outdoors, in sewers, irrigation boxes and landscaping, and moves inside as soon as they find a way in. Here is how they get in, what attracts them, and what you can do about it.
Drains, voids, and under the sink
Mostly through plumbing and small gaps. Larger species like the American cockroach travel through sewer lines and come up through drains, especially when summer heat pushes them toward cooler spaces.
Others walk in under doors, through weep holes and around pipes, or arrive in cardboard boxes, grocery bags and used appliances. German cockroaches require special treatment and are generally not found in residential homes, and have to be introduced from an outside source.
Water first, then food and warmth. In a dry climate, moisture is the biggest draw: a slow leak under a sink or a damp irrigation box can support a population on its own.
Once inside, crumbs, grease, pet food and warm hiding spots behind appliances give them everything they need to stay and breed.
Take away water, food, and seal the gaps they use to enter the living space or home. Small daily habits make a big difference, and a few repairs can cut off the most common routes inside.
If you are seeing cockroaches during the day, a larger population is usually hiding nearby. That is the point to call for a professional inspection.
Every evaluation is on-site, no obligation, and tailored to the species invading your home.
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