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Dec,19 2025

How We Identify Pests Even When You Can’t See Them

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How We Identify Pests Even When You Can’t See Them

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Pests can slowly invade your living spaces, causing devastating damage and costly restorations if left unattended. However, not all critters are easily detected, and you might not detect their presence until it’s too late. When it comes to pest removal, early detection and intervention are vital to prevent devastating scenarios. That’s where Wheeler’s Pest Control comes in as your trusted exterminator for quality services and long-lasting results. If you don’t want to deal with the shock of concealed damage, knowing how to detect pests even when you can’t see them is crucial. Let’s delve into the proven techniques we use to help you protect your home and loved ones.

Physical Evidence

The primary way professional pest service providers in San Diego identify pests is by analyzing physical evidence left in the environment. Here are noticeable signs our exterminators look for that may go undetected by untrained individuals.

Droppings and Urine Stains

The size, shape, and location of fecal matter go a long way in identifying the type of pest on your premises. Whether it is black pepper-like grains for cockroaches or small, rod-shaped droppings for rodents, professionals can pinpoint the culprits and determine the best course of action. Additionally, urine stains that are visible under UV light can also indicate pest activity.

Gnaw Marks and Damage

Dents on furniture, wiring, or packaging may seem like regular wear and tear, but they can suggest rodent activity. On the other hand, termites leave behind damaged wood that may sound hollow or show mud tubes along foundation walls. While these signs may not raise concerns initially, they can worsen if left unattended.

Nesting Materials

Pest control experts look for shredded fabric, paper, grass clippings, or other materials used to build nests in hidden areas like under flooring or voids. A pile of trash may seem normal in residential and commercial properties; it may be home to hundreds, if not thousands, of unwanted critters. A professional pest service provider can assess potential nesting zones and devise treatments to prevent full-blown infestations.

Grease Marks

Rodents usually use the same paths repeatedly, leaving dark, greasy rub marks along walls and baseboards. If you detect these marks on different surfaces around your property, then chances are that you’re dealing with multiple critters. Exterminators pay close attention to detail, identifying marks that can easily go undetected.

Specialized Pest Detection Technology

Beyond the visual indicators, pest service providers leverage professional-grade tools to enhance precision and eliminate uncertainties associated with DIY removals. Let’s explore some of the advanced tools that experts use to find hidden pests within structures.

Thermal Imaging Cameras

These devices detect the heat signatures produced by the body warmth emanating from pests, especially large colonies like termites. Exterminators detect critters as hot spots against cooler backgrounds, allowing them to assess the population and the extent of damage to your building.

Acoustic Detectors

As the name suggests, these devices use sensitive microphones to listen for faint sounds of pests in hidden or hard-to-reach areas. Whether it’s the clicking of termites chewing on wood or the scurrying of rodents within walls, acoustic devices can ensure accurate identification and treatment to prevent further damage.

Pheromone and Sticky Traps

Pest service providers strategically place these traps in low-traffic areas to capture samples of the specific pests. Once the exterminators confirm the presence and species of pest, they can determine population density and entry point. This information is critical in effective pest control, as it ensures long-lasting results while complying with local codes.

Contact Wheeler’s Pest Control to book an appointment with our experts and schedule a consultation with our experts to get ahead of the problem. We leverage extensive expertise and knowledge to inspect, diagnose, and recommend the best solution to protect your home and loved ones.

Hear from Our Happy Customers

Teresa Hutchinson

Guys came on time did their job in a very professional way and we are very happy with their service.

Joe English

Company is on top of their game David  showed up to get are gophers. came out three days in a row haven’t seen a go for since

Gary M.

Joseph is a great ambassador for Wheeler's pest control, and a shout out to Daniel for dealing with my crazy schedule. Thanks guys!

Kristen Forrester

A local business that everyone should support. All techs are knowledgeable, professional! FYI, they are also great w/ eradicating gophers as well!!