You probably know the feeling — the stomach-dropping moment when you hear a faint scuffle on your floor and look up to see a large, dark roach scuttling across your room or kitchen. No bug infestation is a particularly fun experience, but roaches somehow take things to a whole new level.
Scot Hodges, vice president of technical services for Arrow Exterminators, says cockroaches fall into two categories: domestic or peridomestic.
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Because of this difference, Hodges likes to classify the arrival of peridomestic roaches as either an infestation or invasion.
Hodges says being able to identify different roach species, as well as if they’re domestic or peridomestic, will help you understand how and why roaches might be entering your house in the first place and which methods to try first.
Hodges says there’s no singular silver bullet approach that will completely eliminate roaches from a house, but rather a combination of many to help deal with the problem. These methods help mitigate small invasions. An exterminator should be called in the event there’s a larger issue.
The first line of defense when combating roaches is to “use the pest’s biology to outsmart it,” according to Amy Cross, the project coordinator at the National Pesticide Information Center. In other words: eliminate any causes for why they might be entering the house.
Here are a few important roach resources to secure:
Food: Roaches need food to survive, and if it’s available in your home, they’ll try to stick around. Wipe or vacuum up any crumbs on floors, tables, and counters. Don’t leave food unsealed in your pantry. To ensure it’s out of reach of pests, store open pantry foods in airtight containers. Roaches also eat substances we don’t consider food, such as hair, soap, and toothpaste. Try to keep your home clean and store away any potential items that roaches may try to feast on.
Leaks: Water is another resource that supports roach life inside of your home. If you have any leaky pipes or areas where water pools or drips, such as underneath sinks or in basements, roaches are likely to congregate there. To drive away roaches, fix any leaky pipes and replace leaky faucets. Repair any other places where outside water can enter your home, such as a leaky window or roof. If your basement is moist, try using a dehumidifer or sump pump.
Hiding spots: During the day, cockroaches often hide in dark areas. Stacks of cardboard boxes, newspaper, and other clutter can make perfect hiding spots for roaches. Break down the boxes and recycle them instead of harboring a potential roach hideout in your home.
Points of entry: Close up points as many points of entry as possible. This could include affixing a door sweep to cover the crack between the bottom of a door and the ground, or sealing up any holes in the foundation of a house.
Outdoor foliage: Hodges also says to maintain clean gutters, and to keep a vegetation-free zone with your landscaping by eliminating any foliage hanging over a house and not adding mulch when it’s not necessary.
Glue strips are one of the safest and most effective solutions for killing roaches, says Hodges.
Glue strips are sheets or tubes covered in a sticky substance and they can quickly catch cockroaches within 24 or 48 hours. While Hodges says these won’t work for large infestations, they can help with monitoring the severity of a roach situation and indicate the severity of an issue.
Important: If the glue strips catch a bunch of roaches, you have a large infestation and should consider calling in a professional exterminator.
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Boric acid is a stomach poison that roaches don’t have any resistance to. A roach must consume the boric acid for it to work.
However, it does come with a few caveats, as both Cross and Hodges point out. First off, Hodges explains it’s a slow-acting agent and takes a while to actually kill roaches. On top of that, Hodges states people often panic and use more than necessary.
“The rule that we use when applying any type of a dust insecticide is that if you can see it, you’ve put out too much,” Hodges says. “If the roach sees that big old pile [of boric acid], they’re just going to walk around.”
To attract roaches to the boric acid, mix it with equal parts sugar and water. Put the mixture in an open jar and place it where you’ve seen roaches. After roaches consume the mixture, they’ll eventually die.
Hodges also encourages people to exercise caution, as boric acid can be toxic in large doses according to the National Pesticide Information Center, and to make sure they’re following the instructions on the label when it comes to application.
Note: If you can’t find boric acid, you can also use Borax.
Diatomaceous earth works as a scratching agent or abrasive meant to get spread out on a surface that insects will then run across. The diatomaceous earth will then damage or stick to the exoskeleton, causing them to dry out.
Similar to boric acid, this option is slow working and oftentimes is applied by people in overly large quantities or incorrectly.
According to Hodges, using too much can sometimes cause itchy or sore throats with homeowners, and Cross also points out that overapplication can render diatomaceous earth ineffective since the roaches will see it and just crawl around it.
Important: Cross advises against using bug bombs or foggers. The mist often doesn’t get into the small spaces and crevices where cockroaches are hiding. Additionally, some species of cockroaches are becoming resistant to some insecticides in many roach foggers, such as pyrethroids.
Baking soda is another common household substance that you can add to your pest-fighting arsenal.
Mix baking soda and sugar to bait the roaches. When they eat the baking soda and consume water, it will cause their insides to bloat and expand, which kills them.
However, baking soda alone is not as effective as boric acid. But you can combine them.
A 2013 study found that pellets made from a combination of three parts boric acid and one part baking soda were effective at killing roaches, with an average death time of 5 hours after ingestion.
Essential oils can be helpful if you’re dealing with a few roaches entering your home from outdoors.
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You can create a spray with at least 2.5% essential oil mixed with water, then spray it around areas where roaches might enter or where you’ve seen them.
Here are several essential oils proven to be effective against specific roach species.
If you have domestic roaches, such as the German cockroach, or if you think roaches are reproducing in your home, purchase an insect growth regulator product, such as a spray formulated with Pyriproxifen. These products focus on roaches at the egg and nymph stage, often rendering them unable to reproduce or mature into adults, and thus reducing the population.
Insect growth regulators are best used in tandem with products that kill adult roaches, since they often do not work on fully grown roaches and can take several months to have any noticeable effect.
Products that bait roaches with a gel applied via syringe make it easier to cover a wider variety of hard-to-reach areas. Covering more surfaces also makes it more likely that roaches will come across the bait.
Experts recommend applying small dots of the gel in areas where roaches may forage or enter and leave, such as in corners, under cabinets, and near cracks and edges. It’s better to use small dots in many areas, rather than large globs in just a few areas.
Baits can take one to three days to kill roaches, allowing them time to potentially infect other roaches, as well.
When you see a roach, step on it. That’s one less roach you need to worry about in your home.
After stepping on a roach, disinfect the area with antibacterial cleaner to avoid spreading any pathogens the roach may have been carrying.
Quick tip: If you’re afraid that stepping on a roach will release all the eggs being carried on its body, worsening a roach problem, then fear not. According to Hodges, the moment a roach is killed, then all the egg capsules will die along with it.
Sometimes you have to pull out the big guns. Roach poison and roach traps are easy to come by and sometimes instantly effective. Here are some of our top recommendations for killing roaches:
We test and recommend the best roach killers. Find our recommendations linked throughout the story, or check out our favorite products here:
While it’s better to leave large roach infestations to the professionals, there are certainly mitigation techniques that can be used to eliminate roaches and keep them from returning to a home.
Closing up cracks in a house and getting rid of anything that might be attracting roaches in the first place is the best line of defense, and glue strips are also a highly recommended option when it comes to efficiently catching roaches.
You can also try natural methods such as diatomaceous earth or essential oil sprays. But if you continue to see roaches in your home, you might need to invest in chemical methods such as syringe-applied gel baits, insect growth regulators, or roach-killing sprays.
Source: https://gardencourte.com
Categories: Kitchens
This post was last modified on 13/10/2023 00:58
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