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What Are Blow Flies?

Blow flies are large flies that frequently invade our Dallas properties. They look similar to house flies, but grow larger and have a metallic appearance. These flies can be a variety of colors including blue, green, gold, or black.


They are a robust species of fly and make a loud buzzing sound that is easily heard when they are flying near you.


The blow fly’s worm-like larvae are pale yellow or white. The larvae’s back end is larger and rounder than their tapered head. The head also has darker, hook-like mouthparts.


Blow Fly Frequently Asked Questions (FAQs)

blow fly on peanut

Are blow flies dangerous?

Female blow flies lay eggs on carrion, excrement, and other decaying matter. After the eggs hatch, the larvae feed on the provided food source.


Blow flies are a type of filth fly, and their breeding and feeding habits cause them to come into contact with a lot of bacteria and other disease-causing pathogens.


After finding their way into your home, blow flies contaminate food and surfaces as they continuously land throughout your home. As blow flies spread bacteria, they can cause diarrhea and other gastrointestinal illnesses in people.


Like with other species of flies, food contaminated by blow flies should be thrown out which, over time, leads to excessive waste. 

Why do I have a blow fly problem?

Decaying organic material found in gardens, trashcans, and wherever pet excrement is present are areas in our yards where blow flies congregate. If you are seeing a large swarm of blow flies in our around your Dallas home, the presence of decaying organic matter is the most likely culprit.

Where will I find blow flies?

Blow flies typically live outside. But, if given the chance, they will move inside of our homes looking for food and a place to breed. These flies usually gain entrance through open windows, open doors, and torn screens.


If you are seeing more than a couple blow flies in your home, they likely have found something that is decaying within your home providing them with a place to feed and lay their eggs.


If you have rodents or other wild animals moving behind your home’s walls and dying, this may trigger a seemingly spontaneous blow fly infestation. 

How do I get rid of blow flies?

To control blow flies on your Dallas property throughout the entire year, partner with All-Safe Pest & Termite. We offer the residential or commercial pest control solutions needed to keep these filthy flies from becoming a problem inside of your home or business.


Locally owned and family operated, All-Safe Pest & Termite is the best choice to get rid of blow flies from your home or business. Our targeted solutions are what you need to eliminate blow flies and keep them from returning. No matter the size of the infestation or your budget, All-Safe Pest & Termite can help!


Give us a call today to learn more about our fly control solutions

How can I prevent blow flies in the future?

Prevent problems with blow flies by partnering with All-Safe Pest & Termite and by implementing the following prevention tips:

  • Keep blow flies out of your home by making sure open windows and doors have screens in them.

  • Never prop your home’s doors open.

  • Replace or repair screens with tears in them.

  • Make sure trash cans (both inside and outside of your home) and compost bins have tight-fitting lids.

  • Regularly clean out and sanitize trash cans to remove decaying matter and sticky liquids.

  • Store food in the fridge or in containers with air-tight lids; don’t leave food out on counters or tables.

  • If you own pets, remove excrement from your yard daily.

  • Maintain garden areas by picking up fallen fruits and vegetables.

  • Inspect the exterior of your home. Seal any gaps to keep blow flies and other unwanted pests out of your home.

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