why is my dog scared of flies – Buzz to Panic

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Is your furry friend trembling, hiding, or frantically darting away at the sight of a fly? You’re not alone in wondering,”Why is my dog scared of flies?”

Dogs, with their acute senses, perceive flies as threats, magnifying their buzz and detecting their odours. Fear of erratic movements, past negative experiences with insects, and certain genetic factors all contribute to a dog’s intense, primal fear of flies.

In this article, we explore these deep rooted reasons why dogs develop a fear of flies and offer practical ways to help your furry friend regain their confidence and find peace in the presence of these buzzing insects.

Fly vs Dog: The Science Behind It

From a human perspective, flies are just an annoyance that we shoo away or swat with a newspaper.

However, from an anxious dog’s perspective, these pests are like mini monsters invading their personal space.

fly on a plant pot

The buzzing sound they make and the erratic movements they exhibit will trigger fear in anxious dogs and cause them to react in ways we just can’t fathom.

Our furry friend’s fear of flies is not necessarily rational or logical, it’s primal, and it feels intense to them.

The Super Sensitive Senses of Dogs

Dogs have a highly developed sense of smell and hearing, which makes them more perceptive to fly activity.

Flies emit pheromones and an odour, which dogs can detect with their powerful noses.

The buzzing sound that flies emit is also greatly amplified in a dog’s ears because they can hear a much higher range of frequencies than we can.

This heightened sense of perception is what causes some dogs to become hypersensitive and anxious around flies, leading to fear and avoidance.

Instinctual Responses

Fear is a natural response for all living creatures, including dogs. In the wild, fear is an essential tool for survival.

It tells animals to avoid danger and stay away from things that could harm them. For domesticated dogs, this instinct remains strong, even if the perceived threat is not as great.

Dogs have an innate fear of certain things, including loud noises such as thunderstorms or fireworks, new people or animals entering their territory, and even certain scents.

Flies are no exception to this rule.

Dogs also possess an instinctive fear of things that move erratically or unpredictably, like flying insects, as they associate these movements with danger or threat.

This intuitive response is also why some dogs will react differently to other flying insects, such as butterflies or bees.

Negative Associations

In addition to instinctual responses, negative experiences with flies in the past will also contribute to a dog’s fear.

Dogs that experience bee stings or mosquito bites are more likely to associate all flying insects with pain or discomfort.

Similarly, a dog that has had multiple flies buzzing around them at once will feel overwhelmed or unable to escape from them, and this leads to increased anxiety around all flying insects.

The Role of Genetics

Genetics also plays a role in how sensitive an individual dog is to certain stimuli like fly activity.

Certain breeds have a reputation for being more reactive overall, while others naturally exhibit calmer behavior.

However, it’s important not to generalize based on breed alone since each individual pup has their own unique personality and set of experiences that influence their behavior.

Behavioral Training: Overcoming Fear of Flies

Positive Reinforcement Techniques

An irrational fear of flies in your dog will be stressful for both you and your dog.

While it appears to be a small issue, it will lead to bigger problems when left unaddressed.

Many owners make the mistake of punishing their dogs when they exhibit fear-related behaviors, but this approach is both ineffective and extremely damaging.

Instead, use positive reinforcement techniques to help your dog overcome their fear without causing additional anxiety.

One way to achieve this is through counter-conditioning.

This involves gradually exposing your dog to situations where there is a fly.

Fly on a dog

For example, you could put your dog on a leash, and take them into a room containing a fly.  

Start with a brief amount of time in the room, then gradually increasing the time until they are comfortable being in the room with the fly.

When your dog shows signs of calmness around the fly, reward them with treats or praise.

This will teach your dog that being around flies is a positive experience.

Another technique is desensitization.

This involves exposing your dog to recorded sounds of buzzing flies at low volume and gradually increasing the volume over time as your dog becomes more comfortable with the sound.

Again, rewarding calm behavior with treats or praise will reinforce positive associations with flies.

The Importance of Patience

Overcoming a fear takes time, so having a lot of patience with your furry friend is incredibly important.

It can take several sessions before you start seeing any progress in your dog’s behavior towards flies.

Rushing things or forcing your dog too quickly into uncomfortable situations can actually make their phobia worse.

Keep training sessions short and frequent, but don’t push too hard too soon.

When your dog shows signs of stress or anxiety during training sessions, take a break and try again later when they are feeling calmer.

Professional Help

There are situations when training your dog for something like this is a struggle, especially when tackling a specific phobia like this on your own.

In cases like this, consider seeking help from a professional trainer or behaviorist.

These experts will provide personalized training plans tailored to your dog’s specific needs and personality.

Don’t be ashamed to ask for help, seeking assistance from a professional shows that you are a responsible owner that cares about your dog.  

Ultimately the expertise you gain from an expert will ultimately benefit both you and your dog in the long run.

Be Consistent

Consistency is crucial when it comes to training your dog, especially when dealing with phobias.

Make sure everyone in your household is on board with the training plan and knows what behaviors to reinforce.

Additionally, ensure everyone involved with training is also consistent with rewarding the dog for calm behavior.

If you only reward your dog occasionally or inconsistently, they won’t associate being calm around flies as a positive thing.

Alternative Solutions

Reconsider Repellents

I know it’s tempting to want to use a quick fix solution, like spraying your dog with a chemical repellent to keep the flies away.

But let me tell you something: those repellents are not only harmful to your dog, but also to the environment.

Not to mention the fact that they can be completely ineffective.

Instead of relying on chemicals, use natural remedies like essential oils or herbs that are good at repelling flies.

Citronella oil, for example, is an effective repellent that is safe for dogs when used properly.

Create a Calming Environment

One of the best ways to help your dog overcome their fear of flies is by creating a calming and safe environment for them.

This means creating a space where they feel comfortable and secure.

Invest in calming aids like pheromone diffusers or music specifically designed for anxious dogs.

Also, create a peaceful atmosphere by dimming the lights and playing relaxing sounds like nature sounds or white noise.

Educate Yourself on Fly Behavior

It sounds a bit weird but stick with me on this.

Understanding fly behavior is incredibly helpful in managing your dog’s fear of these insects.

fly behavior - dog scared of flies

For example, did you know that houseflies are most active during daylight hours when it’s warmer?

This means that you are able to plan activities with your dog during times when there are fewer flies around, like early morning walks or late evening playtime.

Also, colder temperatures make them slow and easier to catch and less likely to be buzzing around your dog’s head.

Why is my dog scared of Flies – Final Thoughts

Numerous scientific explanations account for why dogs experience fear of flies. These explanations encompass their heightened senses, instinctual responses, and negative associations.

Understanding these underlying factors can help dog owners be more empathetic towards their furry friends and find effective ways to manage their fear.

Whether it’s through training, natural repellents, or creating a calm environment, there are options that can provide relief and comfort for dogs who are afraid of these buzzing pests

Do not feel discouraged if progress is slow – overcoming fear requires time and effort.

Keep in mind the importance of exercising patience and consistency while employing positive reinforcement techniques.

Anxious dog next to a white sofa - dog scared of flies

Every dog is different, so it’s worth exploring different options until you find what works best for yours.

With the right approach, your furry friend will learn to feel comfortable and safe in every environment they encounter – even when flies are buzzing around.

Frequently Asked Questions

Could my dog’s fear of flies be a sign of a larger anxiety disorder?

It’s possible. If your dog shows signs of excessive fear or anxiety in other situations too, it would be worth discussing this with your vet or a pet behaviorist.

Is the stress from my dog’s fear of flies causing harm to them?

Chronic stress can potentially harm your dog’s health, both physically and mentally, especially if this is an ongoing and persistent fear.

Is it possible that my dog is not scared of flies, but rather annoyed by them?

Yes, some dogs may not necessarily fear flies but rather become annoyed by their presence and the constant buzzing sound they emit.

My dog was fine with flies last summer, why is he scared now?

Dogs, like humans, can develop new fears at any stage of their life. It could be due to a negative experience or changes in their health or environment.

My dog used to be scared of flies, but now this fear has transferred to butterflies. Why might this be?

Dogs might generalize their fear from one flying insect to others, especially if they look similar or have similar behavior. The fluttering movement of a butterfly could remind your dog of a fly, triggering the same fear response.


All information in this article is for educational purposes only and is not meant to replace your veterinarian's advice.
Jen Smart

Jen is the founder of, a leading resource for managing and treating anxiety in dogs. With over a decade of experience in working with rescue dogs, Jen holds diplomas in Understanding Canine Anxiety, Canine Holistic Health & Therapy, CBD Oil for Animals, and Zoopharmacognosy. Her expert insights help dog owners navigate the challenges of anxiety with compassionate, innovative solutions. Follow Jen’s guidance at Anxious Canine for a calmer, happier dog.

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