Why Are There So Many Black Flies In My House?

Black flies in your house can be a real nuisance, but flyermedia.net has your back. Understanding why these pests are invading your space is the first step to getting rid of them and preventing future infestations. Discover effective strategies to control black flies, protect your home, and ensure a fly-free environment with insights into fly behavior, prevention methods, and expert advice.

1. What Attracts Black Flies to My House?

Several factors can attract black flies, also known as buffalo gnats, to your home. These include the presence of stagnant water, decaying organic matter, and even carbon dioxide emissions. Knowing these attractants helps you target the root causes and create an environment less appealing to these pests.

Stagnant Water: Black flies breed in flowing water, but standing water sources near your home, such as bird baths, clogged gutters, or even damp soil, can attract them.
Decaying Organic Matter: Garbage, compost piles, and decaying vegetation can provide a food source and breeding ground for black flies.
Carbon Dioxide Emissions: Like many insects, black flies are attracted to the carbon dioxide exhaled by humans and animals.
Outdoor Lighting: Black flies are attracted to light, particularly ultraviolet light, which can draw them towards your house at night.

1.1. How Does Stagnant Water Contribute to Black Fly Infestations?

Stagnant water serves as a breeding ground for black flies, allowing them to reproduce and increase their population. Black flies require moving water to lay their eggs, but areas with poor drainage or standing water can still attract them.

Breeding Cycle: Female black flies lay their eggs on objects in flowing water, but the presence of nearby stagnant water can support the development of larvae.
Ideal Conditions: Warm temperatures and nutrient-rich water create ideal conditions for black fly larvae to thrive.
Prevention: Eliminating stagnant water sources around your property can significantly reduce the number of black flies attracted to your home.

1.2. Why Are Black Flies Drawn to Decaying Organic Matter?

Decaying organic matter provides a food source for black fly larvae and adult flies. Garbage, compost, and decomposing vegetation release odors that attract these pests, making your property more appealing.

Nutrient Source: Decaying matter contains essential nutrients that support the growth and development of black fly larvae.
Odor Attraction: The strong odors emitted by decomposing materials act as a beacon for black flies, drawing them towards your home.
Control Measures: Properly managing garbage and compost, and removing decaying vegetation can minimize black fly attraction.

1.3. How Does Carbon Dioxide Emission Affect Black Fly Presence?

Carbon dioxide (CO2) is a primary attractant for many insects, including black flies. As humans and animals exhale CO2, it creates a trail that black flies can follow to locate a potential blood source.

Host Location: Black flies use CO2 as a cue to find hosts, such as humans and animals, from which they can obtain a blood meal.
Attraction Range: Black flies can detect CO2 from a considerable distance, making your home a target even if you are not outdoors.
Minimizing Attraction: While you cannot eliminate CO2 emissions, reducing other attractants can help minimize the overall presence of black flies.

1.4. The Role of Outdoor Lighting in Attracting Black Flies

Outdoor lighting, particularly ultraviolet (UV) light, can attract black flies to your property. Black flies are drawn to light sources at night, increasing the likelihood of them entering your home.

UV Light Attraction: Black flies are highly attracted to UV light, which is emitted by many outdoor lights.
Entry Points: Once attracted to the light, black flies may find their way inside through open windows, doors, or cracks in the structure.
Lighting Alternatives: Using yellow or sodium vapor lights can reduce the attraction of black flies compared to traditional white lights.

2. Where Do Black Flies Typically Breed?

Black flies breed in flowing water, such as streams, rivers, and creeks. Understanding their breeding habits is crucial for preventing infestations around your home.

Flowing Water Requirement: Black flies need flowing water to lay their eggs, as the movement provides oxygen and nutrients for the developing larvae.
Attachment to Substrates: Female black flies attach their eggs to submerged rocks, vegetation, and other substrates in the water.
Larval Development: The larvae hatch and attach themselves to the same substrates, feeding on organic matter filtered from the water.

2.1. Why is Flowing Water Essential for Black Fly Breeding?

Flowing water is essential for black fly breeding because it provides the necessary oxygen and nutrients for the developing larvae. The constant movement of water ensures that the larvae receive a continuous supply of food and oxygen.

Oxygen Supply: Flowing water is highly oxygenated, which is crucial for the survival of black fly larvae.
Nutrient Delivery: The current carries organic matter and microorganisms that serve as food for the larvae.
Habitat Preference: Black flies have evolved to breed in flowing water, and they cannot reproduce in stagnant water sources.

2.2. Common Breeding Sites for Black Flies Around Homes

While black flies require flowing water to breed, several areas around homes can contribute to local populations. Identifying and managing these sites can help reduce black fly numbers.

Streams and Creeks: If your property is near a stream or creek, these are prime breeding locations for black flies.
Drainage Ditches: Drainage ditches that carry flowing water can also support black fly breeding.
Irrigation Systems: Irrigation systems that create small streams or trickles of water can provide suitable breeding sites.
Natural Habitats: Black flies are common in forested areas near flowing water sources, posing a challenge for homeowners in these regions.

2.3. How Do Black Fly Larvae Survive in Flowing Water?

Black fly larvae have several adaptations that allow them to survive in flowing water. These include specialized attachment mechanisms and feeding strategies.

Attachment Mechanisms: Larvae have a posterior proleg with hooks that allow them to attach securely to submerged substrates.
Filter Feeding: They use specialized fans near their mouths to filter organic matter and microorganisms from the water.
Tolerance to Current: Their streamlined bodies and strong attachment abilities enable them to withstand the force of the flowing water.

3. What are the Health Risks Associated with Black Flies?

Black flies are not only a nuisance but can also pose health risks. Their bites can cause allergic reactions, transmit diseases, and lead to secondary infections.

Allergic Reactions: Many people experience allergic reactions to black fly bites, including itching, swelling, and redness.
Disease Transmission: Black flies can transmit diseases, although this is rare in the United States.
Secondary Infections: Scratching black fly bites can lead to secondary infections, such as impetigo or cellulitis.
Psychological Impact: The persistent biting and annoyance caused by black flies can lead to stress and anxiety.

3.1. How Do Black Fly Bites Cause Allergic Reactions?

Black fly bites can cause allergic reactions due to the saliva they inject while feeding. The saliva contains compounds that trigger an immune response in susceptible individuals.

Saliva Composition: Black fly saliva contains enzymes and proteins that prevent blood clotting and promote blood flow.
Immune Response: The body recognizes these compounds as foreign substances, triggering an immune response that leads to inflammation and itching.
Severity of Reactions: Allergic reactions can range from mild itching and redness to severe swelling and blistering.
Treatment: Antihistamines and topical corticosteroids can help relieve the symptoms of allergic reactions to black fly bites.

3.2. Can Black Flies Transmit Diseases to Humans?

While rare in the United States, black flies can transmit diseases to humans in other parts of the world. The most significant disease transmitted by black flies is onchocerciasis, also known as river blindness.

Onchocerciasis: Black flies transmit the parasitic worm Onchocerca volvulus, which causes river blindness.
Transmission Mechanism: The worms are transmitted through the bites of infected black flies.
Symptoms: Onchocerciasis can cause skin lesions, itching, and eventually blindness.
Geographic Distribution: River blindness is primarily found in parts of Africa, Latin America, and Yemen.

3.3. Risks of Secondary Infections from Black Fly Bites

Scratching black fly bites can lead to secondary infections, such as impetigo or cellulitis. Breaking the skin allows bacteria to enter, causing inflammation and infection.

Skin Damage: Scratching can damage the skin, creating an entry point for bacteria.
Bacterial Entry: Bacteria, such as Staphylococcus and Streptococcus, can enter the wound and cause infection.
Symptoms of Infection: Symptoms of secondary infections include redness, swelling, pain, and pus.
Treatment: Antibiotics are typically required to treat secondary infections caused by black fly bites.

4. Effective Methods for Controlling Black Flies in Your Home

Controlling black flies in your home involves a combination of preventive measures, physical removal, and chemical treatments. A comprehensive approach is essential for long-term control.

Preventive Measures: Eliminate breeding sites and reduce attractants around your property.
Physical Removal: Use traps, screens, and other physical barriers to keep black flies out of your home.
Chemical Treatments: Apply insecticides to control black fly populations, but use them cautiously and follow label instructions.
Professional Assistance: Consider hiring a pest control professional for severe infestations or if you are unable to manage the problem yourself.

4.1. Preventive Strategies to Keep Black Flies Away

Preventive strategies are the most effective way to control black flies. By reducing attractants and eliminating breeding sites, you can create an environment that is less appealing to these pests.

Eliminate Stagnant Water: Remove standing water from bird baths, flower pots, and other containers.
Maintain Gutters: Keep gutters clean and free of debris to prevent water from accumulating.
Manage Vegetation: Trim vegetation around your property to reduce humidity and create a less favorable habitat for black flies.
Proper Waste Disposal: Dispose of garbage properly and keep compost piles covered.

4.2. Physical Barriers and Traps for Black Fly Control

Physical barriers and traps can help reduce the number of black flies that enter your home. These methods are non-toxic and can be used in conjunction with other control strategies.

Screens: Install screens on windows and doors to prevent black flies from entering your home.
Traps: Use sticky traps or UV light traps to capture black flies indoors.
Protective Clothing: Wear long sleeves, pants, and hats when outdoors to protect yourself from bites.
Insect Repellents: Apply insect repellents containing DEET or picaridin to exposed skin to deter black flies.

4.3. When to Consider Chemical Treatments for Black Fly Infestations

Chemical treatments should be considered when preventive measures and physical barriers are insufficient to control black fly infestations. Insecticides can effectively reduce black fly populations, but they should be used cautiously and according to label instructions.

Severe Infestations: If you are experiencing a severe black fly infestation, chemical treatments may be necessary.
Public Health Concerns: In areas where black flies transmit diseases, chemical treatments may be used to protect public health.
Professional Application: Consider hiring a pest control professional to apply insecticides safely and effectively.
Environmental Impact: Be aware of the potential environmental impact of insecticides and choose products that are least harmful to non-target organisms.

4.4. What Insecticides are Effective Against Black Flies?

Several insecticides are effective against black flies, including those containing permethrin, pyrethrin, or DEET. These insecticides can be applied to clothing, skin, or outdoor areas to control black fly populations.

Permethrin: Permethrin is a synthetic pyrethroid insecticide that can be applied to clothing to repel and kill black flies.
Pyrethrin: Pyrethrin is a natural insecticide derived from chrysanthemum flowers that can be used in sprays and foggers to control black flies.
DEET: DEET is a common ingredient in insect repellents that can be applied to skin to deter black flies.
Label Instructions: Always follow label instructions when using insecticides to ensure safe and effective application.

5. Natural Remedies to Repel Black Flies

Natural remedies can provide a safe and effective alternative to chemical insecticides for repelling black flies. These remedies often involve the use of essential oils and other natural compounds.

Essential Oils: Certain essential oils, such as citronella, eucalyptus, and lavender, have repellent properties against black flies.
Herbal Remedies: Herbs like rosemary, mint, and basil can also help repel black flies.
Homemade Sprays: You can make your own black fly repellent sprays using essential oils and water.
Planting Repellent Plants: Planting repellent plants around your property can help create a natural barrier against black flies.

5.1. Which Essential Oils Repel Black Flies?

Several essential oils have been shown to repel black flies, including citronella, eucalyptus, lavender, peppermint, and tea tree oil. These oils contain compounds that interfere with the black flies’ ability to locate hosts.

Citronella: Citronella oil is a well-known insect repellent that is effective against black flies.
Eucalyptus: Eucalyptus oil contains cineole, a compound that has repellent properties against black flies.
Lavender: Lavender oil has a pleasant scent that is offensive to black flies.
Peppermint: Peppermint oil contains menthol, which repels black flies and other insects.
Tea Tree Oil: Tea tree oil has antiseptic and repellent properties that can help protect against black fly bites.

5.2. How to Make a Natural Black Fly Repellent Spray

You can make your own natural black fly repellent spray using essential oils and water. This homemade spray is a safe and effective alternative to chemical insecticides.

Ingredients: You will need essential oils (such as citronella, eucalyptus, or lavender), water, and a spray bottle.
Preparation: Mix 10-20 drops of essential oil with 4 ounces of water in a spray bottle.
Application: Shake the bottle well and spray the mixture on your skin and clothing, avoiding your eyes and mouth.
Reapplication: Reapply the spray every 2-3 hours, or as needed.

5.3. Plants That Naturally Repel Black Flies

Planting certain plants around your property can help create a natural barrier against black flies. These plants contain compounds that repel black flies and other insects.

Citronella Grass: Citronella grass is a popular plant for repelling mosquitoes and black flies.
Lavender: Lavender plants have a pleasant scent that is offensive to black flies.
Marigolds: Marigolds contain pyrethrum, a natural insecticide that repels black flies.
Rosemary: Rosemary plants have a strong scent that deters black flies and other insects.
Mint: Mint plants contain menthol, which repels black flies and other insects.

6. The Lifecycle of Black Flies: Understanding Their Development

Understanding the lifecycle of black flies is essential for implementing effective control strategies. Knowing when and where black flies breed can help you target your efforts.

Egg Stage: Female black flies lay their eggs on objects in flowing water.
Larval Stage: The larvae hatch and attach themselves to submerged substrates, feeding on organic matter.
Pupal Stage: The larvae transform into pupae, which remain attached to the substrates.
Adult Stage: Adult black flies emerge from the pupae and fly away to mate and feed.

6.1. The Egg Stage of Black Flies: Where and How They are Laid

The egg stage of black flies is a critical part of their lifecycle. Female black flies lay their eggs on objects in flowing water, typically in streams, rivers, and creeks.

Egg Laying Process: Female black flies fly over the water surface and deposit their eggs on submerged substrates.
Egg Placement: Eggs are typically attached to rocks, vegetation, and other objects in the water.
Egg Characteristics: Black fly eggs are small and dark in color, making them difficult to see.
Hatching Time: The time it takes for eggs to hatch depends on water temperature and other environmental factors.

6.2. The Larval Stage: Growth and Development in Water

The larval stage is the longest part of the black fly lifecycle. During this stage, the larvae grow and develop in flowing water, feeding on organic matter and microorganisms.

Larval Attachment: Black fly larvae attach themselves to submerged substrates using a posterior proleg with hooks.
Feeding Habits: They use specialized fans near their mouths to filter organic matter from the water.
Molting Process: As they grow, larvae molt several times, shedding their exoskeletons.
Larval Duration: The larval stage can last from a few weeks to several months, depending on water temperature and food availability.

6.3. The Pupal Stage: Transformation Before Adulthood

The pupal stage is a transitional phase in the black fly lifecycle. During this stage, the larvae transform into pupae, which remain attached to the substrates in flowing water.

Pupal Attachment: Black fly pupae attach themselves to submerged substrates using a silken cocoon.
Pupal Development: Inside the cocoon, the larvae undergo metamorphosis, transforming into adult black flies.
Pupal Duration: The pupal stage typically lasts for a few days to a week.
Emergence of Adults: Adult black flies emerge from the pupae, ready to mate and feed.

6.4. The Adult Stage: Mating and Feeding Habits

The adult stage is the final phase of the black fly lifecycle. Adult black flies emerge from the pupae and fly away to mate and feed.

Mating Process: Male black flies typically emerge before females and gather near breeding sites to mate.
Blood Feeding: Female black flies require a blood meal to develop their eggs.
Host Seeking: They use carbon dioxide and other cues to locate hosts, such as humans and animals.
Lifespan: Adult black flies typically live for a few weeks to a month, depending on environmental conditions.

7. Identifying Different Types of Flies in Your House

While black flies are a common nuisance, other types of flies may also invade your home. Identifying the specific type of fly is essential for implementing effective control strategies.

House Flies: House flies are common household pests that are attracted to garbage and decaying matter.
Fruit Flies: Fruit flies are small flies that are attracted to overripe fruits and vegetables.
Drain Flies: Drain flies breed in drains and sewers and are often found in bathrooms and kitchens.
Phorid Flies: Phorid flies, also known as humpbacked flies, are attracted to decaying organic matter and can breed in drains and sewers.

7.1. Distinguishing Black Flies from House Flies

Black flies and house flies are two distinct types of flies that differ in appearance, behavior, and breeding habits.

Appearance: Black flies are smaller and darker than house flies, with a humpbacked appearance.
Biting Behavior: Black flies are biting insects that feed on blood, while house flies do not bite.
Breeding Habits: Black flies breed in flowing water, while house flies breed in garbage and decaying matter.
Habitat: Black flies are typically found near streams and rivers, while house flies are found in a variety of environments.

7.2. Recognizing Fruit Flies: Appearance and Behavior

Fruit flies are small, nuisance flies that are attracted to overripe fruits and vegetables. They are commonly found in kitchens and pantries.

Appearance: Fruit flies are small, with red eyes and tan bodies.
Attraction to Fruit: They are attracted to the odors emitted by overripe fruits and vegetables.
Breeding Habits: Fruit flies lay their eggs on the surface of fruits and vegetables.
Rapid Reproduction: Fruit flies can reproduce quickly, leading to large infestations in a short period of time.

7.3. Identifying Drain Flies: Where They Breed and How to Spot Them

Drain flies, also known as moth flies, are small, fuzzy flies that breed in drains and sewers. They are often found in bathrooms and kitchens.

Appearance: Drain flies are small, with fuzzy wings and bodies.
Breeding Sites: They breed in the organic matter that accumulates in drains and sewers.
Nocturnal Activity: Drain flies are most active at night.
Control Measures: Cleaning drains and sewers can help eliminate drain fly breeding sites.

8. Professional Pest Control for Black Flies: When to Call an Expert

While many black fly infestations can be managed with DIY methods, some situations may require professional pest control services.

Severe Infestations: If you are experiencing a severe black fly infestation that you cannot control on your own, it may be time to call an expert.
Disease Transmission: If black flies are transmitting diseases in your area, professional pest control may be necessary to protect public health.
Difficult Breeding Sites: If black flies are breeding in difficult-to-reach areas, such as streams or sewers, professional assistance may be required.
Peace of Mind: Hiring a professional pest control company can provide peace of mind and ensure that the problem is effectively resolved.

8.1. Signs That You Need Professional Pest Control

Several signs may indicate that you need professional pest control for black flies.

Persistent Infestations: If you have tried DIY methods without success, it may be time to call a professional.
Large Populations: If you are seeing large numbers of black flies around your property, it may be difficult to control the infestation on your own.
Health Concerns: If you are experiencing allergic reactions or other health problems due to black fly bites, professional pest control may be necessary.
Unidentified Breeding Sites: If you are unable to locate the breeding sites of the black flies, a professional can help identify and eliminate them.

8.2. What to Expect from a Professional Pest Control Service

When you hire a professional pest control service for black flies, you can expect the following:

Inspection: The pest control technician will inspect your property to identify the source of the infestation and assess the extent of the problem.
Treatment Plan: Based on the inspection, the technician will develop a customized treatment plan to control the black fly population.
Treatment Application: The technician will apply insecticides and other control measures to eliminate black flies and prevent future infestations.
Follow-Up: The pest control company may provide follow-up services to ensure that the treatment is effective and to address any remaining issues.

8.3. How to Choose a Reputable Pest Control Company

Choosing a reputable pest control company is essential for ensuring effective and safe treatment.

Licensing and Certification: Make sure the company is licensed and certified by your state or local authorities.
Experience: Look for a company with experience in controlling black flies and other pests.
Reputation: Check online reviews and ask for references to assess the company’s reputation.
Insurance: Make sure the company is insured to protect you from liability in case of accidents or damage.
Guarantees: Ask about the company’s guarantees and warranties to ensure that you are satisfied with the service.

9. Black Flies in Specific Regions: Focusing on the USA

Black flies are found throughout the United States, but their distribution and abundance vary depending on the region. Understanding the specific challenges posed by black flies in different areas can help you implement effective control strategies.

Northeast: Black flies are common in the northeastern United States, particularly in areas with streams and rivers.
Midwest: Black flies are also found in the Midwest, where they can be a nuisance to outdoor enthusiasts.
South: Black flies are less common in the South, but they can still be a problem in some areas.
West: Black flies are found in the western United States, particularly in mountainous regions with flowing water.

9.1. Black Fly Hotspots in the United States

Certain areas in the United States are particularly prone to black fly infestations.

Adirondack Mountains, New York: The Adirondack Mountains are a notorious hotspot for black flies, which can be a major nuisance during the spring and summer months.
Maine: Maine is another state with a high black fly population, particularly in rural areas with streams and rivers.
Minnesota: Minnesota is known for its abundant black flies, which can be a problem for outdoor activities.
Montana: Montana’s mountainous terrain and numerous streams provide ideal breeding conditions for black flies.

9.2. Regional Differences in Black Fly Behavior and Control

Black fly behavior and control strategies can vary depending on the region.

Northeast: In the Northeast, black flies are most active during the spring and early summer months. Control strategies often focus on eliminating breeding sites and using insect repellents.
Midwest: In the Midwest, black flies can be a problem throughout the summer. Control strategies may include using traps and applying insecticides.
West: In the West, black flies are often found in mountainous regions. Control strategies may focus on protecting outdoor workers and recreational users.

9.3. Resources for Black Fly Control in Your Area

Several resources are available to help you control black flies in your area.

Local Extension Offices: Your local extension office can provide information on black fly biology, behavior, and control strategies.
State Health Departments: Your state health department can provide information on the health risks associated with black flies and recommended control measures.
Pest Control Companies: Local pest control companies can provide professional services to control black fly infestations.

10. Staying Informed: News and Updates on Black Fly Control

Staying informed about the latest news and updates on black fly control can help you implement effective strategies and protect yourself from these pests.

Scientific Research: Keep up with the latest scientific research on black fly biology, behavior, and control methods.
Government Agencies: Follow government agencies, such as the Centers for Disease Control and Prevention (CDC) and the Environmental Protection Agency (EPA), for updates on black fly control.
Industry Associations: Follow industry associations, such as the National Pest Management Association (NPMA), for information on pest control best practices.
Online Resources: Consult online resources, such as university extension websites and pest control blogs, for tips and advice on black fly control.

10.1. Recent Scientific Discoveries About Black Flies

Recent scientific discoveries have shed new light on black fly biology, behavior, and control methods.

Genetic Studies: Genetic studies have revealed new information about the evolution and diversity of black flies.
Behavioral Research: Behavioral research has identified new attractants and repellents for black flies.
Control Innovations: Researchers are developing new and innovative control methods for black flies, such as biological control agents and targeted insecticides.

10.2. Government Initiatives for Black Fly Control

Government agencies are involved in black fly control efforts, particularly in areas where black flies transmit diseases.

Surveillance Programs: Government agencies conduct surveillance programs to monitor black fly populations and track the spread of diseases.
Control Programs: Government agencies may implement control programs to reduce black fly populations in areas where they pose a public health threat.
Research Funding: Government agencies provide funding for research on black fly biology, behavior, and control methods.

10.3. Industry Best Practices for Black Fly Management

Pest control companies follow industry best practices for black fly management.

Integrated Pest Management (IPM): Pest control companies use IPM strategies to control black flies, which involve a combination of preventive measures, physical barriers, and chemical treatments.
Targeted Treatments: Pest control companies use targeted treatments to minimize the impact on non-target organisms.
Safety Precautions: Pest control companies follow strict safety precautions to protect workers, customers, and the environment.

Dealing with a black fly infestation can be frustrating, but with the right knowledge and strategies, you can effectively control these pests and protect your home and health. Remember to eliminate breeding sites, use physical barriers and traps, and consider chemical treatments or professional assistance when necessary.

Are you struggling with black flies and looking for reliable information and resources? Visit flyermedia.net today to discover expert advice on pilot training, aviation news, and exciting career opportunities in the aviation industry. Don’t let pests ruin your day – take control and soar to new heights with flyermedia.net. Contact us at Address: 600 S Clyde Morris Blvd, Daytona Beach, FL 32114, United States. Phone: +1 (386) 226-6000. Website: flyermedia.net.

FAQ: Frequently Asked Questions About Black Flies

What are black flies?
Black flies are small, biting insects that are also known as buffalo gnats. They are common near streams and rivers and can be a nuisance to humans and animals.
Why Are There So Many Black Flies In My House?
Black flies may be attracted to your house by stagnant water, decaying organic matter, carbon dioxide emissions, and outdoor lighting.
Are black fly bites dangerous?
Black fly bites can cause allergic reactions and transmit diseases, although this is rare in the United States.
How can I prevent black flies from entering my house?
You can prevent black flies from entering your house by eliminating stagnant water, maintaining gutters, managing vegetation, and using screens and traps.
What are some natural remedies for repelling black flies?
Natural remedies for repelling black flies include essential oils, herbal remedies, and planting repellent plants.
When should I call a professional pest control service for black flies?
You should call a professional pest control service if you are experiencing a severe infestation, if black flies are transmitting diseases in your area, or if you are unable to locate the breeding sites.
How do black flies breed?
Black flies breed in flowing water, such as streams, rivers, and creeks.
What do black fly larvae eat?
Black fly larvae eat organic matter and microorganisms that they filter from the water.
What is the lifecycle of a black fly?
The lifecycle of a black fly includes the egg, larval, pupal, and adult stages.
Where are black flies most common in the United States?
Black flies are most common in the northeastern United States, the Midwest, and mountainous regions of the West.