Large marsh horsefly

Tabanus autumnalis

Severity of bites

Mid

More serious effects, like stronger pain, more extensive swelling, possible transmission of disease or longer-lasting health effects. This can also include bugs that cause significant discomfort but aren't typically life-threatening.

Description

Large marsh horsefly is prevalent in marshy areas, exhibiting unique behavior with nocturnal feeding habits mainly on large mammals' blood. Although large marsh horsefly is not known to transmit diseases to humans, their bites can cause severe pain and allergic reactions in some individuals. Being attracted to dark moving objects and carbon dioxide, large marsh horsefly poses annoyance to outdoor activities during dusk hours.

What are the symptoms of a Large marsh horsefly bite or sting?

Initial Pain

The bite of large marsh horsefly initially causes a sharp, painful sensation. This is often more painful than typical insect bites due to the large size of the insect.

Swelling and Redness

Following a large marsh horsefly bite, redness and swelling can occur in the afflicted area. This is the body's natural reaction to the foreign substances injected by the insect during the bite.

Itching

A persistent itch often occurs after the bite, which can last for several days.

Occasional severe reactions

In rare cases, individuals may experience severe allergic reactions to large marsh horsefly bites. This might include symptoms such as difficulty breathing, rash all over the body, and lightheadedness, among others. It's important to note that the severity of the symptoms can vary depending on the individual's sensitivity and the number of bites or stings received. If you are concerned about a specific bite or sting or if symptoms persist or worsen, it is recommended to consult a healthcare professional for proper evaluation and treatment.

What are the treatments for a Large marsh horsefly bite or sting?

Clean the area

Cleaning the bite area with soap and water can reduce the chance of infection and can relieve some of the symptoms.

Cold compresses

Cold compresses or ice wrapped in cloth can be applied to the bite area to reduce swelling and soothe the itchiness.

Resist Scratching

Avoid scratching the bite area to prevent skin damage and potential secondary infections.

Medical attention

If severe allergic reaction signs occur such as difficulty breathing, widespread rash, or fainting, seek medical attention immediately. Remember, it is always best to seek advice from a healthcare professional when dealing with bites or stings, especially if you are unsure of the type of insect or the person's medical history.

How to prevent a Large marsh horsefly bite or sting?

Cover skin

Wearing long-sleeved shirts and long pants can help protect skin and reduce the chance of being bitten by large marsh horsefly.

Repellents

Using insect repellents that are recommended by public health authorities can deter horseflies from approaching.

Avoid their natural habitats

Horseflies are common in marshy, wooded areas during the summer months. Avoid these areas if possible.

Install insect screens

Insect screens on doors and windows can prevent large marsh horsefly from entering the home.

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