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Bug Bites


Bug Bite Identification Help

Use the pictures and information below to help you identify bug bites and stings.

Ant Bite

Ant Bites


Sting Appearance: Redness & swelling

Sting Symptoms: Moderate pain. Allergic reactions: sneezing, wheezing, hives, nausea, vomiting, diarrhea, sudden anxiety, dizziness, difficulty breathing, chest tightness, itching or swelling of the face.

Notes: While not always the case, a person who is highly allergic to wasp and bee stings may be highly allergic to ant stings. This is a general overview of ant stings & bites. See also carpenter ants, fire ants, and harvester ants.

Bed Bug Bite

Bed Bugs

Bite Appearance: Red welts (small, flat or raised), swelling, red rash, or bites can appear in tight lines of multiple, small, red marks.

Bite Symptoms: Initial burning sensation, itching, it is possible to have no reactions, and bite goes unseen.

Notes: May go unnoticed for a few days. One bug may bite multiple times. Read more about bed bug bites.

Bed Bug Bite
Blister Beetle Bite

Blister Beetle

Blister Beetle Bite

Bite Appearance: Blisters or welts caused by a chemical called cantharidin.

Bite Symptoms: Occurs within a few hours of contact and no lasting skin damage.

Notes: Do not crush blister beetles on skin, instead gently remove them. Read more about blister beetle bites.

Brown Recluse Spider Bite

Brown Recluse Spiders

Bite Appearance: Reddening, swelling, and blister may appear at the bite site.

Bite Symptoms: Mild skin irritation or itching, skin lesions, fever, convulsions, nausea and muscle pain.

Notes: Fatalities have never been verified. Deep scarring can occur if left untreated. Read more about brown recluse bites.

Brown Recluse Spider Bite
Fire Ant Bite

Fire Ant Bite

Fire Ants

Sting Appearance: Red welts or lumps, semi circular pattern for multiple stings, and becomes a blister.

Sting Symptoms: Burning, stinging sensation.

Notes: One ant may sting multiple times. Read more about fire ant stings.


Flea Bite

Bite Appearance: Red spots surrounded by reddened halos, often found on legs and feet.

Bite Symptoms: Very itchy.

Notes: Contact doctor immediately if bite wounds excrete pus. Read more about flea bites.

Flea Bite
Horsefly Bite

Horsefly Bite


Bite Appearance: Bleeding (horsefly feeds on the blood) and reddish bump.

Bite Symptoms: Painful bites, soreness, and itchiness.

Notes: Aggressive biters. Possibility of infection if not treated with antibacterial medications. Read more about horsefly bites.


Lice Bites

Bite Appearance: Bites in pubic hair, armpit, or eyebrow. Bluish-grey skin reactions sores and a small red bump.

Bite Symptoms: Itching that often gets worse at night. Tiny white eggs called nits may be found in hair

Notes: Itching may start soon after getting bitten or it may not start for up to 2-4 weeks after contact. Read more about lice bites, including head lice and body lice.

Lice Bite

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