However, if an individual is bit by a black widow spider or brown recluse, immediate medical attention is necessary.

The Mayo Clinic recommends that people seek medical attention immediately if they are bitten by black widow or recluse spider.

If you are bit by a brown recluse, you will feel a mild stinging followed by intense pain and localized redness within eight hours.

Necrotic syndrome (recluse spider): local tissue lesions, possible necrosis and ulceration; mild general signs (fever, chills, malaise and vomiting) which usually resolve over a few days.

Black widow spider can be identified by the mark hourglass on her belly while the brown recluse spider contains a violin-shaped mark on its back.

For most individuals with spider bites, including brown recluse and black widow spider bites, the following treatment measures are all that’s needed:

For most people with spider bites, including black widow and brown recluse spider bites, the following treatment measures are all that's required:

Antivenin* is available for black widow and brown recluse spider bites but should be given as soon as possible after the bite.

The venom of a brown recluse spider is highly toxic, even more so than rattle snakes; however, the amount of venom delivered to their victims is much smaller.

If a brown recluse spider is confirmed as the cause, the doctor may recommend a tetanus booster if a person has not received one in the last 5 years.

If you believe that you have found a specimen of a brown recluse spider in California, please contact the Bohart Museum of Entomology ([email protected]) or call them at (530)752-5373.

The brown recluse spider — a tiny oval brown spider with a small shape like a violin on its back — is found mostly in midwestern and southern parts of the United States.

The brown recluse spider (a small brown spider with a small violin-shaped mark on its back - see here) is found primarily in the midwest and south.

The brown recluse spider — a tiny oval brown spider with a small shape like a violin on its back — is found mostly in Midwestern and Southern parts of the United States but can be found throughout the US.

The brown recluse spider — a tiny oval brown spider with a small shape like a violin on its back — is found mostly in Midwestern and Southern parts of the United States.