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Web of fear Bite from Noble False Widow spider commonly found in Ireland can require hospital treatment

Bite symptoms can range from mild swelling to intense pain, with some experiencing swelling which can last days.

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Spider bites from noble false widows can be so severe that it requires hospital treatment, a new study has revealed (Photo: PA/Buglife)

Spider bites from noble false widows can be so severe that it requires hospital treatment, a new study has revealed (Photo: PA/Buglife)

Spider bites from noble false widows can be so severe that it requires hospital treatment, a new study has revealed (Photo: PA/Buglife)

A bite from one of the most common species of spider in Ireland may require hospital treatment, it has been revealed.

Scientists in NUI Galway have spent several years studying the Noble False Widow spider and have discovered bite symptoms are similar to those caused by the Black Widow spider, a spider that can cause painful venomous bites.

Researchers found that 111 toxins out of 140 in the Noble False Widow's venom were common with the Black Widow.

The Noble False Widow is originally thought to have derived from the Canary Island and Madeira, originally popping up in Ireland in the late 1990s. It has spread worldwide over the past two decades.

It is thought that a genetic mutation allowed the species to adapt to new environments.

Bites from the insect are becoming more prevalent in Ireland, with some people needing hospital treatment.

Symptoms can range from mild swelling to intense pain, with some experiencing swelling which can last days.

Bites from the spider in some cases resulted limb stiffness, and in rare cases patients were treated for minor wounds and bacterial infections.

Noble False Widow bites usually occur in the home, particularly when people are sleeping or the spider has been trapped in clothes.

The findings were published in the Journal of Clinical Toxicology.

The researchers have successfully established a DNA database to allow doctors to identify future False Noble Widow spider bites.

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