Medical Significance
Like all Latrodectus species, L. pallidus has a bite which is venomous and can injure humans. While not nearly as toxic as the bite of L. mactans or L. hasselti, the white widow's bite is medically significant and can kill children and the infirm. Toxicology studies have reported that the venom of the white widow is similar in structure to L. tredecimguttatus. However, a poster published by the Egyptian Society of Natural Toxins describes L. pallidus venom as "moderately venomous", whereas L. tredecimguttatus is described as the most venomous spider in southern Europe.
Read more about this topic: Latrodectus Pallidus
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