Both later died from the hornets ' toxins . More than 580 people have been stung to death by hornets in southern Shaanxi . More than 580 people have been stung in China 's southern China province . The Vespa killer hornet , Asian mandarinia , is world 's largest hornet and may be involved . Regional hot , dry weather and smell of people may be factors in increased hornet activity .
More than 580 people have been stung to death by hornets in southern Shaanxi . More than 580 people have been stung in China 's southern China province . The Vespa killer hornet , Asian mandarinia , is world 's largest hornet and may be involved . Regional hot , dry weather and smell of people may be factors in increased hornet activity .