A bug bite that looks like a bruise can come from spiders, hornets, wasps, mosquitos, and ticks. While red marks, welts, and itching are the most common symptoms of insect bites, bruising can also ...

Hobo spider season is approaching, but scientists and doctors are advising people not to freak out. "You should be cautious, but we don't have to panic," said Helen Atthowe, a horticulturist at the ...