![]() ![]() If wet, immediate redness will most likely develop around the bite which generally goes away within a few hours and, for the first 24 hours, doesn’t look like anything more than a mosquito bite but may feel warm in temperature. If dry (meaning no venom was released), the bite should not be serious. The severity of the bite depends highly on whether it is a dry or wet bite. They are also found in homes which gave them the common name of “aggressive house spider” and may be hidden in window wells and sills, dark basements, between objects, or in other protected and undisturbed areas. They prefer the outdoors and may be found in fields, around brush, wood piles, rock piles, foundation gaps, or other areas that give them adequate shelter. Hobos are very fast but are not climbers and therefore aren’t often found above ground-level. Since they look similar to several other types of spiders, a distinguishing factor is that they DO NOT have bands or rings around their legs. ![]() Their abdomen is grey with yellow markings which is often difficult to spot without magnification. ![]() Varying in size but never more than two inches long, they have a brown cephalothorax (the body part above the abdomen that the legs are connected to) with darker brown markings. They are part of the funnel web spider family which means they have long legs and make funnel or cone-shaped, non-sticky webs. Get more information on the black widow here. The first symptoms occur within 20 minutes to an hour after the bite: there tends to be local pain in the area of the bite followed by general muscle cramps and spasms, abdominal pain, chest pain, weakness, tremor, as well as possible stiffness, chills, nausea, dizziness, fever, difficulty breathing, and/or an increase in blood pressure and heart rate. The center of the bite may be light red with some darker red around that. When first bitten, there may be two small holes from the fangs. The bite can cause severe effects to humans since it alters the victim’s nervous system. Being nocturnal creatures, they are most active at night and can be found in dark corners and crevices especially in garages, sheds, or other areas on the near the exterior of a home. The females also eat the males (which are typically half the size of females) after mating which gives them their name. Only female black widows bite and it is typically when they are disturbed or protecting their eggs. Known for their distinctive appearance, females are typically about half an inch long, shiny black with a large globular abdomen and a red hourglass on their underside. The black widow is considered the most venomous spider in Utah as well as all of North America. ![]()
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