The Cellar Spider in St. George, Utah

Cellar Spider Cellar spiders are one of the most ubiquitous spiders found in and around homes throughout North America. They have long, thin legs and hang upside down from flimsy webs. They’re often referred to as daddy-long-legs. One must be aware, however, this is a different creature than a daddy- or granddaddy-long-leg, which belong to…

The Common House Spider in St. George, Utah

Common House Spider The common house spider is another European native, which has become almost ubiquitous throughout North America. It’s currently known by the scientific name of Parasteatoda tepidariorum and was recently changed from the well known but equally tongue-twisting name of Achaearanea tepidariorum. Similar to the long-bodied cellar spider, it has been in North America for centuries,…

The Brown Widow Spider (Taking Another Look)

Brown Widow The brown widow spider, Latrodectus geometricus, is related to the medically important black widow spider. It’s not nearly as toxic, however, as its better-known relative. A native to either Africa (most likely) or South America (less likely), the brown widow has, for many decades, been restricted to Florida. In the first part of the…

The Brown Recluse Bite: Part 4 of 5

AS BAD AS ITS BITE? The main reason for the hoopla regarding the brown recluse is its ability to sometimes cause skin lesions from envenomations. A bite typically occurs when the spider is trapped between exposed flesh and some object, so people are typically bitten while dressing or when rolling over in bed at night.…

The Brown Recluse: Part 2 of 5

OTHER RECLUSES There are two non-native species in North America. The Mediterranean recluse is a worldwide tramp species. It has been reported in many locations around the country; however, a typical infestation is large in number yet restricted to one to several buildings. The exception is in central Washington DC, where they’re fairly common. Finding…