Each season, female brown widow spiders lay several egg sacs, each with 120 to 150 eggs. The egg sacs are distinctive, with silky spikes projecting from the surface, much like a thistle.

The brown widow spider (Latrodectus geometricus) is a lesser-known relative of the infamous black widow. The first brown widow spider was discovered in Los Angeles in early 2000. A member of the ...

The brown widow spider may sound like someone confusing other venomous spiders like the black widow or brown recluse. Despite the confusion, the brown recluse spider is real and, for people who ...

How to Identify Brown Widow Spiders Brown widows are slightly smaller than black widow spiders , with females measuring about half an inch (1.3 centimeters) in body length.

Spiders are some of the most diverse creatures on Earth. While they can be frightening, most of them are harmless and ...

No wonder they’re called widow spiders. To get sex with an older female, a male might fight off many rivals or perform courtship gestures for up to six hours. At the magical moment, he’d place ...

Fortunately, fatalities are fairly rare; the spiders are nonaggressive and bite only in self-defense, such as when someone accidentally sits on them. The animals most at risk from the black widow' ...

In the past couple decades, researchers have noticed black widow spiders (adult female shown at right) commonly being displaced by the brown widow (adult female at left), a fellow species in the ...

There are six species of false widow spiders that live in the UK (Steatoda nobilis, Steatoda grossa, Steatoda bipunctata, Steatoda albomaculata, Steatoda triangulosa and Asagena phalerata). They are ...

Every autumn there are reports of false widow spiders becoming uninvited eight-legged houseguests in homes across the UK. But despite looking similar to the more dangerous black widows, all these ...