Overview of Spider Species in the United States
Cheiracanthium mildei, the northern yellow sac spider is one of the most common spiders in Northeastern America. However, it can be found throughout the entire USA. The yellow sac spider can be identified by its greenish, yellowish color. During the daytime these spiders often hide in a small blanket of web under leaves and wood, […]
The Lycosidae, commonly called wolf spiders are a family of hunter spiders found throughout the United States and the rest of the world. There are many species of the Wolf Spider in North America, many of which look very similar. Twice in the past I asked an entomologist (both times were different entomologists) to help […]
The Steatoda triangulosa, commonly called the triangulate cobweb spider is a brown-black spider found throughout the US. It has an iconic triangulate shape on its back. Steatoda triangulosa Description The most distinguishing marks on the Steatoda triangulosa are the two darker zigzag markings that run down the abdomen, which form a set of triangular shapes […]
The Steatoda bipunctata, commonly called rabbit hutch spider is a black spider found throughout the United States. It comes from the same family as the feared black widow spiders and is often confused with them. The bite of a rabbit hutch spider is not dangerous for humans. It is from the same genus as the […]
Castianeira descripta, more commonly know as the red-spotted ant mimic spider gets its common name from the similar look and behavior to ants. It mimics the behavior of ants to get close enough to them for an attack. Red-Spotted Ant Mimic Spider Description The Red Spotted Ant Mimic Spider is a hunter spider. That means […]
The Pachygnatha is technically part of the Orb Weaver family. However, it does not spin a web and is a wandering hunter in the likes of the Wolf Spider. I cannot help but to think of this as the oxymoron of the spider world. Pachygnatha Description The spiders of the pachygnatha genus have a very […]
Spiders of the genus Clubiona, commonly called leaf-curling sac spiders, can be found throughout the world and in every US state. Clubiona Description Clubiona spiders usually have light-brown legs and cephalothorax and a slightly darker abdomen. Their legs and head may even appear transparent at times due to the light color. Bite As with any […]
Spiders of the Xysticus genus, also called ground crab spiders are a rather indistinct species. As all crab spiders, they look similar to crabs. The brownish coloring, along with the splotchy pattern is optimal for blending in with its natural habitat than to stand out. Depending on the species of the ground crab spider, the […]
Agelenopsis, American grass spiders, are a genus of spiders that can be found around the world and in every US state. They are some of the fastest spiders in the United States and can be fun just to watch if you can trigger the web right. Using a long piece of a weed or grass, […]
Larinioides Cornutus, commonly known as the furrow spider, is an orb weaver species that can be found throughout the Northern Hemisphere and in every US state. They are often found near human constructions, like porches, but are not dangerous for humans. Larinioides Cornutus Description The abdomen of the Furrow Spider is nearly twice the size […]
