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Castianeira Longipalpa – Long-Palped Ant Mimic Sac Spider

Castianeira longipalpa, sometimeys referred to as the long-palped ant mimic sac spider is found along the Eastern United States as well as in the Pacific Northwest. The small black spider with at least four white lines along its abdomen is not medically significant. Castianeira longipalpa is often confused with its close relative, Long-Palped Ant Mimic […]

Enoplognatha Ovata – Candy-Striped Spider

Candy-striped spider is not only one of the coolest names for a spider – it also looks great. This spider, which goes by the scientific name of Enoplognatha ovata, is part of the cobweb spider family and has been introduced to the United States and Canada from Europe. Over the last years, its populations have […]

Frontinella Pyramitela – Bowl and Doily Spider

The bowl and doily spiders, known as Frontinella pyramitela, are a small species of spiders that belong to the family of Linyphiidae. The common name of these spiders comes from its peculiar webs that have a bowl shape with a sheet-web or blanket (doily) beneath it. Like other sheet web weavers, Frotinella pyramitela spiders can […]

Micrathena gracilis – Spined Micrathena

Micrathena gracilis, commonly known as spined micrathena, is one of the spiny orb weaver spiders. The spiny body serves to protect them from birds, lizards or other predators. The hard spines should hurt predators when dealing a bite. These easy to recognize, unobtrusive forest denizens are abundant throughout the Eastern United States and especially common […]

Micrathena mitrata – White Micrathena

The spider species Micrathena mitrata, commonly called white micrathena, is an orb weaving spider. They have a large bulbous white abdomen with spines and black markings and are found throughout the Eastern United States as well as Central and South America. Description The white micrathena has a brown and small cephalothorax (head) and legs and […]

Verrucosa Arenata – Arrowhead Spider

The arrow-head spider, Verrucosa arenata, is an orb-weaver spider found throughout the United States. Its common name arrowhead spider or triangle orb weaver comes from the triangle-shaped yellow or white coloration on the spiders’ abdomen. Arrow-Shaped Orbweaver Description Verrucosa arenata are generally easy to distinguish from similar orb weavers because of their special color pattern and […]

Eratigena Atrica – Giant House Spider

As its name suggests, the giant house spider, Eratigena atrica, is one of the largest spiders found in Europe and the United States. The species is originally from Europe and was introduced to the Western United States over 100 years ago. It has now developed large populations in the Pacific Northwest and in the Great […]

Gray House Spider – Badumna Longinqua

The gray house spider, Badmuna longinqua, is a medium sized black and gray spider originally native to Australia. It has been introduced to New Zealand, South America, Europe, South Africa and the United States. Despite the reputation of Australian spiders, the grey house spider is harmless for humans and larger pets. Due to its secretive […]

Aphonopelma Eutylenum – California Ebony Tarantula

Aphonopelma eutylenum, the California ebony tarantula is a large spider that can be found in California and its surrounding states including Northwestern Mexico. Mostly, they are found in the grassy areas around the Eastern region of the San Francisco Bay Area down to San Diego. As many other spiders, the California ebony tarantula is a […]

Scytodes Thoracica – Spitting Spider

The spitting spider, scientifically called Scytodaes thoracica, is a fascinating type of hunting spider that captures and paralyzes its prey with sticky venomous silk strands that it shoots from its head. The spitting spider occurs throughout the world and can be found in every U.S. State. Spitting Spider Description The spitting spider has a very […]

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