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Steatoda borealis

Steatoda borealis, a spider species that belongs to the genus Steatoda is one of the members family of Theridiidae. In United States, they are found east of the Rocky Mountains as well as in Alaska. Many spiders in the genus Steatoda are frequently misidentified as widow spiders and are dubbed “false black widows”. And even […]

Peucetia viridans – Green Lynx Spider

Peucetia viridans, commonly known as the green lynx spider, is a large bright green spider found on many kinds of shrub-like plants throughout the southern United States. Outside the United States, they are also found in Mexico, Central America, and the West Indies. Quick Overview: Peucetia viridans – Green Lynx SpiderMedically significant: NoBody size: 0.63”-0.47” […]

Neoscona domiciliorum – Red-femured Spotted Orbweaver

Commonly known as Red-femured spotted orb weaver or spotted orb weaver, these spiders are in the family of Araneidae which has a Latin name of Neoscana domiciliorum. These spiders are known to be beneficial in consuming a variety of insects. They are also nocturnal. Quick Overview: Neoscona domiciliorum – Red-femured Spotted Orbweaver Medically significant: NoBody […]

Argiope appensa – Hawaiian Argiope

Argiope appensa is an orb-weaving spider, commonly known as Hawaiian Argiope. They are native to islands around the Pacific Ocean, especially Indonesia, Taiwan and Australia. Through ship trade, the have also been introduced to the islands of Hawaii where they are a common sight. These spiders inhabit a wide variety of habitats. During the rainy […]

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 […]

Platycryptus Undatus – Tan Jumping Spider

The tan jumping spider is a mostly black and gray jumping spider found in the Eastern United States. The can reach a maximum body size of 0.5 in (13 mm) and have a light-colored chevron-pattern on their back. Male individuals have a horizontal orange stripe under their eyes. Description of the tan jumping spider The […]

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 […]

Metaltella Simoni – Hacklemesh Weaver

Metaltella simoni is a spider species that is commonly often referred to as hacklemesh weaver. This may lead to confusion with some spiders of the genus Amaurobius which are also referred to as hacklemesh weavers and often have a similar appearance. Therefore, we will restrict to the usage of the specific name in this guide which […]

Scotophaeus Blackwalli – Mouse Spider

Scotophaeus blackwalli, the mouse spider is a ground spider that is common in Central and Northern Europe and the Western United States. The spider is not of medical significance and should not be confused with the venomous mouse spiders found in Australia of the genus Missulena. Description of the mouse spider The mouse spider is […]

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