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Thorell, 1869. Diversity. 19 genera, 337 species. Uloboridae is a family of non- venomous spiders, known as cribellate orb weavers or hackled orb weavers. Their lack of venom glands is a secondarily evolved trait. Instead, they wrap their prey thoroughly in silk, cover it in regurgitated digestive enzymes, and then ingest the liquified body.
Tangle-web spiders. One genus of the tangle web spiders has venom which is known to be medically significant. This genus, the widow spiders of genus Latrodectus, has caused human fatalities. The other genus, Steatoda, the false widow spiders, have bites that can cause pain and erythema but only around 30% of bites lead to systemic symptoms.
Mygale muritelaria. Filistata tractans. Filistata capito. The southern house spider is a species of large spider in the family Filistatidae. Currently given the scientific name Kukulcania hibernalis, it was formerly known as Filistata hibernalis. Found in the Americas, it exhibits strong sexual dimorphism. It lives in the southern states of the ...
Unless provoked, spiders don't usually bite, but here are a few non-venomous and venomous spiders to look out for in the Memphis area this summer. And what you should know about them. Black Widows
Genus: Ctenus. Species: C. hibernalis. Binomial name. Ctenus hibernalis. Hentz, 1844. Ctenus hibernalis, or the Alabama wandering spider, is a species of wandering spider in the family Ctenidae. It is found in the United States, almost exclusively within the state of Alabama.
Trichonephila clavipes (formerly known as Nephila clavipes), commonly known as the golden silk orb-weaver, golden silk spider, golden orb weaver spider or colloquially banana spider (a name shared with several others), is an orb-weaving spider species which inhabits forests and wooded areas ranging from the southern US to Argentina. [3]
Pisaurina mira. (Walckenaer, 1837) [1] Pisaurina mira, also known as the American nursery web spider, due to the web it raises young in, is a species of spider in the family Pisauridae. They are often mistaken for wolf spiders (Lycosidae) due to their physical resemblance. P. mira is distinguished by its unique eye arrangement of two rows.
Myrmekiaphila is a genus of North American mygalomorph trapdoor spiders in the family Euctenizidae, and was first described by G. F. Atkinson in 1886. [2] All described species are endemic to the southeastern United States. Originally placed with the Ctenizidae, it was moved to the wafer trapdoor spiders in 1985, [3] then to the Euctenizidae in ...