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Most of these early segmented fossil spiders from the Coal Measures of Europe and North America probably belonged to the Mesothelae, or something very similar, a group of spiders with the spinnerets placed underneath the middle of the abdomen, rather than at the end as in modern spiders. They were probably ground-dwelling predators, living in ...
Maevia intermedia is one of eight species of Salticidae, or jumping spider, in the genus Maevia, and is native to North America. [1] This species was originally reported by American Zoologist Robert D. Barnes in 1955 as a needed distinguishment between the similar-looking Maevia species, especially those found in the Americas.
This category contains articles about spiders that have a North American native distribution, rather than being limited to particular regions or countries in North America. (Hawaii and other Pacific islands belonging politically to the United States are placed in Category:Spiders of Oceania .)
Baby spiders pass all their larval stages inside the egg sac and emerge as spiderlings, very small and sexually immature but similar in shape to adults. Some spiders care for their young, for example a wolf spider's brood clings to rough bristles on the mother's back, [13] and females of some species respond to the "begging" behaviour of their ...
Mastophora hutchinsoni, also known as the American bolas spider, is a species of orb weaver in the genus Mastophora. The genus is distributed extensively throughout various subtropical geographical areas including Australia, South Africa, Oriental Asia, and the Americas and is not found in Europe.
With so many kinds of eight-legged bugs running around (nearly 3,000 species in North America alone!), the most common house spiders are bound to pop up in your abode from time to time. And with ...
Agelenopsis, commonly known as the American grass spiders, is a genus of funnel weavers described by C.G. Giebel in 1869. [1] They weave sheet webs that have a funnel shelter on one edge. The web is not sticky, but these spiders make up for that by running very rapidly. The larger specimens (depending on species) can grow to about 19 mm in body ...
Female Joro spiders are brightly-colored and its adult body can be more than an inch-long with a four-inch leg span. Male Joro spiders are brown, and grow to about a quarter of an inch.