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Anelosimus studiosus is a subsocial tangle web spider or theridiid spider living in both North America and South America. In 2012, genetic analysis revealed a previously identified species, A. tungurahua, is in fact the same species as A. studiosus.

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Brigittea civica is spider species found in Europe, North Africa, Turkey and North America.

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Dictyna foliacea is a species of mesh web weaver in the family Dictynidae. It is found in the USA and Canada.

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Emblyna sublata is a species of mesh web weaver in the spider family Dictynidae. It is found in the United States.

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Ero leonina is a species of pirate spider in the family Mimetidae. It is found in the United States.

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Euryopis funebris is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.

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Gea heptagon is a species of orb weaver spiders in the family Araneidae. It is found in PacificIslands, Australia, and a range from has been introduced into United States to Argentina.

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Hentziectypus globosus is a species of cobweb spider in the family Theridiidae. It is found in North America.

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Kaira alba, the pale frilled orbweaver, is a species of orb weaver in the family Araneidae. It is found in the USA and Mexico.

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Micrathena mitrata, the white micrathena, is a species of orb weaver in the spider family Araneidae. It is found in a range from the United States to Brazil.

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Neospintharus trigonum is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.

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Spintharus flavidus is a species of cobweb spider in the family Theridiidae. It is found in USA; Central and South America: misidentified.

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Steatoda borealis is a species of cobweb spider in the family Theridiidae. It is found in the United States and Canada.

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Tetragnatha laboriosa, the silver longjawed orbweaver, is a species of long-jawed orb weaver in the spider family Tetragnathidae. It is found in North and Central America.

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Theridion frondeum is a species of cobweb spider in the family Theridiidae. It is found in the United States and Bahama Islands.