28, see text Achaearanea is a genus of comb-footed spiders that was first described by Embrik Strand in 1929.

[2] It used to include the extremely abundant common house spider, which was transferred to genus Parasteatoda in 2006, together with many other species.

[4] This genus includes small and large theridiids.

Their web is an irregular network of threads, usually in a sheltered place.

[3] As of May 2020[update] it contains twenty-eight species, found in Central America, South America, Asia, Africa, Australia, on the Canary Islands, and in Puerto Rico:[1] In synonymy: Nomen dubium