New data on Dysderoidea (Arachnida: Araneae) of the Pamir Mountains, Tajikistan.

Two new species of two dysderoid families are described based on specimens collected from the Pamir Mountains in Tajikistan: the dysderid Dysdera bartang sp. n. (male) and the segestriid Segestria pamirica sp.

A survey of the Sumatran Ctenidae (Araneae). 3. Amauropelma mariae sp. n., one of the tiniest species of the genus.

A new species, Amauropelma mariae sp. n., is described from Sumatra Island (Indonesia) on the basis of both sexes.

A survey of the Sumatran Ctenidae (Araneae). 4. A new species of Acantheis Thorell, 1891 with unique copulatory organs morphology.

A new species, Acantheis kazantsevae sp. nov., is described from Sumatra Island (Indonesia) on the basis of both sexes.

New and poorly known species of Bowie Jäger, 2022 (Araneae: Ctenidae) from Southeast Asia.

Three new species, B. catopuma sp. nov.

New taxonomic and faunistic data on Liocranidae (Arachnida: Araneae) of West Palaearctic), with nine new species of Mesiotelus Simon, 1897.

New taxonomic data and distribution records on liocranid spiders in the West Palaearctic are provided. Nine species of Mesiotelus Simon, 1897 are described as new to science: M. alanyensis Zamani, Fomichev, Kaya & Marusik, sp.