A review of the pseudoscorpion family Ideoroncidae in the Asian region reveals three genera: Dhanus Chamberlin, 1930, Shravana Chamberlin, 1930 and a new genus. Dhanus includes four species, D. sumatranus (Redikorzev, 1922), D. hashimi sp. nov. and D. tioman sp. nov. from Malaysia, and D. lunaris sp. nov. from Cambodia. Dhanus doveri Bristowe, 1952 is newly synonymized with D. sumatranus, and the type locality of D. sumatranus is confirmed as the Dark Cave, in the Batu Cave system, near Kuala Lumpur. Shravana is confirmed as a senior synonym of Nhatrangia Redikorzev, 1938 and includes 13 species: S. laminata (With, 1906) and S. schwendingeri sp. nov., from Thailand, S. charas sp. nov. and S. withi sp. nov. from Malaysia, S. dawydoffi (Redikorzev, 1938), comb. nov. (transferred from Nhatrangia) from Cambodia, Laos, Vietnam and the Spratly Islands, S. indica (Murthy & Ananthakrishnan, 1977), comb. nov. (transferred from Dhanus) from India, S. ceylonensis (Mahnert, 1984), comb. nov. (transferred from Nhatrangia) from Sri Lanka, S. afghanica (Beier, 1959), comb. nov. (transferred from Dhanus) and S. magnifica sp. nov. from Afghanistan, S. latens sp. nov. from Iran, and S. pohli (Mahnert, 2007), comb. nov. (transferred from Dhanus), S. socotraensis (Mahnert, 2007), comb. nov. (transferred from Dhanus), and S. taitii (Mahnert, 2007), comb. nov. (transferred from Dhanus) from Socotra. A new genus, Sironcus, is described for the type species Ideobisium (Ideoroncus) siamensis With, 1906 from Thailand and five new species, S. rhiodontus sp. nov. and S. stonei sp. nov. from Thailand, S. sierwaldae sp. nov. from Thailand and Myanmar, S. jerai sp. nov. from northern peninsular Malaysia and S. belaga sp. nov. from Sarawak.
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Vol. 44 • No. 3