The types of Phasmatodea (= Phasmida) deposited in the Eidgenössisches Technisches Hochschulzentrum, Zürich, Switzerland (ETHZ) Author Hennemann, Frank H. Author Conle, Oskar V. Author Brock, Paul D. 0000-0003-0590-0414 Department of Life Sciences, The Natural History Museum, Cromwell Road, London, SW 7 5 BD, U. K. pauldbrock @ btinternet. com; https: // orcid. org / 0000 - 0003 - 0590 - 0414; Website: http: // Phasmida. SpeciesFile. org pauldbrock@btinternet.com text Zootaxa 2023 2023-05-04 5278 1 176 188 http://dx.doi.org/10.11646/zootaxa.5278.1.10 journal article 54386 10.11646/zootaxa.5278.1.10 6ed2a241-f185-4bcf-8e9d-c952219b650b 1175-5326 7894794 0C97A42F-1155-4690-8C61-B403AF8B6CEB arietinus Redtenbacher 1906: 51 [ Datames ]. PLT , : Siak, Sumatra, (Bluntschli); Brunner v. W. et Redtenbacher det. 1903; Dat. mitratus Redt. Comment: Whilst labelled ‘ mitratus ’, Redtenbacher included this specimen as part of the type series of Datames arietinus . The LT is in NMW (No. 49); PLT in NMW and MSNG Valid name: Pylaemenes mitratus ( Redtenbacher, 1906 )