Selangomonus undulatus Wei, Webb & Dai, 2025, gen. et sp. nov.

Selangomonus undulatus gen. et sp. nov. urn:lsid:zoobank.org:act: 4C88A533-ABB4-4A82-AB64-6E315EA61974 Fig. 12 Etymology The specific epithet name is derived from the Latin adjective ‘ undulatus, - a, - um ’ (= ‘wavy’), referring to the apically sinuate aedeagal shaft. Type material Holotype MALAYSIA • ♂; Selangor, Bangi, forest; 24 Jun.–1 Aug. 1980; M.R. Wilson leg.; BMNH. Paratypes MALAYSIA • 1 ♂, 5 ♀♀; same data as for holotype; BMNH. Description MEASUREMENTS (mm). Body length. ♂: 4.4; ♀: 4.4–4.5. COLOURATION. Colour and external features as in generic diagnosis. MALE GENITALIA. Pygofer side longer than basal width in lateral view, without processes. Subgenital plates moderately long, approximately 3 times as long as basal width, bearing 9 long uniseriate lateral macrosetae. Connective with stem short, arms divergent, approximately twice length of stem; a lightly sclerotized area on each side basally. Aedeagal shaft elongate, approximately 4 times as long as connective, evenly tapered to acute apex and sinuate distally, in lateral view; gonopore apical on dorsal surface; basal apodeme very short; preatrium long. Distribution Peninsular Malaysia. Remarks This new species can be distinguished by its moderately long subgenital plates and aedeagal shaft evenly tapered to acute apex and sinuate distally, in lateral view.