Walckenaeria ferruginea Seo, 1991: 36, figs 1–6 (♂).
Walckenaeria ferruginea: Song & Li 2011: 184, figs 6A–G, 7A–G (♂ ♀).
For the complete list of taxonomic references see WSC (2024).
Material examined. 2♂ (ZMMU), CHINA: Liaoning Prov., env. of Fengcheng City, Mt. Phoenix, ca 40°23’N, 124°05’E, 280–550 m a.s.l., 16–18.X.2017, Y.M. Marusik leg.
Remarks. This species is very similar to W. orientalis (Oliger, 1985), known from the Russian Far-East. The differences between the species are described in details by Song and Li (2011: 184). Our two males somewhat differ from a specimen from Qingyuan County, Liaoning Prov., China depicted by Song and Li (2011) in that their embolus is somewhat longer, makes a short loop, vs straight.
Distribution. Originally described from Korea (Seo 1991), in China known from Liaoning (Song & Li 2011) and Jilin provinces (Li & Lin 2016).