"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.
Logunov D V, Marusik YM (2003) A revision of the genus Yllenus Simon, 1868 (Arachnida, Araneae, Salticidae). KMK Scientific Press Moscow, 168 pp
Mikhailov K G (2013) The spiders (Arachnida: Aranei) of Russia and adjacent countries: a non-annotated checklist. Arthropoda Selecta, Supplement 3: 1-262
WSC (2023) World Spider Catalog. Version 24.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (25.10.2023) doi: 10.24436/2