Marusik Yu.M.1, Azarkina G.N.2 2020. Who is Eresus tristis Kroneberg, 1875 (Aranei: Eresidae)? // Arthropoda Selecta. Vol.29. No.4: 470–474 [in English].
1 Institute for Biological Problems of the North, Portovaya Street 18, Magadan 685000, Russia. E-mail: email@example.com
2 Laboratory of Systematics of Invertebrate Animals, Institute of Systematics and Ecology of Animals, SB RAS, Frunze Street 11, Novosibirsk 630091, Russia. E-mail: firstname.lastname@example.org
ABSTRACT. The male palp of the holotype of Eresus tristis Kroneberg, 1875, a species considered a junior synonym of E. kollari Rossi, 1846, is illustrated. A comparison with the palp of E. kollari reveals clear differences, and therefore E. tristis is revalidated. The previously unknown type locality is recognized as southernmost Kazakhstan. All literature records of E. tristis are surveyed, and it seems that records from Eastern Kazakhstan and Xinjiang (China) refer to an undescribed species.
KEY WORDS: Araneae, Asia, distribution, Kazakhstan, species revalidated, spider, type locality, Xinjiang.