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Turbanov I.S.1,2*, Fomichev A.A.3,4, Levina M.A.5, Kolesnikov V.B.1 2026. The first record of Rhagodes melanopygus (Walter, 1889) (Solifugae: Rhagodidae) from Uzbekistan: genetic data, redescription, and distribution // Arthropoda Selecta. Vol.35. No.2: 182–204 [in English].

1 Papanin Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, Yaroslavl Region 152742 Russia.

2 T.I. Vyazemsky Karadag Scientific Station – Nature Reserve of the RAS – Branch of A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS, Nauki Str. 24, Theodosia 298188 Russia.

3 Altai State University, Lenina Pr., 61, Barnaul 656049 Russia.

4 Samarkand State University, University blv. 15, Samarkand 140104 Uzbekistan.

5 A.N. Severtsov Institute of Ecology and Evolution of the Russian Academy of Sciences, Leninsky Pr., 33, Moscow 119071 Russia.

*Corresponding author

Ilya Turbanov: turba13@mail.ru https://orcid.org/0000-0001-9441-2791

Alexander Fomichev: a.fomichov@mail.ru https://orcid.org/0000-0001-9268-622X

Marina Levina: m.lyovina@mail.ru; https://orcid.org/0000-0003-4786-8184

Vasiliy Kolesnikov: jukoman@yandex.ru; https://orcid.org/0000-0001-6177-7858

doi: 10.15298/arthsel.35.2.06

ABSTRACT. A camel spider, Rhagodes melanopygus (Walter, 1889) (Solifugae: Rhagodidae), discovered in the Kyzylkum Desert, is reported from Uzbekistan for the first time. Using molecular data from the mtDNA COI gene marker (DNA barcoding), phylogenetic and biogeographic relationships are demonstrated among se­veral geographically dispersed populations of this species and, to some extent, among some representatives of this family. The distribution of R. melanopygus is analyzed using literature and our own data (results are shown on the map); the find in Uzbekistan represents the northernmost record for the family Rhagodidae. An expanded diagnosis and morphological redescription of this species are presented, based on both new material and museum collections (including type specimens from Turkmenistan). The ecological features and habitat confinement of R. melanopygus are discussed. A number of nomenclatural remarks are given regarding the nomenclatural types of R. melanopygus and the synonymy of R. melanopygus nigricans Birula, 1905.

KEY WORDS: arachnids, camel spiders, genetics, COI mtDNA, Bayesian phylogenetic analysis, ecology, bio­geography, Kyzylkum Desert, nomenclature.

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