The female and male of a new species, Brachytydeus elongatus sp. nov., are described from leaves of common reed (Phragmites australis) in Tyumen Oblast of Russia. Brachytydeus obnoxius (Kuznetsov and Zapletina) is recorded from Russia for the first time; B. inconstans (Kaźmierski) and B. ferulus (Baker) are recorded from Western Siberia for the first time. An unusual type of secondary sexual dimorphism in Brachytydeus elongatus sp. nov. is discussed.
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9 August 2023
New data to the fauna of Tydeidae (Acari: Prostigmata) of Western Siberia, Russia with discovery of secondary sexual dimorphism
Alexander A. Khaustov
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Systematic and Applied Acarology
Vol. 28 • No. 8
August 2023
Vol. 28 • No. 8
August 2023
morphology
sexual dimorphism
systematics
Tydeoidea
Tyumen Oblast