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Taxonomy of the Cryptopygus complex. IV. Cyclomorphosis in three species of Appendisotoma and description of a new species from Kazakhstan (Collembola, Isotomidae)

Year: 2026
Type: dataset
Abstract: This dataset contains the digitized treatments in Plazi based on the original journal article Potapov, Mikhail, Babenko, Anatoly, Bu, Yun, Bayartogtokh, Badamdorj, Gulgenova, Ayuna, Luan, Yun-Xia (2024): Taxonomy of the Cryptopygus complex. IV. Cyclomorphosis in three species of Appendisotoma and description of a new species from Kazakhstan (Collembola, Isotomidae). Zootaxa 5453 (4): 487-510, DOI: 10.11646/zootaxa.5453.4.2, URL: http://dx.doi.org/10.11646/zootaxa.5453.4.2 Abstract Appendisotoma bisetosa Martynova, 1970, A. stebayevae (Grinbergs, 1962) and A. sibirica Stebayeva, 1985 are redescribed based on the material from Palaearctic region. Seasonal cyclomorphosis of the three species is distinguished. The winter form is armed with apical lobe on dens, chitinized furca and larger ocelli. Tenaculum, tenent hairs, and pigmentation can also be affected by cyclomorphosis. Dimorphism of species of Appendisotoma resembles that of several species of Proisotoma s. str. Appendisotoma monomorpha sp. nov. is described from Kazakhstan, taxonomic remarks are given to A. absoloni Rusek, 1966 and A. abiskoensis (Agrell, 1939).
DOI: 10.15468/pstp4p
Authors: Mikhail Potapov, Anatoly Babenko, Yun Bu, Badamdorj Bayartogtokh, Ayuna Gulgenova, Yun-Xia Luan
Institutions: Moscow State Pedagogical University, Russian Academy of Sciences, Severtsov Institute of Ecology and Evolution, Shanghai Science and Technology Museum, National University of Mongolia, Buryat State University, South China Normal University, Key Laboratory of Guangdong Province
Language: English
Open Access status: green
OpenAlex ID: W7212192608
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