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31 January 2018 Ontogeny of morphological traits in Eupelops variatus (Mihelčič, 1957), with remarks on juveniles of Phenopelopidae (Acari: Oribatida)
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Abstract

Juvenile instars of oribatid mites of the family Phenopelopidae are well known compared to most other families, however, information on the morphological ontogeny of the majority of species is still insufficient or unknown. Comparative characteristics of immatures of species of Phenopelopidae are given based on our own data and available literature sources. The major characteristics of immature instars of 11 species are presented, and the morphological ontogeny of Eupelops variatus (Mihelčič, 1957) is investigated based on material from southern Europe. From these studies, it can be generalized that the juvenile morphologies of phenopelopid genera are quite similar and uniform. The juveniles have plicate integument, marginally flattened opisthonotum, and short gastronotic setae c1, c3 and of the d-series. The juveniles of the phenopelopid species differ from one another in morphological characters such as body size, development of the prodorsal ridges, lamellar, interlamellar as well as gastronotic setae of c2, lp and h-series either in larva or nymphs, and all these characters have species-specific value.

© Systematic & Applied Acarology Society
Badamdorj Bayartogtokh, Sergey G. Ermilov, Umukusum Ya. Shtanchaeva, and Luis S. Subías "Ontogeny of morphological traits in Eupelops variatus (Mihelčič, 1957), with remarks on juveniles of Phenopelopidae (Acari: Oribatida) ," Systematic and Applied Acarology 23(1), 161-177, (31 January 2018). https://doi.org/10.11158/saa.23.1.13
Received: 16 October 2017; Accepted: 6 December 2017; Published: 31 January 2018
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