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Hermannia scabra (L. Koch, 1879), adult, SEM micrographs: A-anterior view; B-posterior view. Scale bars 200 μm (A), 100 μm (B).
Source publication
The topotypes (adult and juvenile instars) of the arctic oribatid mite Hermannia scabra (L. Koch, 1879) (Oribatida, Hermanniidae) from Vaygach Island (easternmost arctic Europe) were investigated and compared with those of Hermannia gigantea Sitnikova, 1975 collected from southwest Taymyr Peninsula, northern Middle Siberia, resulting in the followi...
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Citations
... scabra') by Seniczak et al. (2017b), H. reticulata by Seniczak et al. (2017a), and H. scabra (L. Koch, 1879) by Ermilov et al. (2019). In addition, some brief morphological data were presented for H. convexa (Koch, 1839), H. gibba, H. nodosa, H. reticulata andH. ...
Information on the morphological ontogeny of the majority species of the family Hermanniidae is still lacking. In this work, the ontogenetic instars of the Mediterranean species, Hermannia longisetosa Subías & Shtanchaeva, 2013 are studied, based on material from northwestern Spain. Comparative characteristics of juveniles of species belonging to different genera of Hermanniidae are given based on our own data and available literature sources, and the major characteristics of larvae and nymphs are presented. An updated family and generic diagnoses based on juveniles of Hermanniidae are proposed. At the moment, the juveniles of two genera, Hermannia and Phyllhermannia are known, which differ from one another in the pattern of cuticle plications of the gastronotum; number of solenidia on leg tarsi I and II; number of setae on palp femur; setal formula of leg IV in protonymph; and the arrangement of gastronotic setae of c-and d-series.
... Seniczak & A. Seniczak 2018;Xu et al. 2018;Yi et al. 2018). This second volume matched the first volume in size (just a few pages longer), including 5 papers on Oribatida(Bayartogtokh & Ermilov 2019a,b;Ermilov et al. 2019; S. Seniczak et al. 2019a,b), three papers on Trombidiformes(Costa et al. 2019;Seeman 2019;Xu et al. 2019) and one paper on Mesostigmata (Moraza 2019). ...
Immature mites are much less known than their adults, although they may also provide a diversity of characters and other information useful for understanding mite classification and phylogeny (Zhang et al. 2018). A recent survey of taxonomic papers published on mites from 2015 to 2017 showed that only 10% of these contained descriptions of immature stages in addition to adults and as few as 3% included data on all life stages (Liu & Zhang 2018). To address this imbalance, this series of special volumes is designed to promote studies on the ontogeny and morphological diversity in immature mites, with a special focus on the comparative morphology of all life stages. The first volume was a success and published last year (Zhang et al. 2018). It received strong support from numerous colleagues who shared the interest in ontogeny and immature mites (Bayartogtokh & Ermilov 2018; Castro et al. 2018; Gerdeman et al. 2018; Li et al. 2018; Liu & Zhang 2018; Ma et al. 2018; A. Seniczak & S. Seniczak 2018a; S. Seniczak & A. Seniczak 2018; Xu et al. 2018; Yi et al. 2018). This second volume matched the first volume in size (just a few pages longer), including 5 papers on Oribatida (Bayartogtokh & Ermilov 2019a,b; Ermilov et al. 2019; S. Seniczak et al. 2019a,b), three papers on Trombidiformes (Costa et al. 2019; Seeman 2019; Xu et al. 2019) and one paper on Mesostigmata (Moraza 2019). It is a delight to see the return of many authors form the first volume as well as some new authors. The third volume is in preparation, to accommodate some papers that missed the deadline for this volume and some new submissions. It is encouraging to see to an increasing interest in mite ontogeny here and elsewhere: e.g. the largest mite journal “Systematic and Applied Acarology” published over 100 taxonomic papers in 2018 and 15% of these provided descriptions of all life stages, including 10 papers by the Seniczak team alone (A. Seniczak & S. Seniczak 2018b; A. Seniczak A. et al. 2018a–d; S. Seniczak 2018 et al. 2018a–e).
In its traditional, paraphyletic context (sans Astigmata), oribatid mites comprise more than 11,000 known species (Subías 2022). They are largely fungivores and decomposers in organic horizons of soil and have a plesiotypic ontogeny that includes four active, free-living juvenile instars. In a taxonomically organized 2014 catalogue, we summarized literature resources concerning the 805 species for which ontogenetic data (mainly morphological) were available. Herein, we supplement that catalogue with all data known to us that were published during the intervening decade. These relate to 267 species, of which 165 were described prior to 2014. As in the 2014 catalogue, representation is strongest among: the middle-derivative hyporder Nothrina; brachypyline superfamilies that are affiliated with aquatic, semiaquatic or intertidal environments (Limnozetoidea, Ameronothroidea); some eupheredermous groups (Plateremaeoidea, Damaeoidea); and Ceratozetoidea. Also as in 2014, groups that are underreprented, based on their high known diversity, are the ptyctimous Mixonomata (Euphthiracaroidea, Phthiracaroidea) and the brachypyline superfamilies Oppioidea and Oripodoidea.
