Abstract
A total of 23 uropodine species of the genus Trachytes (Acari, Mesostigmata) are reliably recorded to occur in Central Europe and included in identification keys for adults (23 spp.) and deutonymphal stages (9 spp.), respectively. For the first time, the diagnostic characters of deutonymphs of the species T. baloghi, T. minima, T. minimasimilis, T. mystacinus and T. splendida are figured. Ten species found in Slovakia are redescribed (T. aegrota, T. baloghi, T. hirschmanni, T. irenae, T. lamda, T. minima, T. minimasimilis, T. mystacinus, T. pauperior and T. splendida) and characterised by their external morphology, geographic distribution and ecological requirements in terms of habitat preference, affinity to merocoenoses and vertical distribution. The zoogeographic origin of Trachytes is analysed. Most species are found only in woodlands and have not been recorded in the distribution area of the Pannonian flora in Central Europe (except for T. aegrota and T. baloghi). Short taxonomic remarks are given for the species of dubious taxonomic status or whose occurrence is not reliably known.
Highlights
There are up to 30 species of uropodine mites of the genus Trachytes Michael, 1894 described from Europe, of which 23 species are known from Central European countries including Germany, Czech Republic, Austria, Poland, Slovakia, Hungary, Ukraine and Romania (Table 1)
Species of Trachytes make up the largest portion of the species in the Uropodina cohort living in the zooedaphon of forest habitats
Among the Trachytes species occurring in Slova kia, only the distribution area of T. baloghi overlaps that of the Pannonian flora in South Slovakia (Fig. 32)
Summary
There are up to 30 species of uropodine mites of the genus Trachytes Michael, 1894 described from Europe, of which 23 species are known from Central European countries including Germany, Czech Republic, Austria, Poland, Slovakia, Hungary, Ukraine and Romania (Table 1). This area is larger than Central Europe as convention ally defined. The identification keys of Hirschmann & Zirngiebl-Nicol (1965) included 13 spe cies from the central part of Europe and the key to the fauna of the former Soviet Union (Kadite & Petrova, 1977), which included West European species, included 15 species. Morphological terms and pattern of chaetotaxy (Fig. 1) used in this paper follow Hirschmann & Zirngiebl-Nicol (1965, 1969)
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