Oribatid mites of the family Astegistidae (Acari: Oribatida) in Mongolia

Abstract

The oribatid mite family Astegistidae is represented in Mongolia by four species in two genera. A new species, Cultroribula taigagica sp. nov., collected from cool temperate forests in Northern Mongolia is described based on adults. In addition, three known species, Astegistes pilosus (C.L. Koch, 1840), Cultroribula dentata Willmann, 1950 and Cultroribula vtorovi Krivolutsly, 1971 are recorded for the first time from Mongolia, which are redescribed along with data on their distribution and ecology. A key to Mongolian species of Astegistidae is given.

The genus Cultroribula (Acari: Oribatida: Astegistidae) in Mongolia, with new findings from Altai Mountains and remarks on known species of the world

“…Remarks. The features of the specimens from Mongolia agree well with those of the specimens from Kyrgyzstan as described by Krivolutsky (1971), and redescribed by Bayartogtokh (2007). The only differences are the relatively shorter interlamellar seta in the present material, more sharply projected humeral process and presence of six pairs of genital setae rather than five pairs in the previously studied specimens.…”

“…Several species, namely C. almagulae Poltavskaja, 1994, C. angulata Aoki, 1984, C. arctica Poltavskaja, 1994, C. breviclavata Aoki, 1984, C. elongata Fujikawa, 1972, C. ligulata Grishina, 1980, C. neonominata Subías, 2004, C. shukuminensis Nakatamari, 1982, C. taigagica Bayartogtokh, 2007and C. variolosa Fujikawa, 1991 are distributed in central and/or eastern Asia (Fujikawa et al 1993;Krivolutsky 1995;Bayartogtokh 2010). Recently, Shtanchaeva and Subías (2010) recorded one of these species, C. neonominata in Caucasia, but this record requires further confirmation.…”

“…Only two of the above-mentioned genera were found in Mongolia with four species. One of these species belongs to Astegistes, whereas the three other species belong to Cultroribula (Bayartogtokh 2007).…”

Contribution to the knowledge of the oribatid mite genus Perxylobates (Acari, Oribatida, Haplozetidae)

“…All morphological traits of P. mahunkai correspond to those of the genus Protoribates Berlese, 1908(e.g. Weigmann et al 1993Bayartogtokh 2010), therefore we propose the following combination: Protoribates mahunkai (Bayoumi, 1980) n. comb.…”

<p class="Body"><strong>Molecular and ontogeny studies clarify systematic status of <em>Chamobates borealis </em>(Acari, Oribatida, Chamobatidae): an integrated taxonomy approach</strong></p>

“…Chamobates borealis (Trägårdh 1902) was firstly described as Notaspis cuspidatus borealis Trägårdh, 1902, but this description, as well as a later redescription (Trägårdh 1910) were brief and concerned mainly the anterior part of the body, whereas the location of setae and porose areas on the notogaster were not indicated. Later, however, most authors (Shaldybina 1975;Karppinen & Krivolutsky 1982;Golosova et al 1983;Schatz 1983;Marshall et al 1987;Pavlichenko 1994;Bernini et al 1995;Olszanowski et al 1996;Niemi et al 1997;Weigmann 2006;Siepel et al 2009;Miko 2016;Murvanidze & Mumladze 2016) considered C. borealis as a separate species, whereas some (Mahunka and Mahunka-Papp 1995;Subías 2004Subías , 2019Bayartogtokh 2010;Weigmann et al 2015;Arroyo et al 2017) treated it as a junior synonym of Chamobates pusillus (Berlese 1895). According to Weigmann (2006), C. borealis has a medial incision between the two lateral teeth, while this incision is absent in C. pusillus.…”