Oribatid mite communities were investigated at six sites of Machakhela National Park (West part of Georgia) in two representative habitat types: Alder (Alnus barbata) forest and mixed forest with chestnut (Castanea Sativa), beech (Fagus orientalis) and hornbeam (Carpinus sp.). A total of 81 species of Oribatid mites were identified from investigated area. One species of Oribatid mites - Ctenobelba (Caucasiobelba) urhani Baran, 2015 and subgenus Caucasiobelba Subías and Shtanchaeva, 2010 are recorded for the first time from Georgia. In the proposed publication, we also present several species of Ptyctimous mites that are omitted in the recently published annotated checklists of Georgian Oribatid mites, so the number of the moss mites registered in the country's territory increased and become 572. The results of our study clearly demonstrated the existence of the difference in the Oribatid mite diversity of the lowland forests of Adjara distributed in the protected area of the Machakhela National Park. The cluster analysis separated mite populations of alder and Colchis mixed broadleaf forests. The results of one-way ANOVA indicated that the species abundance was the most insignificant factor in comparison with the species richness, Shannon index, and evenness which had the stronger power in the separation of the mite population by the forest habitats. The results of the SIMPER analysis ranked nine species of mites responsible for the difference in the mite population diversities in the studied forest habitats. These species do not belong to the category of abundant species however they are strongly associated with each target forest habitat. Our study provides the checklist of Oribatid mites registered on study sites. It includes 81 species from 53 genera, 40 families and 27 Superfamilies.

During 2018-2019, fauna of the oribatid mites (Acari: Oribatida) related to tea plant, Camellia sinensis (L.) in Guilan Province was collected and identified. Mites were extracted from soil samples by Berlese funnel and from leaves by direct examination under a stereomicroscope and cleared in Nesbitt’s solution. Cleared mites were mounted in Hoyer’s medium on microscopic slides. In this study totally, 34 species belonging to 27 genera and 20 families of oribatid mites were collected and identified. Among them, 30 species, 20 genera and 9 families reported related to tea plant, for the first time from Iran. List of the identified families, genera, and species in this study and their collection information are provided. Moreover, a checklist of the genera and species of oribatid mites related to tea plant in Iran and an identification key to them (in family, genus and species levels) are provided.

Two different microhabitats (cropped fields versus established date-palm farms) in two different cities in Khuzestan Province, Southwestern Iran, were sampled monthly during 2011-2012 in order to assess the role of anthropic uses of soil on the biodiversity of oribatid mites. A total of 17 species of oribatid mites belonging to 10 families and 15 genera were identified (nine species were collected from the fields and 17 species were collected from date-palm farm). Among the collected species, Scheloribates fimbriatus with 22% relative abundance and Acrotritia ardua with 19% were dominant species. The Shannon index of species diversity and equitability was used to analyze data. Species diversity of oribatid mites and equitability were significantly greater in the date-palm farms than in the cropped fields. Time of year had no significant effect on biodiversity.

The present study is based on oribatid mite material collected from fungi during the Russian-Vietnamese expedition in July 2012 in Dong Nai Biosphere Reserve of Southern Vietnam. An annotated checklist of oribatid mite taxa is presented. It includes 61 species and one subspecies, 44 genera and 27 families. Nine species (Allonothrus russeolus, Basilobelba retiaria, Acroppia processigera, Dolicheremaeus junichiaokii, Basiceramerus igorotus, Zetorchella reticulata, Tuberemaeus singularis, Nesopelops intermedius, Notogalumna foveolata), one subspecies (Scheloribates praeincisus interruptus), five genera (Allonothrus, Acroppia, Basiceramerus, Nesopelops, Notogalumna) are first records for Vietnam. A new oribatid mite species, Carabodes (Klapperiches) mikhaetandreorum sp. nov. (Carabodidae), is described. The new species is very similar morphologically to C. (K.) atrichosus Mahunka, 1984 and C. (K.) problematicus Mahunka, 1985, however, it clearly differs from both by the absence of the translamella and the position of the adanal setae ad1. Basiceramerus igorotus Corpuz-Raros and Gruèzo, 2011 (Otocepheidae) is redescribed, based on the Vietnamese specimens.

During 1999-2002, in the course of a faunistic survey of oribatid mites of Iran, twelve species of higher or brachypyline oribatid mites (Brachypylina) belonging to eleven genera and seven families from various localities of Iran were collected: Aleurodamaeus* setosus (Aleurodamaeidae*); Licnobelba* alestensis (Licnobelbidae*); Licnodamaeus fissuratus, L. pulcherrimus (Licnodamaeidae); Damaeus* sp., Subbelba* sp., Belba* cf. minuta (Damaeidae); Damaeolus* cf. ornatissimus, Fosseremus quadripertitus (Damaeolidae); Berlesezetes aegypticus (Microzetidae); Galumna tarsipennata, Pilogalumna boevi (Galumnidae). All the species, six genera and two families, that are the first recorded from Iran are marked by an asterisk.

A new oribatid mite species, Ramuselloppia vietnamica sp. nov. (Oppiidae), is described from soil of Southern Vietnam. The genus is recorded for the first time from Vietnam and the Oriental region. The morphology of the gnathosoma and legs of Ramuselloppia is presented in detail for the first time. An annotated checklist of oribatid mite taxa from a dipterocarp forest of Dong Nai Culture and Nature Reserve is presented. It includes 40 species, 29 genera and 19 families.

Fauna of pycnonotic oribatid mites (Acari: Oribatida) in Eest Azerbaijan province was studied during 2014–2016. In this survey, 27 species belonging to 25 genera, 19 families and 13 superfamilies were collected and identified, of which the species Hypocepheus mirabilis Krivolutsky, 1971; Oppiella (Oppiella) nova palustris Laskova, 1980 and Suctobelbella (Suctobelbella) acutidens sarekensis (Forsslund, 1941)are recorded for the first time from Iran. Also an additional description is provided for Licnodamaeus inaequalis (Balogh & Mahunka, 1965) based on specimens collected from the East Azerbaijan province. Moreover, a checklist and an identification key of 27 pycnonotic oribatid mite species collected in this survey, is presented.

Oribatid mites are one of the dominant soil microarthropods. These mites have an important role in increasing soil fertility through organic materials decomposition. Oribatid mite communities (Acari: Oribatida) were investigated in orchards of five regions (Ahar, Kaleibar, Varzaghan, Heris and Horand) in East Azerbaijan province, Iran. The oribatid mites were studied in each orchard (apple orchards with size of approximately 0.4 ha were selected) by collecting 12 samples taken from a maximum depth of 20 cm. Sampling was performed for six months in 2015. The oribatid species diversity (Shannon-Wiener index), Species richness (Rarefaction and Jackknife methods), Evenness by Shannon's index and similarity (Sorensen index) were calculated with Ecological Methodology 6.0 software for all the regions. A total of 75 species belonging to 57 genera and 38 families of oribatid mites were collected and identified. The highest number of species (54 spp.) was found in the orchards of Kaleibar, while the studied orchards of Varzaghan had the lowest number of species (21 spp.). One–way ANOVA analysis showed that the Shannon–Wiener species diversity was highest in Kaleibar (H = 3.409) and Ahar (H = 3.419). Also, Kaleibar and Ahar had the highest species richness (Kaleibar: 79.8 species, Ahar: 70.7 species). Among studied regions, Kaleibar and Ahar had the highest species richness and species diversity but Varzaghan showed the lowest values, apparently because of geographical and climate differences between these regions.

This research was conducted in 2020 in order to investigating the species diversity and abundance of oribatid mites in the oak and hornbeam forests of Arasbaran (Ahar and Kaleibar) in East Azerbaijan Province. Soil sampling was carried out in May and June. Oribatid mites present in soil samples were separated using Berlese funnels and clarified in relative solution, followed by preparation of microscope slides. After identification, counting, diversity and evenness indices (Shannon and Simpson), as well as species richness were calculated using Ecological Methodology 6.0 software. In general, 29 species of Oribatid mites from 27 genera and 23 families were identified in this study: Cosmochthonius lanatus Michael, Sphaerochthonius splendidus Berlese, Steganacarus (Tropacarus) carinatus Koch, Papillacarus pseudoaciculatus Mahunka, Rhysotritia ardua Koch, Nothrus biciliatus Koch, Hermanniella septentrionalis Berlese, Plesiodamaeus ornatus Pérez-Íñígo, Belba sp., Xenillus setosus Grobler, Ozman & Cobanoglu, Fosseremus quadripertitus Grandjean, Rhinoppia obsoleta Paoli, Ramusella (Ramusella) puertomonttensis Hammer, Ramusella (R.) sengbuschi Tokyoensis, Ramusella (R.) sengbuschi Str., Graptoppia (G.) sundensis acuta Ayyildiz, Rectoppia sp., Suctobelella sp., Austrocarabodes (Austrocarabodes) foliaceisetus Murvanidze & Weigmann, Tectocepheus velaus Michael, Eupelops acromios Haman, Berlesezetes aegypticus Balogh & Mahunka, Oribatula (O.) tibialis allifera Subías, Protoribates (P.) paracapucinus Mahunka, Scheloribates fimbriatus Thor., Ceratozetes conjunctus Mihelčič, Punctoribates angulatus Bayartogtokh, Grobler & Cobanoglu, Galumna sp., Pilogalumna sp. The highest abundance of mites in Ahar and Kaleibar belonged to Scheloribtes fimbriatus and Oribaiula tibilis, respectively. The calculated species diversity indices in the Kaleibar region during June were higher than those in May. The diversity and species richness of oribatid mites were higher in Kaleibar with oak vegetation, which could be due to the higher humidity and acidity of the soil compared to Ahar.

During different seasons of 2013, a faunistic survey was carried out on oribatid mites (Acari: Oribatida) in Arasbaran forests, north of East Azerbaijan Province of Iran. Mites were extracted from soil and plant litter samples using a Berlese's funnel and cleared in Nesbitt's fluid. Then, they were mounted in Hoyer's medium as microscope slides. In this study, 13 species, belonging to 10 genera and 7 families of poronotic oribatid mites were collected and identified, of which two species for East Azerbaijan Province and two species for the Iran mite fauna were new records which were marked with (*) and (**) respectively. The collected species according to related families are as follows:Lucoppia feideri**, Oribatula (Oribatula) tibialis alifera (Oribatulidae); Scheloribates fimbriatus (Scheloribatidae); Ceratozetella cf. sellnicki (Ceratozetidae); Eupelops cf. eximius, E. acromios, E. torulosus*, E. tardus (Phenopelopidae); Anachipteria cf. deficiens (Achipteriidae); Punctoribates cf. liber (Punctoribatidae); Pilogalumna tenuiclava*, Pergalumna longisetosa**, Galumna (Galumna) karajica (Galumnidae).