water mites
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2021 ◽  
Vol 49 ◽  
pp. 88-94
Author(s):  
Vladimir Pešić

A list of the water mites (Acari, Hydrachnidia) types originally stated to be deposited in the Museum of Natural History in Montenegro, Podgorica, Montenegro and later on transferred to Museum of Natural History in Basel (Switzerland) and Naturalis Biodiversity Center in Leiden (the Netherlands) is given.


2021 ◽  
Vol 49 ◽  
pp. 20-34
Author(s):  
Vladimir Pešić ◽  
Milica Jovanović ◽  
Ana Manović ◽  
Ioannis Karaouzas ◽  
Harry Smit

New records of water mites from Serbia, North Macedonia and Greece revealed by DNA barcoding are presented. DNA barcodes were recovered from 63 water mite specimens morphologically assigned to 32 species. One species Lebertia algeriensis Lundblad, 1942, is reported for the first time for the Balkans; four species, i.e. Lebertia fimbriata Thor, 1899, L. rivulorum K. Viets, 1933, Atractides stankovici Pešić & Gerecke, 2010, and Wettina lacustris Pešić & Smit, 2018 are new for North Macedonia; Monatractides madritensis (K. Viets, 1930) and Mideopsis roztoczensis Biesiadka & Kowalik, 1979 are new for Serbia; and Hygrobates mediterraneus Pešić, 2020 is new for Greece. Comparing sequences of our study with the available COI sequences we recognized five possible cases of cryptic diversity involving species clusters with more than 5% divergence indicating that these species need further study.


Zootaxa ◽  
2021 ◽  
Vol 5082 (5) ◽  
pp. 425-440
Author(s):  
VLADIMIR PEŠIĆ ◽  
ANDRZEJ ZAWAL ◽  
ALIREZA SABOORI ◽  
HARRY SMIT

In this study, based on morphology and DNA barcodes, new records of water mites (Acari, Hydrachnidia) collected in August 2017 in North Iran are presented. Hydrodroma golestanica n. sp. (Hydrodromidae) is described as new for science. We also resurrect three previously synonymized species: Sperchon amuzgari Bader & Sepasgosarian, 1979 (Sperchontidae), Monatractides persicus Pešić & Saboori, 2004 and Torrenticola baueri Bader & Sepasgozarian, 1987 (Torrenticolidae).   


2021 ◽  
Vol 9 ◽  
Author(s):  
Vladimir Pešić ◽  
Andrzej Zawal ◽  
Ana Manović ◽  
Aleksandra Bańkowska ◽  
Milica Jovanović

Water mites (Acari, Hydrachnidia) are a significant component of freshwater ecosystems inhabiting a wide range of aquatic habitats. This study provides a first comprehensive DNA barcode library for the water mites of Montenegro. DNA barcodes were analysed from 233 specimens of water mites morphologically assigned to 86 species from 28 genera and 15 families. In the course of the study, four species, i.e. Lebertia reticulata (Koenike, 1919), Atractides inflatipalpis K.Viets, 1950, A. latipes (Szalay, 1935) and Parabrachypoda montii (Maglio, 1924) were molecularly confirmed as new for Montenegro and three species, i.e. Protzia octopora Lundblad, 1954, Piona laminata (Thor, 1901) and Unionicola ypsilophora (Bonz, 1783) are new for the Balkan Peninsula. Results are analysed using the Barcode Index Number system (BIN) and the Refined Single Linkage (RESL) of BOLD. The BIN assigned sequences to 98 clusters, while the RESL reveal 103 operational taxonomic units (OTUs). Unique BINs were revealed for 72 species (83.7%), whereas twelve species (14%) were characterised by two BINs and two species (2.3%) with three BINs. Amongst the studied taxa, 14 species were found with a high intraspecific sequence divergences (˃ 2.2%), emphasising the need for additional comprehensive morphological and molecu­lar analysis of these species.


Acarologia ◽  
2021 ◽  
Vol 61 (3) ◽  
pp. 700-746
Author(s):  
Harry Smit

Abstract. Ten new species of water mites are described from Ghana, i.e. Limnesia (Limnesia) stagnalis n. sp. (Limnesiidae), Hygrobatopsis (?) convexipalpis n. sp., Hygrobatopsis (Hygrobatopsis) pauciglandulosa n. sp., Hygrobates (Hygrobates) dentipalpis n. sp., Hygrobates (Hygrobates) pseudoniloticus n. sp. (Hygrobatidae), Neumania (Soarella) fusiformis n. sp., Neumania (Soarella) ghanaensis n. sp., Unionicola heversi n. sp. (Unionicolidae), Arrenurus (Megaluracarus) chutteri ankasa n. sp. and Arrenurus (Micruracarus) circulodorsalis n. sp. (Arrenuridae). Three subspecies are raised to full species, i.e. Mamersa expansa Cook, 1979 nov. stat. (Hydryphantidae), H. coriaceus (Lundblad, 1952) nov. stat. (Hygrobatidae) and Nyangalla (Ecpolopella) acuticaudata K. Viets, 1916 nov. stat. (Unionicolidae). Ecpolus dorsofenestratus Lundblad, 1949 is synonymized with Neumania (Alloneumania) marginata (K. Viets, 1916). The adults of Hygrobatopsis (Hygrobatopsella) inflatus (K. Viets, 1925), a species know thus far as deutonymph only, the females of Tubophora limnesioides Walter, 1935, Hygrobates niloticus Walter, 1922, Arrenurus (Megaluracarus) geniculatus Koenike 1898 and Momonides ghanaensis Smit, 2012, and the male of Piona damasiella Cook, 1966 are described for the first time. Many new records are presented for Ghana and the Gambia.


Acarologia ◽  
2021 ◽  
Vol 61 (3) ◽  
pp. 758-759
Author(s):  
Antonio Di Sabatino
Keyword(s):  

Author(s):  
Vitaly A. Stolbov ◽  
Victoria V. Stolbova ◽  
Sergey D. Sheykin

Temporary ponds are specific freshwater habitats in which the characteristic fauna of aquatic organisms is formed. One of the large groups of invertebrates in temporary water bodies is water mites. In this work, water mites were studied in three different types of temporary ponds in the vicinity of the city of Tyumen, Western Siberia. The studies were carried out in two periods with a long time interval between them: in 2008–2010 and 2018–2019. In total, 33 species of water mites from 7 families were identified in the studied ponds. All ponds were dominated by vernal mite species typical for this type of water bodies. Also, they were characterized by similar seasonal dynamics of numbers. The species composition and the number of mites in different ponds varied, which is associated with different physicochemical parameters and the fauna of invertebrates, which served as food objects and hosts for the adults and larvae. Despite the small size and periodic drying of the ponds, the fauna of the mites inhabiting them has changed little over the long period of time that separates the studies. Only in one pond, which became permanent due to the rise of groundwater, significant changes in acarofauna were observed. Considering such constancy of the fauna of water mites of temporary ponds, they can be used as bioindicators of the ecological state of water bodies.


Zootaxa ◽  
2021 ◽  
Vol 5009 (1) ◽  
pp. 1-85
Author(s):  
REINHARD GERECKE

Based on field work mostly done in the late 20th century, a survey is given on the diversity and distribution of spring- and stream-dwelling water mites of the family Hygrobatidae in Italy. Five species, all representatives of the subgenus Atractides Koch, 1837 s. str., are described as new to science: Atractides asinus sp. nov., A. castor sp. nov., A. cydonius sp. nov., A. dinisi sp. nov., and A. pollux sp. nov.. A further 13 species are recorded for the first time from Italy: Atractides anellatus Lundblad, 1956, A. asticae Petrova, 1968, A. denticulatus Walter, 1947, A. fissus (Walter, 1927), A. fluviatilis (Szalay, 1929), A. glandulosus (Walter, 1918), A. graecus K. Viets, 1950, A. lunipes Lundblad, 1956, A. remotus Szalay, 1953, A. subterraneus (K. Viets, 1932), Hygrobates arenarius Smit & Pešić, 2017, H. setosus Besseling, 1942, and H. cf. turcicus Pešić, Esen & Dabert, 2017. In summary, a total number of 66 hygrobatid species is now known from the area treated. Previous records of Atractides allgaier Gerecke, 2003 from Corsica and Sardinia, and of A. lunipes Lundblad, 1956 from Corsica, refer to A. castor sp. nov., resp. A. corsicus E. Angelier, 1954. Redescriptions are given for seven remarkable and/or incompletely documented species: Atractides asticae, A. fluviatilis, A. graecus, A. inflatipalpis K. Viets, 1950, A. lunipes, A. protendens K.O. Viets, 1955, and A. remotus. Problems concerning diagnostic features are discussed for several species. Atractides fluviatilis, A. valencianus K. Viets, 1930 and A. inflatipalpis, along with two species not recorded from Italy, namely A. algeriensis (Lundblad, 1942) and A. stancovici Pešić & Gerecke, 2010, are summed up in a “fluviatilis species group”. Within this clade, several species tend to grade into each other morphologically, and females cannot be classified with certainty.


PLoS ONE ◽  
2021 ◽  
Vol 16 (7) ◽  
pp. e0254598
Author(s):  
Adrian A. Vasquez ◽  
Obadeh Mohiddin ◽  
Zeyu Li ◽  
Brittany L. Bonnici ◽  
Katherine Gurdziel ◽  
...  

Water mites are diverse aquatic invertebrates that provide potentially important ecosystem and economic services as bioindicators and mosquito biocontrol; however, little is known about water mite digestive physiology, including their diet in nature. Water mites, much like their spider relatives, liquefy their prey upon consumption. This results in the absence of morphologically identifiable prey in water mite mid-gut. Previous studies have reported associations in the field of water mites with presumed prey and laboratory observations of water mites feeding on specific organisms offered for ingestion; however, the present work aims to determine what water mites have ingested in nature based on molecular studies of gut contents from freshly collected organisms from the field. To elucidate water mite prey, we used next-generation sequencing to detect diverse cytochrome oxidase I DNA barcode sequences of putative prey in the guts of 54 specimens comprising two species of Lebertia and a few specimens of Arrenurus (2) and Limnesia (1). To our knowledge this is the first molecular study of the diets of water mites as they feed in nature. While the presence of chironomid DNA confirmed previous observations of midge larvae as part of the diets of Lebertia, we also found the DNA of diverse organisms in all four species of water mites, including the DNA of mosquitoes in 6 specimens of Lebertia and a large number of previously unknown prey, especially from oligochaete worms. These studies thereby reveal a greater diversity of prey and a potentially broader significance than previously appreciated for water mites in aquatic food webs. Molecular studies like this can detect water mite predators of mosquito larvae and add knowledge of water mite predatory contributions to freshwater food webs.


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