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Unionicola

{{Short description|Genus of mites}}

{{Automatic taxobox

| image = Naturalis Biodiversity Center - RMNH.ART.1555 - Unionicola crassipes (Müller) - Mites - Collection Anthonie Cornelis Oudemans.jpeg

| image_caption = Larva of Unionicola crassipes

| taxon = Unionicola

| authority = Haldeman, 1842

| subdivision_ranks = Species

| subdivision =

}}

Unionicola is a genus of freshwater arachnids, specifically water mites, belonging to the family Unionicolidae.{{cite WoRMS |title=Unionicola Halderman, 1842 |id=158469 |access-date=15 January 2021}} The genus was described in 1842 by Samuel Stehman Haldeman. The genus has cosmopolitan distribution.{{cite GBIF |title=Unionicola Haldeman, 1842 |id=2180362 |website=www.gbif.org |access-date=15 January 2021 |language=en}}

Most Unionicola are associated with molluscs, but Unionicola crassipes and Unionicola minor are associated with sponges of family Spongillidae. The association with mussels can be described as symbiotic. There is evidence that mites consume host tissue and can be associated with reduced host fitness, although the causal direction of the latter remains unclear.

Species include the following:

  • Unionicola gracilipalpis
  • Unionicola figuralis
  • Unionicola crassipes
  • Unionicola aculeata
  • Unionicola ypsilophora (Bonz, 1783)

References

{{Reflist|30em|refs=

{{cite journal |last1=Davids |first1=C. |last2=Crowell |first2=R. M. |last3=de Groot |first3=C. J. |title=The developmental cycles of two co-occurring sponge mites Unionicola crassipes (Müller) and Unionicola minor (Soar) (Acari, Hydrachnellae) |journal=Hydrobiologia |date=1985 |volume=122 |issue=3 |pages=199–205 |doi=10.1007/BF00018279|s2cid=2879331 }}

{{cite journal |last1=Fisher |first1=Ginger R. |last2=Dimock |first2=Ronald V. |last3=Kuhn |first3=Raymond E. |title=The symbiotic water mite Unionicola formosa (Acari: Unionicolidae) ingests mucus and tissue of its molluscan host |journal=Journal of Parasitology |date=2000 |volume=86 |issue=6 |pages=1254–1258 |doi=10.1645/0022-3395(2000)086[1254:TSWMUF]2.0.CO;2|pmid=11191901 }}

{{cite journal |last1=Gangloff |first1=Michael M. |last2=Lenertz |first2=Kristin K. |last3=Feminella |first3=Jack W. |title=Parasitic mite and trematode abundance are associated with reduced reproductive output and physiological condition of freshwater mussels |journal=Hydrobiologia |date=2008 |volume=610 |issue=1 |pages=25–31 |doi=10.1007/s10750-008-9419-8|s2cid=12915328 }}

{{cite book |title=On some species of Hydrachnidae |last=Haldeman |first=Samuel Stehman |year=1842 |location=Philadelphia |series=Zoological Contributions |volume=1 |pages=1–6 [1] |url=https://books.google.com/books?id=6vpGAQAAMAAJ&pg=PP4 }}

}}

{{Taxonbar|from=Q4645080}}

Category:Trombidiformes

Category:Acari genera

Category:Taxa named by Samuel Stehman Haldeman

Category:Cosmopolitan arachnids