Opilioacarus

{{Short description|Genus of mites}}

{{Automatic Taxobox

| taxon = Opilioacarus

| authority = With, 1902 {{ITIS |id=734592 |taxon=Opilioacarus}}

| type_species = Opilioacarus segmentatus

| type_species_authority = With, 1902

| fossil_range = {{fossilrange|Eocene|Recent|earliest=Cenomanian}}

| image = Opilioacarus_baeticus_(cropped).png

| image_caption = Photo of Opilioacarus baeticus

}}

Opilioacarus is a genus of opilioacarid mites native to the Mediterranean region. The following species are recognised:{{Cite journal |last=Moraza |first=María L. |last2=Prieto |first2=Carlos E. |last3=Balanzategui |first3=Iñaki |date=2021-03-30 |title=A new species of the genus Opilioacarus With, 1902 (Acari: Opilioacarida) for the Iberian Peninsula |url=https://www1.montpellier.inrae.fr/CBGP/acarologia/article.php?id=4422 |journal=Acarologia |volume=61 |issue=1 |pages=128–147 |doi=10.24349/acarologia/20214422|doi-access=free }}

• Opilioacarus baeticus Moraza et al. 2022, Iberian Peninsula
• Opilioacarus brignolii Araújo & di Palma, 2018, Southern Italy, Sardinia
• Opilioacarus italicus (With, 1904) Sicily
• Opilioacarus segmentatus With, 1902 Greece, Algeria, Uzbekistan? (possibly in need of splitting)
• {{Extinct}}Opilioacarus aenigmus Dunlop et al. 2004 Baltic amber, Eocene
• {{Extinct}}?Opilioacarus groehni Dunlop & Bernardi, 2014 Burmese amber, Myanmar, Late Cretaceous (Cenomanian) (tentatively placed in this genus)

The following species have been transferred elsewhere:

• Opilioacarus bajacalifornicus Vázquez & Klompen, 2002
• Opilioacarus nicaraguensis Vázquez & Klompen, 2002
• Opilioacarus nohbecanus Vázquez & Klompen, 2002
• Opilioacarus ojastii (Lehtinen, 1980)
• Opilioacarus orghidani Juvara-Bals & Baltac, 1977
• Opilioacarus platensis Silvestri, 1905
• Opilioacarus siankaanensis Vázquez & Klompen, 2002
• Opilioacarus texanus (Chamberlin & Mulaik, 1942)
• Opilioacarus vanderhammeni Juvara-Bals & Baltac, 1977