Aculus is a genus of mites, including the following species: \n* Aculus ablopurpurascus Huang, 2001 \n* Aculus acanthae (Mohanasundaram, 1982) \n* Aculus acraspis (Nalepa, 1892) \n* Aculus acutangulae Mohanasundaram, 1985 \n* Aculus advens (Keifer, 1938) \n* Aculus aegerinus (Nalepa, 1892) \n* Aculus aesculi Domes, 2003 \n* Aculus aflatunivagrans (Ponomareva, 1978) \n* Aculus africanae (Meyer & Ueckermann, 1990) \n* Aculus albopurpurascus Huang, 2001 \n* Aculus alfalfae (Roivainen, 1950) \n* Aculus altus (Nalepa, 1909) \n* Aculus amandae (Keifer, 1969) \n* Aculus ambrosiae (Keifer, 1943) \n* Aculus amygdalina (Banks, 1912) \n* Aculus anthobius (Nalepa, 1892) \n* Aculus aphanotrichus (Liro, 1943) \n* Aculus aphelus Smith-Meyer & Ueckermann, 1990 \n* Aculus arbosti (Cotte, 1924) \n* Aculus arceosae (Briones & M