Laelaps is a genus of common parasitic mites in the family Laelapidae. Species, with their hosts, include:Laelaps acuminata – Oecomys Laelaps agilis – Rattus Laelaps alaskensis – Blarina, Clethrionomys, Craseomys, Dicrostonyx, Lemmiscus, Lemmus, Microtus, Mustela, Myotis, Napaeozapus, Ochrotomys, Ondatra, Onychomys, Parascalops, Peromyscus, Phenacomys, Poliocitellus, Sorex, Synaptomys, Thomomys Laelaps boultoni – Neacomys, Sigmodon, Oligoryzomys, Oecomys, Heteromys Laelaps castroi – Oligoryzomys Laelaps clethrionomydis – Clethrionomys, Craseomys, Microtus, Laelaps conula – Rhipidomys Laelaps crinigera – Oryzomyini Laelaps dearmasi – Zygodontomys Laelaps differens Laelaps echidnina – Rattus, Didelphis, Sigmodon, Mus, Peromyscus, Sylvilagus Laelaps evansi – Neofiber Laelaps exceptionalis – "wild rat" Laelaps flexa – Microryzomys Laelaps giganteus – Lemniscomys Laelaps incilis – Microtus, Neotamias, Peromyscus Laelaps kochi – Blarina, Clethrionomys, Corynorhinus, Craseomys, Dicrostonyx, Dipodomys, Glaucomys, Microtus, Mustela, Napaeozapus, Neotamias, Neovison, Neurotrichus, Ondatra, Peromyscus, Phenacomys, Sigmodon, Sorex, Synaptomys, Tamias, Zapus Laelaps lavieri – Mus Laelaps lemmi – Lemmus Laelaps liberiensis – Mastomys Laelaps manguinhosi – Holochilus, Nectomys, Neusticomys, and various other mammals Laelaps mazzai – Calomys, Oligoryzomys Laelaps multispinosa – Castor, Didelphis, Microtus, Mustela, Neovison, Ondatra, Peromyscus, Procyon Laelaps muricola – Mastomys Laelaps muris – Microtus, Ondatra Laelaps navasi – Oryzomyini Laelaps nuttalli – Mus, Ochrotomys, Peromyscus, Rattus, Sciurus Laelaps ovata – Nephelomys Laelaps paulistanensis – Rhipidomys, Oryzomyini Laelaps pilifer – Oryzomyini Laelaps spicata – Oryzomyini Laelaps stupkai – Synaptomys Laelaps surcomata – Rhipidomys Laelaps thori