Recurring species interactions can cause species to adapt to each other. Specialization will increase the fitness of symbionts in the coevolved association but may reduce the flexibility of symbiont choice as it will often decrease fitness in interactions with other than the main symbiont species. We analyzed the fitness interactions between a complex of two cryptic mite species and their sympa...

Poecilochirus necrophori Vitzthum is a Palearctic distributed species, which deutonymphs are phoretic on some burying beetles (Coleoptera: Silphidae). The mites use adult for transport to carcasses where the moult into adults and both feed reproduce. A life cycle of species synchronized with their phoronts they can be used in forensic acarology as indicators post mortem interval. We present fir...

This paper summarizes the results of studies on fauna gamas mites nidicolic group. On Eastern Transbaikal Territory, 68 species have been identified as part They belong to nine families, most them found in rodent nests. The largest number belongs families Parasitidae, Laelaptidae, Rhodacaridae. Many soil, where they form micropopulations. Of 19 not soil: six Euryparasitus, three from genera Poe...