A checklist of chiggers (Trombidiformes: Trombiculidae and Leeuwenhoekiidae) of Panama
Bassini-Silva, Ricardo; Carvalho Takatsu, Julia; Bermúdez, Sergio E.; Miranda, Roberto J.; Welbourn, Cal; Ochoa, Ron; Moraes Barros-Battesti, Darci and de Castro Jacinavicius, Fernando  Phylogeny of Dermanyssoidea (Acari: Parasitiformes) suggests multiple origins of parasitism
Dowling, A. and Oconnor, B.M.  On some new or little known species of parasitic Cheyletidae (Acari: Prostigmata)
Fain, A. and Bochkov, A.V.  Adaptive radiation in the parasitic Mesostigmata
Radovsky, F.J.