THE SUBFAMILY Johnstonianinae Thor 1935 (Trombidiidae) was established to include Johnstoniana George 1909 and related genera. The only comprehensive treatment of the group was published by Thor and Willmann (1947) who included eight species in the genera Centrotrombidium Kramer 1896, Johnstoniana, Diplothrombium Berlese 1910, Myrmicotrombium Womersley 1934, and Hirstithrombium Oudemans 1928. T...

This study is part of the Swedish Taxonomy Initiative (STI) one of the most ambitious all taxa biodiversity inventories in the world. One of the pillars in STI is to support taxonomic research on the most neglected taxonomic groups with the aim to lift the level of knowledge of biodiversity in the country. There is still a lot to be discovered, especially in the microscopic world, and this incl...

Forania (Acari: Parasitengona: Erythraeidae) is a poorly known genus parasitic on ants, recorded only twice and not since 1930. In the present work, we re-describe the only described species, Forania mentonensis (André). Some drawings and technical information of the types are published for the first time. A new specimen captured from the south of Spain is described as Forania sendrai sp. nov. ...

The association between the ectoparasitic mite, Erythraeus Latreille (Acari: Prostigmata: Parasitengona) and psyllid Russelliana adunca Burckhardt (Hemiptera: Psylloidea) is reported for first time. Larval erythraeid mites are not common on psyllids, therefore this report adds a new host widens distribution of mite in South America.

erythraeus (zaracarus) coleopterus mortazavi, hajiqanbar & saboori, 2012 (acari: parasitengona: erythraeidae) was described based on a single specimen from kerman province, southeastern iran, associated with a scarabaeid beetle, cyphonoxia sp. (coleoptera: scarabaeidae). this species reports for the second time from stored grain (off host) in saqqez and baneh cities, kurdistan province, western...

based on a study on the parasitengona mite fauna of east azarbaijan province (iran) accomplished in 2007 and 2008, several specimens were collected. among them, erythraeus (erythraeus) adanaensis saboori & cobanoglu, 2010 is getting reported for the first time from iran.

during 2009, in the course of a faunistic survey of terrestrial parasitengona mites in jahrom region, ronaldothrombium bellator (southcott, 1986) (acari, trombidiidae) was collected and identified for the first time from iran. it was collected as ectoparasite of an unidentified araneae, which is a new host for r. bellator.

Se describe Palaeodiplothrombidium microscutum gen, et sp. nov. a partir de un adulto y una deutoninfa preservados en ámbar del Mioceno inferior Chiapas, México. Este taxón nuevo ácaro es el primer registro la Cohorte Parasitengona (Acari: Trombidiformes: Prostigmata) para yacimiento dentro México también fósil familia Johnstonianidae nivel mundial.