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Two new species of Idiocera (Idiocera) Dale, 1842 are described, viz. I. (I.) falcistylus sp. n. (Spain) and I. (I.) cretopunctata sp. n. (Greece: Crete), and their wings and male terminalia are illustrated. A key to the European species of the subgenus is appended.

Three new species of oribatid mites of the genus Pergalumna (Oribatida, Galumnidae) are described from litter and soil in the Korup National Park (Cameroon). Pergalumna jenoi sp. nov. differs from P. margaritata Mahunka, 1989 and P. pseudomargaritata Mahunka, 1994 by the presence of simple dorsosejugal suture, dentate anterior margin of the ventral plate, distinct reticulate pattern on the pteromorphs and dense stria on the genital plates, the localization of setal alveoli la posterior to porose areas Aa, and the absence of a median pore. Pergalumna tuberclesejugalis sp. nov. differs from P. margaritata and P. pseudomargaritata by the larger body size, the localization of porose areas Aa closer to lm than la, and setal alveoli h3 close and lateral to A2, the presence of sejugal porose areas, and the absence of a median pore and stria on the genital plates. Pergalumna grebennikovi sp. nov. differs from P. bifissurata Hammer, 1972 by the larger body size, the presence of smooth bothridial setae, well-developed interlamellar setae, reticulate anterior margin of pteromorphs, comparatively long prodorsal median ridge and a median pore, and the localization of setal alveoli la and porose areas Aa. An identification key to the known species of the genus Pergalumna from the Ethiopian region is presented.

Redescriptions are provided of the Palaearctic species of Thaumastoptera (s. str.) Mik, viz. T. (T.) calceata Mik, 1866 (Europe; Saudi Arabia), T. (T.) intermixta Savchenko, 1974 (Russia: North Caucasus; Georgia), and T. (T.) insignis Lackschewitz, 1940 (Portugal, Spain), and a new species, T. (T.) spathifera sp. n. (Italy: Sicily), is described. All important characters of the wing and the male terminalia are illustrated. A key to the Palaearctic Thaumastoptera (s. str.) is appended.

Three new species of oribatid mites of the superfamily Galumnoidea (Acari, Oribatida) are described from vicinities of the city of Hanoi in Northern Vietnam. Allogalumna bochkovi sp. nov. differs from all species of the genus Allogalumna by the spindle-shaped bothridial setae having very long, setiform apex. Trichogalumna mironovi sp. nov. differs from all species of the genus Trichogalumna by the presence of a large quadrangular protruding rostrum and strong ridges of different form in median part of notogaster and anogenital region, and the absence of notogastral porose areas Aa. Galumnella paracellularis sp. nov. differs from G. cellularis Balogh Mahunka, 1967 by the larger body size and reticulate prodorsum.

Two new mite species from Madagascar, based on female specimens, viz. Armascirus skvarlai sp. nov. and Cunaxa corpuzrarosae sp. nov. (Acari: Prostigmata: Cunaxidae), are described and figured. Armascirus skvarlai sp. nov. differs from the related species A. gimpeli Smiley, 1992 by having long hysterosomal platelets, thin and long lateromedial sts on the palpal genu, and from A. ozarkensis Skvarla Dowling, 2012 by having a cone-shaped proterosomal shield with straight lateral edges, and by its nearly triangular hysterosomal shield. Cunaxa corpuzrarosae sp. nov. differs from the related species C. potchensis Den Heyer, 1979 by having 4 pairs of sts between coxae IV and the genital region, and by having a short stout palpal femoral apophysis; and from C. mageei Smiley, 1992 and C. neogazella Smiley, 1992 by having much shorter hysterodorsal and palpal tibiotarsal setae.

Three new species of oribatid mites of the genus Protoribates (Oribatida, Haplozetidae) are described based on adult specimens from the Tam Dao National Park of Northern Vietnam. Protoribates chistyakovi sp. nov. differs from P. sangumburiensis (Choi, 1996) by being larger, the localization of lamellar setae, and morphology of rostrum and interlamellar setae. Protoribates shaldybinae sp. nov. differs from P. dentatus (Berlese, 1883) by its distinctly foveolate body surface, morphology of pedotecta II and leg tarsi I and II, and much longer adanal setae ad2. Protoribates shvanderovi sp. nov. differs from P. gracilis (Aoki, 1982) by its larger body size, localization of lamellar setae, and the relative lengths of lamellar, interlamellar and bothridial setae, and longer dorsophragmata. An identification key to the Vietnamese species of the genus Protoribates is given.

In six sifting litter samples from Madagascar, altogether 26 species of ptyctimous mites, belonging to four families and 11 genera, were found. Three new species, Arphthicarus phoxos sp. nov., Notophthiracarus parapaulianus sp. nov. and Atropacarus (Hoplophorella) paralemurius sp. nov. are described and figured. Keys for species of genera and subgenera Arphthicarus, Notophthiracarus and Atropacarus (Hoplophorella) from Madagascar are presented.

Five species previously usually treated as Dicranomyia (Dicranomyia) mitis (Meigen, 1830) are redescribed and named with already existing names, viz. D. (D.) mitis [s. str.], D. (D.) affinis (Schummel, 1829), D. (D.) quadra (Meigen, 1838), sp. restit., D. (D.) lutea (Meigen, 1804), and D. (D.) imbecilla Lackschewitz in Lackschewitz & Pagast, 1941, stat. n. All important characters of the wing, male tarsi and male and female terminalia are illustrated. A key to D. (D.) mitis and allies is appended.

Three new species of the family Phthiracaridae, Austrophthiracarus longisetosus sp. nov., Phthiracarus allocotos sp. nov., Protophthiracarus amboroensis sp. nov. from Bolivia are described and figured. A comparison of morphological similarities with the most closely related species is presented. Additional descriptions and taxonomical notes for three ptyctimous species: Acrotritia peruensis (Hammer, 1961), Acrotritia vestita (Berlese, 1913), and Steganacarus (Rhacaplacarus) sedecimus Niedbała, 2004 are added. A list of twenty six ptyctimous species from Bolivia is presented, ten of these species are new records for the fauna of Bolivia. A key to all species of ptyctimous mites of Bolivia is presented.

Seven new species and one new genus of Uropodina are described from Madagascar. The third Afrotropical species of Polyaspis is described (Polyapis (Polyaspis) madagascarensis sp. nov.), with a key to the Afrotropical species of the genus. The first species of Dinychus from the Afrotropical region is described, as Dinychus lepus sp. nov.. An unusual new species of Trichouropoda species is described as Trichouropoda madagascarica sp. nov.. A new genus (Malagana gen. nov.) is described, with type species Malagana rotunda sp. nov.. The genus Pulchellaobovella is recorded from the Afrotropical Region for the first time, on the basis of Pulchellaobovella madagascarica sp. nov., with nomenclatural notes on the genera Pulchellaobovella and Janetiella. Uroobovella graeca Kontschán, 2010 is moved into the genus Pulchellaobovella, as Pulchellaobovella graeca (Kontschán, 2010b) comb. nov. Two new species of Rotundabaloghia (Circobaloghia) are described, Rotundabaloghia (Circobaloghia) ermilovi sp. nov. and Rotundabaloghia (Circobaloghia) kaydani sp. nov.

Altogether 24 species of ptyctimous mites were found in sifting litter samples from the Cameroon. Twelve new species of the ptyctimous mites, Indotritia montkoupensis sp. nov., Acrotritia furca sp. nov., Acrotritia quasidivida sp. nov., Hoplophthiracarus kumboensis sp. nov., Hoplophthiracarus reticulatus sp. nov., Hoplophthiracarus spinus sp. nov., Steganacarus (Rhacaplacarus) quaternarius sp. nov., Austrophthiracarus bicarinatus sp. nov., Protophthiracarus diatropos sp. nov., Protophthiracarus korupensis sp. nov., Protophthiracarus preptos sp. nov., Atropacarus (Hoplophorella) gibbus sp. nov., from the Cameroon are described and figured. Seven species are recorded for the first time for the Cameroon oribatid mite fauna. A comparison of morphological similarities with the most closely related species is presented. Taxonomical notes and additional information for two ptyctimous species: Acrotritia ardua (C.L.Koch, 1841), Arphthicarus sculptilis (Niedbała, 1988), were added. Keys for Afrotropical species of genera Hoplophthiracarus and Protophthiracarus are presented.

Four new species of the subgenus Hoplophorella are desccribed and identified from the Afrotropical region: Atropacarus (Hoplophorella) curtisetosus sp. nov. from Uluguru Mountains of Tanzania, Atropacarus (Hoplophorella) distinctus sp. nov. from Ambohitantely Special Reserve of Madagascar, Atropacarus (Hoplophorella) othneios sp. nov. from Ranomafana National Park of Masagascar, and Atropacarus (Hoplophorella) stenos sp. nov.  from Nguru and Uluguru Mountains of Tanzania. A comparison with the most closely related species of the subgenus Hoplophorella is also presented.

The new genus Neoctenogalumna gen. nov. with Ctenogalumna moresonensis Engelbrecht, 1972 as a type species and the new subgenus Neoctenogalumna (Paractenogalumna) subgen. nov. with Neoctenogalumna (Paractenogalumna) longiciliata sp. nov. as a type species are proposed. Four new species Allogalumna ampla sp. nov., Galumna miniporosa sp. nov., Pergalumna ornamenta sp. nov. and Neoctenogalumna (Paractenogalumna) longiciliata sp. nov. are described from Ecuadorian soils. Neoctenogalumna moresonensis (Engelbrecht, 1972) comb. nov. and N. congoensis (Starý, 2005) comb. nov. are transferred in the genus Neoctenogalumna gen. nov. from Ctenogalumna. An identification key to known species of Neoctenogalumna gen. nov. is provided. An annotated checklist of identified Ecuadorian Galumnidae is presented. Four species Allogalumna borhidii Balogh & Mahunka, 1979, A. cubana Balogh & Mahunka, 1979, Pergalumna australis Pérez-Íñigo & Baggio, 1980, Galumna laselvae Balogh, 1997--are recorded for the first time from Ecuador. One genus and one species Trichogalumna Balogh, 1960 and Trichogalumna nipponica (Aoki, 1966) are recorded for the first time from the Neotropical region.

Three new species and one new genus of Uropodina from Tanzania are described and illustrated. They include the second species of the genus Bloszykiella Kontschán, 2010, Bloszykiella grebennikovi sp. nov., and the resurrection and re-definition of the genus Spinosissuropoda Hirschmann, 1979, with description of a new species, Spinosissuropoda tanzanica sp. nov. Five species of Uropoda are transferred into the genus Spinosissuropoda--S. solarissima (Hirschmann, 1981) comb. nov., S. ancoraesimilis (Hirschmann, 1981) comb. nov., S. pocsi (Hirschmann, 1981) comb. nov., S. ancorae (Hirschmann, 1981) comb. nov. and S. alata (Hirschmann, 1981) comb. nov. A new monotypic genus, Afrodinychus gen. nov., is described and compared with the related genus Metadinychus Berlese, 1916.