سرگی جی. ارمیلوف

Thirty-four species of oribatid mites (Oribatida), belonging to 29 genera and 14 families, were collected from Saona Island, Southeast Dominican Republic. A new species of the genus Pergalumna—P. (Pergalumna) saonaensis sp. nov.—is described from leaf litter of the mixed forest.

Two new species of oribatid mites (Oribatida)—Hermannobates neotropicus sp. nov. (Hermanniellidae) and Mucrobates venezuelaensis sp. nov. (Scheloribatidae)—are described, based on materials collected from sweep sample in the cloud forest in Western Venezuela. The genus Mucrobates is recorded in the Venezuelan fauna for the first time. Hermannobates neotropicus sp. nov. differs from the closely related species, H. intermedius Călugăr, 1990, by length and morphology of the bothridial seta. Mucrobates venezuelaensis sp. nov. differs from the closely related species, M. cayoaguaensis Ermilov & Kontschán, 2021, by the body size, the length of the bothridial and exobothridial setae, the presence of the pedotectum II, keel-shaped ridge and seta v’ on the leg genu II, and the location of the adanal seta ad1.

The present study is based on oribatid mite material collected from five locations in Eastern Guatemala. A list of 98species, belonging to 68 genera and 43 families, is presented; 70 species are recorded for the first time in Guatemalan fauna.A new species of genus Pergalumna,P. paraobsidianasp. nov.is described from rainforest litter.

The present study is based on oribatid mite materials collected from the Gambela region, Ethiopia. A list of 41 species, belonging to 30 genera and 20 families, is presented. One new species Scheloribates (Scheloribates) aboboensis Ermilov sp. nov. (Scheloribatidae) is described.

A new species of the genus Flagellozetes (Oribatida, Galumnidae) – F. (Cosmogalumna) daklakensis sp. nov. – is described from dry litter in Shorea dipterocarp forest in Daklak Province, Central Vietnam. The species F. (C.) maolanensis is recorded for the first time in Vietnamese fauna. An identification key to the known species of Flagellozetes is presented.

A new species of the genus Pergalumna, P. rooensis sp. nov. is described from leaf litter in secondary semi-evergreen tropical forest in Mexico. The new species can be distinguished from the related species P. makarovae in the body size, the length of lamellar seta, the morphology of head of the bothridial seta, and the localization of notogastral lyrifissure im. Pergalumna silvatica Hammer, 1961 is recorded in Mexico for the first time.

The genus Orbiculobates (Oribatida, Plasmobatidae) is recorded in Mexico for the first time. A new species — O. bicornutus sp. nov. — is described, based on adults collected from leaf litter in secondary semi-evergreen tropical forest. An identification key to the known species of Orbiculobates is presented.

The family Carabodidae (Oribatida) is recorded in Malawi for the first time. A new species of the subgenus Carabodes (Klapperiches) is described from sifted litter in a highland forest of Central Malawi. Carabodes (Klapperiches) dedzaensis sp. nov. can be distinguished from the related species C. (K.) coronatus Mahunka, 1986 by the larger body size, longer and fusiform bothridial seta, flexible interlamellar seta, longer lamellar cusp, and the absence of foveolae on genital and anal plates. An identification key to known species of Carabodes (Klapperiches) from the Afrotropical region is provided.

A new species of the neotropical genus Amboroppia (Oribatida, Oppiidae), A. andensis sp. nov. is described, based on adults collected from upper soil and leaf litter in primary mountain forest in the Andes, Central Peru. Additions to the generic diagnosis of Amboroppia are presented.