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This study was performed on the collections of the National Zoological Collection of the Zoological Survey of India and described a new species in the “multidentati” Cyphoderus group from Bihar, India. This new species, Cyphoderus bihariensis sp. nov., is described with a distinguishing comparison among other species within this group. The new species is notably large compared to its counterparts in this group. This study also redescribed Cyphoderus javanus Börner, 1906 collected from various localities and habitats across India and provides additional morphological identification characters and chaetotaxy for taxonomic sufficiency. Earlier, India was home to nine Cyphoderus species from various localities across the country. Additionally, an identification key to the Indian Cyphoderus is included.

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The eucoiline genus Hexacola Foerster, 1869 is present in the Afrotropical, Neotropical, Holarctic and Ethiopian regions, as well as Oceania. In this paper, three species are reported for the first time in Argentina: Hexacola hexatoma (Hartig 1841), Hexacola bifarium Quinlan, 1986 and Hexacola bonaerensis Reche, nom. nov. proposed to replace Hexacola fuscipes (Kieffer 1908) by homonymy with Hexacola fuscipes (Kieffer 1907). Their redescriptions are provided. Species from Argentina are parasitoids of Ephydridae and Chloropidae (Diptera). New distribution data, new host records and a key for Argentinian species are provided. Photographs of diagnostic characters and georeference of locality of collections are included. The material examined is deposited in the collection of the División Entomología, Museo de La Plata (Argentina).

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New data for the genus Aspilota Foerster, 1863 (Braconidae: Alysiinae) of the Western Asia are provided. Four species, A. flagimilis Fischer, 1966, A. insolita (Tobias, 1962), A. latitemporata Fischer, 1976 and A. nidicola Hedqvist, 1972, are recorded for the first time from Iran. Illustrated re-descriptions of Aspilota alfalfae Fischer, Lashkari Bod, Rakhshani & Talebi, 2011, A. delicata Fischer, 1973, A. flagimilis, A. insolita, A. latitemporata, and A. nidicola are presented. A key to the Western Asian species of Aspilota is provided.

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The oribatid mite of the family Oppiidae, Graptoppia (Stenoppia) italica (Bernini, 1973) (syn.: Oppia heterotricha Bernini, 1969) is redescribed based on females collected from soil in Sistan-o Baluchestan (Southeastern Iran) and South Khorasan (Central-Eastern Iran) provinces. Detailed descriptions of the gnathosoma and legs are also provided for the first time. The original description does not reflect the characters of the pubescence of the setae (cilia), characters on the lateral side of the ano-adanal region, as well as the true length of anal and adanal setae. Through the new finding of Graptoppia italica in Iran, the number of Oribatids in the family Opiidae raised to 81 species.

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Ceratophysella Bӧrner, 1932 is the second largest genus of the family Hypogastruridae and contains 146 species from all over the world, with nine species reported from Iran. Specimens were extracted from soil and leaf litter samples using a modified Berlese funnel. The DNA sequences of the mitochondrial COI gene were obtained from the whole body of Ceratophysella specimens. A Maximum Likelihood tree is also generated based on the sequences of COI gene representing the overall phylogenetic affinities of the known Ceratophysella species. In the present study, C. communis (Folsom, 1897) and C. impedita Skarzynski, 2002 are recorded for the first time from Iran. Ceratophysella, communis is re-described, and its diagnostic characters are illustrated. An identification key to Ceratophysella species of Iran is given.