New species of Abrolophus (Acari: Erythraeidae) from Iran with a key to species with a comb-like seta on the palpal tarsus

In this study, larva of Abrolophus bochkovi sp. nov. collected from Qazvin province is described and illustrated. A key to larval species of Abrolophus of the world with a comb-like seta on the palpal tarsus is presented. Moreover, A. karamani Haitlinger & Šundić, is considered as a junior synonym of A. aitapensis (Southcott 1948).

A new species of the genus Sphaerotarsus (Acari: Parasitengonina: Smarididae) from Iran

To date seven species of the genus Sphaerotarsus Womersley, 1936 have been described namely, three exclusively from larvae, three from postlarval forms and one from larvae and postlarval forms. In this study, the larvae of a fifth species are described and illustrated from Iran, namely: Sphaerotarsus sadafae sp. nov. collected from soil and litter under oak trees, (Quercus spp). Also, a key to the world larval species is provided.

Descriptions of all active instars of a new species of Calyptostoma (Trombidiformes: Calyptostomatidae) from Iran

The larva, deutonymph and adult of Calyptostoma seemani Masoumi & Saboori sp. nov. (Trombidiformes: Calyptostomatidae) are described from the Kandovan region, Alborz province, Iran. Larvae were reared from eggs laid by adults kept at room temperature in plastic pots. A key to larval and post-larval species of Calyptostoma of the world and corrections in the description of C. gorganica are presented.

A new species of Eutrombidium (Acari: Prostigmata) from Brazil ectoparasitic on Grylloidea, with a key to world larval species

Eutrombidium carajas sp. nov. (Acari: Microtrombidiidae: Eutrombidiinae) is described and illustrated from larvae ectoparasitic on Phalangopsis sp. (Orthoptera: Grylloidea: Phalangopsidae) from Brazil. Eutrombidium carajas sp. nov. belongs to the species group with large and deeply incised lateral coxala I, and coxalae II and III. A key to world larval species of Eutrombidium Verdun is provided.

The genus Erythraeus (Acari: Erythraeidae) from China with descriptions of two new species and a key to larval species of the genus worldwide

Two new mite species, Erythraeus (Erythraeus) hubeiensis sp. nov. and E. (Zaracarus) hainanensis sp. nov., are described and illustrated based on larvae parasitizing insects (Hemiptera) in Hubei and Hainan Provinces, China. An updated key to larval species of the genus Erythraeus of the world is presented.

A new species of larval Caeculisoma (Acari: Erythraeidae) parasitic on cicadas from China with detailed comparison of all larval members in the genus

Caeculisoma semispinus Xu & Jin sp. nov. is described and illustrated based on larvae ectoparasitic on Typhlocybinae (Hemiptera: Cicadellidae) from Chongqing Municipality, Hubei Province and Hunan Province, China. A key to the larval species of the genus Caeculisoma of the world is presented.