Hirstithrombium noemiae Feider, 1955, representing one of the eight genera currently assigned to Johnstonianinae, is redescribed based on field-collected adults, deutonymphs and larvae, and also larvae obtained at the laboratory from field-born females. The species is associated with hygric habitats located at higher altitudes. A successful rearing allowed the first matching of heteromorphic instars within the genus known hitherto exclusively from active postlarval forms. A comparison of genera of Johnstonianinae, including species known from larvae and/or active postlarval forms is provided, species presently assigned to subfamily are listed and the key characters used in species diagnosing are discussed. A female of Hirstithrombium noemiae Feider, 1955 collected in Turkey is designated as neotype.
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24 August 2022
The first description of the larva of Hirstithrombium Oudemans (Trombidiformes, Prostigmata, Johnstonianidae), with redescription of Hirstithrombium noemiae Feider, based on all active life instars