Adelphacarus is a of oribatid mites in the Adelphacaridae, established by Grandjean in 1952. It belongs to the Palaeosomata, a group of primitive mites characterized by ancestral morphological features. The genus is known from limited records, with Adelphacarus reticulatus described from Iran in 2017 representing a documented .
Identification
Members of this can be distinguished from other palaeosomatid mites by features of the Adelphacaridae; specific diagnostic characters for the genus require examination of detailed morphological traits such as body setation, prodorsal structure, and leg chaetotaxy.
Habitat
Grassland and agricultural , based on collection records from East Azerbaijan Province, Iran.
Distribution
East Azerbaijan Province, Iran (documented for A. reticulatus); broader distribution of the is poorly documented.