Cheiroseius Berlese, 1916
Sejus Koch, 1843: 92 (not Koch, 1836) (synonymy by Lindquist & Evans, 1965: 37).
Type species: Sejus viduus Koch, 1839, designated by Koch, 1843. (see Lindquist & Evans, 1965: 37 for details).
Lasioseius (Cheiroseius) Berlese, 1916: 40 .
Type species: Sejus unguiculatus Berlese, by original designation. Cheiroseius . — Moraes et al., 2016: 36.
Diagnosis (adult female). A full morphological characterisation of this genus was given by Moraes et al. (2016).