Dimidiogalumna Engelbrecht, 1972

Ermilov, Sergey G. & Klimov, Pavel B., 2017, Generic revision of the large-winged mite superfamilY Galumnoidea (Acari, Oribatida) of the world, Zootaxa 4357 (1), pp. 1-72 : 20

Genus Dimidiogalumna Engelbrecht, 1972 (b)

Type species: Dimidiogalumna villiersensis Engelbrecht, 1972 (b), p. 141

Without sexual dimorphism in prodorsum and notogaster, notogaster rounded posteriorly in both genders. Body surface without strongly developed sculpture or ornamentation, or pteromorphs striate. Rostrum rounded. Lamellar lines present, long, thin, curving backwards at ventral end, sublamellar lines absent. Rostral setae medial to lamellar lines and distanced from them. Lamellar setae lateral to lamellar lines. Bothridial setae clavate, fusiform, lanceolate. Dorsosejugal suture absent or present, postanal porose area present. Notogastral setae represented by 10 pairs of alveoli, one pair on pteromorphs. Octotaxic system represented by porose areas, saccules absent, one pair of Aa. Median pore present in females and males, undivided. Pteromorphs clearly bilobed. Without thorn-like structures behind pteromorphs, dark band anterior to genital aperture and anal and adanal neotrichy. Adanal lyrifissures located close and lateral to anal aperture. Leg tarsi with three claws. Leg setae not modified.

Statement of monophyly: Non-monophyletic—see Note 4.3 in Taxonomic notes section

Distribution: Ethiopian, Oriental and southern Palaearctic regions

Known species: five species