Ommatocepheus Berlese, 1913

Tobar, Harol Revelo, Martínez, Pablo A., Palacios-Vargas, José G. & Colina, Gabriel Otero-, 2025, New species of oribatid mites (Acari, Oribatida) of the genera Ommatocepheus (Cepheusidae) and Eremella (Eremellidae) from Mexico, Zootaxa 5620 (4), pp. 557-574 : 559-566

Genus Ommatocepheus Berlese, 1913

Type species: Ommatocepheus ocellatus ( Michael, 1882) .

Keys to all known species and subspecies of Ommatocepheus (except fossils)

1. Short lamellar protrusions, the distal ends do not touch each other.............................................. 2

- Long lamellar protrusions, the distal ends touch each other.................................................... 4

2. Lamellae and lamellar projections reduced, do not reach rostrum border (515–569 × 213–338)................................................................................. O. parvilamellatus Pérez-Íñigo & Pérez-Íñigo jr., 1996

- Lamellae and lamellar protrusions well developed........................................................... 3

3. Notogaster reticulated, seta c present (605–712 × 445–516)..................... O. reticulatus Pérez-Íñigo & Peña, 1997

- Notogaster foveolate, seta c absent (506–590 × 308–374)..................... O. crassisetosus Pérez-Íñigo et Peña, 1996

4. Interlamellar setae claviform............................................................................ 5

- Interlamellar setae different............................................................................. 6

5. Notogastral setae straight and acuminated (474 × 300)................... O. clavatus clavatus Woolley et Higgins, 1964

- Notogastral setae curved club-shaped, unilaterally rugose (477–620 × 280–360)........ O. clavatus japonicus Aoki, 1974

6. Interlamellar setae lanceolate, short adanal setae (565–620 × 329–395).................................................................... O. ocellatus ( Michael, 1882) (See illustrations in Travé 1963; Colloff 1984; Pérez-Íñigo 1997)

- Interlamellar setae rod-shaped, very long and thick adanal setae (547–658 × 352–400)............... O. quetzalli sp. nov.