Indoribates, Jacot, 1929

Xu, Shu-Jing, Liu, Cheng-Lin & Chen, Jun, 2024, Taxonomic contribution to the knowledge of the genus Indoribates and Lauritzenia (Acari, Oribatida, Haplozetidae), with description of a new species from China, Zootaxa 5556 (1), pp. 84-96 : 94

Key to known species of Indoribates and Lauritzenia in China

1 Five pairs of genital setae.................................................................... 2 ( Indoribates )

- Four pairs of genital setae.................................................................... 7 ( Lauritzenia )

2 Leg I monodactylous, legs II to IV bidactylous; three pairs of aggenital setae...... Indoribates (Indoribates) subiasi sp. nov.

- All legs monodactylous or heterotridactylous; one pair of aggenital setae......................................... 3

3 Legs heterotridactylous.............................. Indoribates (Haplozetes) vindobonensis curtipilis ( Kunst, 1977)

- Legs monodactylous................................................................................... 4

4 Neotrichy present in the epimeral regions; notogastral setae barbed.............................................. 5

- Neotrichy absent in the epimeral regions; notogastral setae smooth.............................................. 6

5 Neotrichy present on epimere III and IV, five pairs of setae on epimere III and five or six pairs of setae on epimere IV......................................................... Indoribates (Neoindoribates) multisetus ( Wen & Zhao, 1994)

- Neotrichy only present on epimere IV, four pairs of setae on epimere IV........................................................................................... Indoribates (Indoribates) crassistiger ( Fukuyama & Aoki, 2000)

6 Bothridial seta setiform; notogastral setae longer than anal setae; anal and adanal setae densely barbed from middle towards tips.......................................................... Indoribates (Indoribates) japonicus ( Aoki, 1988)

- Bothridial seta lanceolate; notogastral setae shorter than anal setae; anal and adanal setae slightly barbed.............................................................................. Indoribates (Indoribates) minutus ( Tseng, 1984)

7 Legs monodactylous................................................................................... 8

- Legs heterotridactylous................................................................................ 9

8 Bothridial seta lanceolate............................................ Lauritzenia (Lauritzenia) carnea Tseng, 1984

- Bothridial seta clavate....................................... Lauritzenia (Lauritzenia) loongchiensis ( Tseng, 1984)

9 Notogastral setae represented by alveoli except p 1; rostral, lamellar, interlamellar and head of bothridial seta barbed....................................................................... Lauritzenia (Incabates) nuda ( Hammer, 1961)

- Notogastral setae present; rostral, lamellar, interlamellar and head of bothridial seta smooth............................................................................................ Lauritzenia (Incabates) major ( Aoki, 1970)