Phylloribatula, Balogh & Mahunka, 1978

Ermilov, Sergey G. & Salavatulin, Vladimir M., 2023, Taxonomic contribution to the knowledge of the oribatid mite family Scheloribatidae (Acari, Oribatida), with description of three new species from Vietnam, Zootaxa 5336 (2), pp. 233-246 : 241

Key to known species of Phylloribatula

1. Lamellar seta setiform................................................................................. 2

- Lamellar seta broadly phylliform......................................................................... 4

2. All notogastral setae narrowly phylliform; notogaster and anogenital region microsculpturing tuberculate; four pair of genital setae; three pairs of notogastral sacculi; body length: 210–240........ Phylloribatula latiseta sp. nov. Distribition: Vietnam.

- All notogastral setae broadly phylliform; notogaster and anogenital region foveolate; five pair of genital setae; four pairs of notogastral sacculi.................................................................................... 3

3. All notogastral setae rounded distally; setae p 1 – p 3 similar to other notogastral setae in size; head of bothridial seta clavate; interlamellar region with longitudinal ridges; body length: 275–320................................................................................. Phylloribatula ilhabellae ( Balogh & Palacios-Vargas, 1996) . Distribition: Brazil.

- All notogastral setae pointed distally; setae p 1 – p 3 distinctly shorter than other notogastral setae; head of bothridial seta globular; interlamellar region foveolate; body length: 254–294............................................................................................ Phylloribatula mexicana ( Balogh & Palacios-Vargas, 1996) . Distribition: Mexico.

4. Notogastral and anogenital regions foveolate; notogastral setae p 2, p 3 distinctly shorter than p 1; five pair of genital setae; epimeres III, IV with three setae each; translamella absent; body length: 266...................................................................................... Phylloribatula pilososetosa ( Mahunka, 1983) . Distribition: Brazil.

- Notogastral and anogenital regions reticulate; setae p 2, p 3 similar to p 1 in size; four pair of genital setae; epimeres III, IV with two setae each; translamella present....................................................................... 5

5. All notogastral setae rounded distally; interlamellar seta inserted on oblique ridge; body length: 364–443........................................... Phylloribatula xanthoparmeliae Martínez & Palacios-Vargas, 1998 . Distribition: Argentina.

- All notogastral setae pointed distally; interlamellar seta inserted on prodorsal surface; body length: 274.......................................................... Phylloribatula pulchella Balogh & Mahunka, 1978 . Distribition: Paraguay.