Peloribates, Berlese, 1908

Key to the known species of Peloribates View in CoL from the Neotropical region

1. Leg tarsi I–III monodactylous, leg tarsus IV bidactylous; body length: 272–297.................................................................. Peloribates (Aokibates) yoshii ( Mahunka, 1988) View in CoL . Distribution: Oriental region, Mexico.

- All leg tarsi tridactylous............................................................................... 2

2. Four pairs of genital setae.............................................................................. 3

- Five pairs of genital setae.............................................................................. 5

3. Dorsal and ventral body sides not foveolate; body length: 390–490.................. Peloribates (Peloribates) europaeus Willmann, 1935 View in CoL (see also Iturrondobeitia 1985; Weigmann 2006; Bayartogtokh 2010). Distribution: Holarctic region, Mexico.

- Dorsal and ventral body sides foveolate................................................................... 4

4. Interlamellar and notogastral setae short, thin; rostrum pointed; epimeres without long, strong, longitudinal stria; body length: 225–255.......................... Peloribates (Peloribatodes) luissubiasi sp. nov. Distribution: Dominican Republic.

- Interlamellar and notogastral setae medium-sized, stiff; rostrum narrowly rounded; epimeres with long, strong, longitudinal stria; body length: 232–249........................................................................................... Peloribates (Peloribatodes) roynortoni Ermilov, Shtanchaeva & Subías, 2019 View in CoL . Distribution: U.S.A., Mexico.

5. All notogastral setae minute (not longer than diameter of bothridium) or represented by alveoli; lamella with distinct lateral tooth............................................................................................... 6

- All notogastral setae distinctly longer than diameter of bothridium; lamella without lateral tooth...................... 7

6. Posterior notogastral setae present, minute; body length: 600–660..................................... Peloribates (Peloribates) peloptoides ( Berlese, 1888) View in CoL (also see Mahunka 1994). Distribution: Neotropical region, Southeast China, U.S.A.

- All notogastral setae represented by alveoli; body length: 430–600.......................... Peloribates (Peloribates) decumanus ( Berlese, 1908) View in CoL (= Peloribates anomalus Pérez-Íñigo & Baggio, 1980 View in CoL ) (also see Mahunka 1994). Distribution: Brazil.

7. Dorsal notogastral setae long, distinctly longer than distance da–dm ............................................. 8

- Dorsal notogastral setae medium-sized or short, not longer than distance da–dm .................................. 11

8. Bothridial seta lanceolate (pointed distally); dorsal and ventral body sides with small foveolae........................ 9

- Bothridial seta clavate (rounded distally); dorsal and ventral body sides without foveolae........................... 10

9. Prolamella absent; anogenital setae similar in length; body length: 420–465........................................................................... Peloribates (Peloribates) cavaticus sp. nov. Distribution: Dominican Republic.

- Prolamella present; anal and adanal setae distinctly longer than genital and aggenital setae; body length: 324–336.......................................... Peloribates (Peloribates) perreti Mahunka, 1984 View in CoL . Distribution: Neotropical region.

10. Two pairs of notogastral saccules Sa; body length: 440........................................................................................... Peloribates (Peloribates) floridensis Nevin, 1975 View in CoL . Distribution: U.S.A. (Florida).

- One pair of notogastral saccules Sa; body length: 370........................................................................................ Peloribates (Peloribates) longicoma Hammer, 1958 View in CoL . Distribution: Neotropical region.

11. All notogastral setae medium-sized, as long as distance da–dm or little shorter................................... 12

- All notogastral setae short, about 1/2 of distance da–dm ..................................................... 15

12. Dorsal and ventral body sides not foveolate; body length: 310–465................ Peloribates (Peloribates) longisetosus ( Willmann, 1930) View in CoL (also see Aoki & Nakatamari 1974). Distribution: Neotropical and eastern Palaearctic regions, India.

- Dorsal and/or ventral body sides entirely or partially foveolate................................................ 13

13. Bothridial seta erect; body length: 370–440.... Peloribates (Peloribates) hubbardi ( Banks, 1904) View in CoL (= Peloribates histricinus Berlese, 1910 View in CoL ; = Peloribates tillandsius Nevin, 1975 View in CoL )................................. Distribution: U.S.A. (Florida).

- Bothridial seta directed posterolaterad................................................................... 14

14. Rostral seta thickened, distinctly thicker than lamellar and interlamellar setae; body length: 550............................................................ Peloribates (Peloribates) muscicola Hammer, 1961 View in CoL . Distribution: Peru, Japan.

- Rostral seta setiform, not thicker than lamellar and interlamellar setae..................................................................................Two similar species (possibly the same) needing further identification research: 1. Peloribates (Peloribates) genavensium Mahunka, 1983 View in CoL (body length: 538–563; distribution: Mexico); 2. Peloribates (Peloribates) paraguayensis Balogh & Mahunka, 1981 View in CoL (body length: 544–549; distribution: Neotropical and Oriental regions).

15. Notogaster striate; anogenital region lineolate; body length: 446–510................................................................. Peloribates (Peloribates) robustus Grishina, 1981 View in CoL . Distribution: eastern Palaearctic region, Mexico.

- Notogaster not striate; anogenital region not lineolate....................................................... 16

16. Notogastral seta c 1 as long as long distance c 1 –la ........................................................... 17

- Notogastral seta c 1 about 1/2 of distance c 1 –la ............................................................. 18

17. Some notogastral setae (e.g., h 1) dilated medially; prolamella absent; interlamellar seta shorter than lamellar seta; body length: 454–505......................... Peloribates (Peloribates) pinguisetus Mahunka, 1985 View in CoL . Distribution: Antillas, U.S.A.

- All notogastral setae not dilated medially; prolamella present; interlamellar seta not shorter than lamellar seta; body length: 435–470........................... Peloribates (Peloribates) dispersus Beck, 1964 View in CoL . Distribution: Neotropical region.

18. Large species, with body larger than 700; body length: 705–780.......................................................................... Peloribates (Peloribates) grandis ( Willmann, 1930) View in CoL . Distribution: Neotropical region, Japan.

- Medium-sized species, with body smaller than 600......................................................... 19

19. Notogaster longer than wider; head and stalk of bothridial seta almost the same in length; body length: 540–590.............................................. Peloribates (Peloribates) porosus Beck, 1964 View in CoL . Distribution: Neotropical region.

- Notogaster wider than longer; head of bothridial seta about 1/3 of stalk; body length: 460.................................................................... Peloribates (Peloribates) rigidicoma Hammer, 1958 View in CoL . Distribution: Bolivia.