Plutomurus Yosii

Barjadze, Shalva, Mayvan, Mahmood Mehrafrooz, Parimuchová, Andrea, Maghradze, Eter & Kováč, Ľubomír, 2024, Two new species of Plutomurus Yosii (Collembola: Tomoceridae) from Georgia and Iran, Zootaxa 5463 (4), pp. 559-572 : 570

Updated key to species of Plutomurus Yosii from the Western Palaearctic

(Number of macrochaetae are given on per half tergite)

1 Prelabral chaetae 2+2................................................................................. 2

- Prelabral chaetae 3+3................................................................................ 12

2 Spine–like chaetae on tibiotarsus I, II, and III as 001......................................................... 3

- Spine–like chaetae on tibiotarsus I, II, and III as 002......................................................... 4

3 Eye patch with 4–5 eyes; tenaculum with 1 chaeta........ P. sorosi Kniss & Thibaud, 1999 ( Russia: North Caucasus: cave)

- Eye patch with 6 eyes; tenaculum with 3–4 chaetae. P. jeleznovodski Kniss & Thibaud, 1999 ( Russia: North Caucasus: cave)

4 Dens with very narrow spines............................. P. baschkiricus ( Skorikow, 1900) ( Russia: Mt Urals: caves)

- Dens with ordinary spines.............................................................................. 5

5 Tenent hair acuminate............................................ P. abchasicus Martynova, 1969 ( Georgia: soil)

- Tenent hair clavate.................................................................................... 6

6 Th. II with 4 Mc (medial & posterior)..................................................................... 7

- Th. II with 5 Mc (medial & posterior)..................................................................... 8

7 Head with 2 postocular Mc; Abd. IV with 3 Mc............... P. birsteini Djanashvili & Barjadze, 2011 ( Georgia: caves)

- Head with 3 postocular Mc; Abd. IV with 6 Mc.. P. kharagauliensis Barjadze, Kováč & Parimuchová, 2022 ( Georgia: cave)

8 Abd. I with 2 Mc............................................................................................. P. unidentatus ( Börner, 1901) ( Belgium, Bulgaria, France, Germany, Italy, Luxembourg and Slovenia: soil & caves)

- Abd. I with 3 Mc..................................................................................... 9

9 Head with 1 postocular Mc; Abd. II with 2 Mc........................................................................................... P. carpaticus Rusek & Weiner, 1978 ( Czech Republic, Slovakia, Ukraine, Romania: soil)

- Head with 2 or 3 postocular Mc; Abd. II with 3 Mc......................................................... 10

10. Head with 2 postocular Mc; Abd. IV with 3 Mc... P. ruseki Barjadze, Kováč & Parimuchová, 2022 ( Slovakia: soil & caves)

- Head with 3 postocular Mc; Abd. IV with 5 or 6 Mc........................................................ 11

11 Ant. length/head length as 3.35–4.81; Abd. IV with 5 Mc.......................... P. danialensis sp. nov. ( Iran: cave)

- Ant. length/head length as 2.13–2.84; Abd. IV with 6 Mc........................ P. weinerae sp. nov. ( Georgia: cave)

12 Tenent hair clavate.............. P. revazi Barjadze, Baquero, Soto-Adames, Giordano & Jordana, 2016 ( Georgia: caves)

- Tenent hair acuminate................................................................................ 13

13 Spine–like chaetae on tibiotarsus I, II, and III as 002........................................................ 14

- Spine–like chaetae on tibiotarsus I, II, and III as 001........................................................ 16

14 Eyes absent; Th. II with 6 (anterior, medial & posterior) Mc.................................................................................. P. ortobalaganensis Jordana & Baquero, 2012 (in Jordana et al. 2012) ( Georgia: caves)

- Eyes present; Th. II with 4 (medial & posterior) Mc........................................................ 15

15 Abd. IV with 1 large lateral and sometimes a second smaller medial Mc............................................................. P. shurubumuensis Barjadze, Jordana & Soto-Adames, 2018 (in Barjadze et al. 2018) ( Georgia: cave)

- Abd. IV with 3 Mc: 1 large lateral and 2 smaller medial Mc.......................................................................... P. pichkhaiai Barjadze, Jordana & Soto-Adames, 2018 (in Barjadze et al. 2018) ( Georgia: caves)

16 Eyes present and distinct; empodium with a large tooth.................................................................................................... P. kelasuricus Martynova, 1969 (North Caucasus and Georgia: caves)

- Eyes absent or indistinct; empodium with small teeth....................................................... 17

17 Th. II with 5 Mc; one chaeta–like process on the sublobal plate is much shorter than others.......................................................... P. jordanai Barjadze & Soto-Adames, 2020 (in Barjadze et al. 2020a) ( Georgia: cave)

- Th. II without Mc; all chaeta-like process on the sublobal plate normally developed............................................................... P. eristoi Barjadze, Baquero, Soto-Adames, Giordano & Jordana, 2016 ( Georgia: cave)