Plutomurus, Yosii, 1956

Chang, Gyudong & Park, Kyung-Hwa, 2020, Report on a new species of Plutomurus (Collembola, Tomoceridae) from a South Korean limestone cave, with notes on its DNA barcode, Zootaxa 4718 (1), pp. 108-122 : 119-120

publication ID	https://doi.org/10.11646/zootaxa.4718.1.9
publication LSID	lsid:zoobank.org:pub:4A77597D-AF24-4C90-9722-A0136DBF22EF
persistent identifier	https://treatment.plazi.org/id/4A0C87CC-AD42-FFB4-B187-FF0DFA7FFDF2
treatment provided by	Plazi (2020-01-09 10:06:26, last updated 2024-11-29 17:32:08)
scientific name	Plutomurus
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Key to world species of genus Plutomurus

The following key was prepared based on the diagnostic character data of worldwide Plutomurus species by Jordana et al. (2012) and on the keys to the Japanese species by Yosii (1967), to the species of Russia and Georgia by Kniss & Thibaud (1999) and Barjadze et al. (2016), and to the species with 3 + 3 prelabral chaetae by Barjadze et al. (2018).

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

- Prelabral chaetae 3 + 3 or 4 + 4......................................................................... 19

2. Head with less than 6 + 6 eyes........................................................................... 3

- Head with 6 + 6 eyes.................................................................................. 9

3. Unguis with 4 or 5 inner teeth........................................... P. riugadoensis Yosii, 1939 ( Japan, cave)

- Unguis with 1 to 3 inner teeth........................................................................... 4

4. Head with 5 + 5 or 4 + 4 eyes...................................... P. sorosi Kniss & Thibaud, 1999 ( Georgia, cave)

- Head with less than 4 + 4 eyes........................................................................... 5

5. Mucro with 1 or without intermittent tooth................................................................. 6

- Mucro with 2 to 4 intermittent teeth....................................................................... 7

6. Unguis with 3 inner teeth. Mucro with 1 intermittent tooth. Dental spines formula as 10/3, I, 2, I, 2, I ....................................................................................... P. suzukaensis Yosii, 1939 ( Japan, cave)

- Unguis with 1 inner tooth. Mucro without intermittent tooth. Dental spines formula as 8–14/4–6, I, 2–3, I, 2–3, I ............................................................................... P. yamatensis Yosii, 1956 ( Japan, cave)

7. One big dental spine on basal dens. Species of Nearctic region.......... P. californicus ( Folsom, 1914) ( USA, cave & soil)

- No big dental spines on basal dens. Species of Palearctic region................................................ 8

8. Head with 2 + 2 eyes. Dental spines formula as 10–12/2–4, I, 3–4, I, 2, I, 2–3, I ................................................................................................... P. divesispinus Yosii 1966 ( South Korea, cave)

- Head with 3 + 3 eyes. Dental spines formula as 8–10/8–10, I ..................... P. leei Yosii,1966 ( South Korea, cave)

9. Unguiculus with inner teeth............................................................................ 10

- Unguiculus without inner tooth......................................................................... 15

10. Tibiotarsus of hindleg with only one spine-like chaeta....................................................... 11

- Tibiotarsus of hindleg with more than one spine-like chaetae.................................................. 12

11. Tibiotarsus of middle leg with one spine-like chaeta.............................. P. borealis Suma, 1981 ( Japan, soil)

- Tibiotarsus of middle leg without spine-like chaeta............... P. jeleznovodski Kniss & Thibaud, 1999 ( Georgia, cave)

12. Unguiculus with 3–4 inner teeth..................................... P. baschkiricus ( Skorikov, 1900) ( Russia, cave)

- Unguiculus with one or without inner tooth................................................................ 13

13. Tibiotarsus of middle leg with one spine-like chaeta........................ P. belozerovi Martynova, 1977 ( Russia, soil)

- Tibiotarsus of middle leg without spine-like chaeta.......................................................... 14

14. Tenent hair clavate. Mucro with 2–4 intermittent teeth. Dental spines formula as 3–8, II–III /0–3, I, 1–3, I, 2–4, I ...................................................................... P. wilkeyi ( Christiansen, 1964) ( USA, cave & soil)

- Tenent hair pointed. Mucro without intermittent tooth. Dental spines formula as 7–8, II /5, I, 3, I ...................................................................................... P. abchasicus Martynova, 1969 ( Georgia, soil)

15. Mucro with one basal tooth............................................................................ 16

- Mucro with more than one basal tooth.................................................................... 17

16. One to 2 big dental spines on basal dens. Dental spines formula as 4–7, I–II /3–4, I, 3–6, I. Unguis with 1–2 teeth......................................................................... P. brevimucronatus ( Denis, 1929) ( USA, cave)

- No big dental spine on basal dens. Dental spines formula as 5–8/5, I, 2, I. Unguis with 3 teeth............................................................................................... P. edaphicus Yosii, 1967 ( Japan, soil)

17. Dens with less than 10 spines basally..................................................................... 18

- Dens with more than 10 spines basally....................... P. birsteini Djanashvili & Barjadze, 2011 ( Georgia, cave)

18. Unguis with 2 inner teeth. Trochanteral-femoral organ as 15–18/7–9. Mucro with 0–1 intermittent tooth. Dental spines formula as 4, I /0–2, I, 1–2, I, 1–4, I ...................................... P. carpaticus Rusek & Weiner, 1978 (Europe, soil)

- Unguis with 5 inner teeth. Trochanteral-femoral organ as 30/40. Mucro with 2–4 intermittent teeth. Dental spines formula as 6, I /5, I, 1, I, 1, I, 2, I .............................................. P. vigintiferispina Lee, 1974 ( South Korea, cave)

19. Head without eye, or poorly visible eyes under optical microscope............................................. 20

- Head with eyes under optical microscope................................................................. 29

20. Mucro with one basal tooth............................................................................ 21

- Mucro with two basal teeth............................................................................ 22

21. Dens with 2+2 outer macrochaetae. 4+4 prelabral chaetae..................... P. marmorarius Yosii, 1967 ( Japan, cave)

- Dens with 3 + 3 outer macrochaetae. 3 + 3 prelabral chaetae...................... P. ehimensis Yosii, 1956 ( Japan, cave)

22. Unguis with 1–2 inner teeth............................................................................ 23

- Unguis with 3–5 inner teeth............................................................................ 28

23. Mucro with intermittent teeth........................................................................... 24

- Mucro without intermittent tooth........................................................................ 25

24. Small spines arranged in-a-row along with normal spines of dens............. P. jangamensis sp. nov. ( South Korea, cave)

- No small spines arranged in-a-row along with normal spines of dens....... P. gul Yosii, 1966 ( South Korea and Japan, cave)

25. Unguiculus with 0–3 inner teeth......................................................................... 26

- Unguiculus with 5–6 inner teeth......................................................................... 27

26. Tibiotarsus of hindleg with two spine-like chaetae. Basal dens without big spine..... P. kawasawai Yosii, 1956 ( Japan, cave)

- Tibiotarsus of hindleg with one spine-like chaeta. Basal dens with 1–2 big spines................................................................................................... P. eristoi Barjadze et al., 2016 ( Georgia, cave)

27. One big dental spine on basal dens. Dental spines formula as 7–9, I / I, 2–3, I, 2–3, I, 2, I .................................................................................... P. ortobalaganensis Jordana et al., 2012 (Abkhazia, cave)

- No big dental spine on basal dens. Dental spines formula as 9, 3/ I, 1, I, 1, I, 2, I ..... P. iwatensis Yoshii, 1991 ( Japan, cave)

28. Tibiotarsus of hindleg with one spine-like chaeta. Claw with 3–4/2–3 teeth..... P. grahami ( Christiansen, 1980) ( USA, cave)

- Tibiotarsus of hindleg with 2 spine-like chaetae. Claw with 4/5 teeth......... P. revazi Barjadze et al., 2016 ( Georgia, cave)

29. Tibiotarsus of hindleg with one spine-like chaeta....................... P. kelasuricus Martynova, 1969 ( Georgia, cave)

- Tibiotarsus of hindleg with 2 spine-like chaetae............................................................ 30

30. Abd IV with one macrochaeta and 5 mesochaetae in hind line...... P. shurubumuensis Barjadze et al., 2018 ( Georgia, cave)

- Abd IV with 3 macorchaetae and 3 mesochaetae in hind line............ P. pichkhaiai Barjadze et al., 2018 ( Georgia, cave)

References

Barjadze, S., Baquero, E., Soto-Adames, F. N., Giordano, R. & Jordana, R. (2016) New diagnosis for species of Plutomurus Yosii (Collembola, Tomoceridae), with descriptions of two new species from Georgian caves. Zootaxa, 4126 (1), 77 - 96. https: // doi. org / 10.11646 / zootaxa. 4126.1.3

Barjadze, S., Jordana, R., Baquero, E., Giordano, R. & Soto-Adames, F. N. (2018) Two new species of Plutomurus Yosii (Collembola, Tomoceridae) from the Caucasus. Zootaxa, 4526 (1), 29 - 40. https: // doi. org / 10.11646 / zootaxa. 4526.1.2

Christiansen, K. (1964) A revision of the Nearctic members of the genus Tomocerus (Collembola, Entomobryidae). Revue d' Ecologie et de Biologie du Sol, 1, 639 - 678.

Christiansen, K. (1980) A new Nearctic species of genus Tomocerus (Collembola: Entomobryidae). Proceedings of the Iowa Academy of Science, 87 (4), 121 - 123.

Denis, J. (1929) Notes sur les collemboles recoltes dans ses voyages par le Prof. F. Silvestri. Bollettino del Laboratorio di Zoologia generale e Agraria della R. Scuola Superiore d'Agricoltura in Portici, 22, 166 - 180.

Djanashvili, R. & Barjadze, S. (2011) A new species of the genus Plutomurus Yosii, 1956 (Collembola, Tomoceridae) from Georgian caves. Journal of Cave and Karst Studies, 73 (1), 28 - 30. https: // doi. org / 10.4311 / jcks 2010 lsc 0147

Folsom, J. W (1914) North American Spring-Tails of the subfamily Tomocerinae. Proceedings of the United States National Museum, 2037 (46), 451 - 472. https: // doi. org / 10.5479 / si. 00963801.46 - 2037.451

Jordana, R., Baquero, E., Reboleira, S. & Sendra, A. (2012) Reviews of the genera Schaefferia Absolon, 1900, Deuteraphorura Absolon, 1901, Plutomurus Yosii, 1956 and the Anurida Laboulbene, 1865 species group without eyes, with the description of four new species of cave springtails (Collembola) from Krubera-Voronya cave, Arabika Massif, Abkhazia. Terrestrial Arthropod Reviews, 5, 35 - 85. https: // doi. org / 10.1163 / 187498312 X 622430

Kniss, V. & Thibaud, J. M. (1999) Le genre Plutomurus en Russie et en Georgie (Collembola, Tomoceridae). Revue Francaise d'Allergologie, 21 (2), 57 - 64.

Lee, B. H. (1974) Etude de la faune Coreenne des insects Collemboles. V. Inventaire des grottes de Coree et etude sur les Tomoceridae cavernicoles avec la description d'une nouvelle espece. Annales de Speleologie, 29 (3), 403 - 418.

Martynova, E. (1969) Springtails of the family Tomoceridae (Collembola) from the fauna of the USSR. Entomological Review, 43, 299 - 314. [in Russian]

Martynova, E. (1977) Нogokvoсtki сiмiйсtva Tomoceridae (Collembola) v фauнi Daльнigo Voсtoka. EнTOМOФAuнA DAЛЬнiGO VOСTOKA, Tрudы BPI DVФ AН СССР, 46 (149), 3 - 16. [in Russian]

Rusek, J. & Weiner, W. M. (1978) Plutomurus carpaticus sp. n. (Collembola: Tomoceridae) from the Carpathian Mountains. Bulletin de l'Academie Polonaise des Sciences, Serie des sciences biologiques, Cl. II, 25 (11), 741 - 747.

Skorikov, A. (1900) Zoologische Ergebnisse der russischen Expedition nach Spitzbergen im Jahre 1899. Collembola. Annuaire du Musee Zoologique de l'Academie d. Sciences de St. Petersbourg, 5, 190 - 209.

Suma, Y. (1981) New Humicolous Species of Plutomurus (Collembola, Tomoceridae) from Hokkaido, North Japan. The Entomological Society of Japan, 49 (3), 502 - 505.

Yoshii, R (1991) A new species of Tomocerid Collembola from the cave of Pref. Iwate. Annual of the Speleological Research Institute of Japan, 9, 1 - 2.

Yosii, R. (1939) Two new species of Tomocerid Collembola from limestone caves of Japan. Annotationes Zoologicae Japonenses, 18 (3), 177 - 181.

Yosii, R. (1956) Monographie zur Hohlencollembolen Japans. Contributions from the Biological Laboratory, Kyoto University, 3, 1 - 109.

Yosii, R. (1966) Results of the speleological survey in South Korea 1966. IV. Cave Collembola of South Korea. Bulletin of the National Science Museum, Tokyo, 9 (4), 541 - 562.

Yosii, R. (1967) Studies on the Collembolan Family Tomoceridae, with special reference to Japanese forms. Contributions from the Biological Laboratory, Kyoto University, 20, 1 - 54.