Ceratophysella armata
Authors/Creators
Description
Key to species of the C. armata group of the Sino–Japanese Region
The key is mainly based on Babenko et al. (1994). Distribution of species in the Sino–Japanese Region (sensu Christiansen & Bellinger 1995, Bellinger et al. 1996 –2024) is presented in Tab. 3.
1. Ant. IV with strongly bent setae................................................. C. flectoseta Lin & Xia, 1983
- Ant. IV with normal setae.............................................................................. 2
2. Sensillae p 4 on Th. II–III shorter than microsetae.............. C. microchaeta Babenko, 1994 in Babenko et al. (1994)
- Sensillae p 4 on Th. II–III longer than microsetae............................................................ 3
3. Abd. V with medial spine-like tegumentary projection....................................................... 4
- Abd. V without such projection.......................................................................... 5
4. Abd. IV with p 3 setae present...................................................... C. liguladorsi (Lee, 1974)
- Abd. IV with p 3 setae absent............................ C. mediolobata Nakamori, 2020 in Nakamori et al. (2020)
5. Setae p 1 on Abd. V modified into spines.......................................... C. duplicispinosa (Yosii, 1954)
- Setae p 1 on Abd. V normal.............................................................................. 6
6. Head with 1 + 1 cornea-like structures in the area frontalis.................................................... 7
- Head without such structures............................................................................ 8
7. Abd. IV with setae p 3 ............................................................... C. sinensis Stach, 1964
- Abd. IV without setae p 3........................................................ C. beatifica Nakamori, 2023
8. Empodial appendage longer than inner edge of claws............ C. empodialis Babenko, 1994 in Babenko et al. (1994)
- Empodial appendage about 1/2 of the inner edge of claws..................................................... 9
9. Dens with large ventro-apical swelling............................................. C. bengtssoni (Ågren, 1904)
- Dens without distinct swelling......................................................................... 10
10. Mucro short and slender with low outer lamella............................................................ 11
- Mucro spoon shaped, broad at the tip with clear outer lamella................................................. 12
11. Abd. IV without setae p 3, apical vesicle on Ant. IV trilobed, eversible sac between Ant. III and IV present, 20–23 granules between macrosetae p 1 on Abd. V........................................................ C. ainu (Yosii, 1972)
- Abd. IV with setae p 3, apical vesicle on Ant. IV simple, eversible sac between Ant. III and IV absent, 8–10 granules between macrosetae p 1 on Abd. V........................................................ C. gracilimucronata sp. nov.
12. Tibiotarsal tenent hairs more or less clearly clavate......................................................... 13
- Tibiotarsal tenent hairs acuminate....................................................................... 16
13. Tibiotarsi I–III with one clavate tenent hair............................................................... 14
- Tibiotarsi I–III with two or three clavate tenent hairs........................................................ 15
14. Ant. IV with simple apical vesicle.................................................... C. sigillata (Uzel, 1891)
- Ant. IV with trilobed apical vesicle.............................................. C. dolsana (Lee & Kim, 1995)
15. Tibiotarsi Ⅰ–III with 2 clavate tenent hairs........................................ C. biclavata Park & Park, 2006
- Tibiotarsi Ⅰ–III with 3 clavate tenent hairs................................................ C. fujisana Itoh, 1985
16. Spine-like setae on dorsal part of the body present.......................................................... 17
- Spine-like setae on dorsal part of the body absent.......................................................... 18
17. Setae c 3, g 2, g 3, l 0, l 2 on head, setae p 1 and p 3 on Th. II–III and p 1 on Abd. I–III spine-like.......... C. ateruii Tamura, 2001
- Spine-like setae present only on head in positions oc 2 and v 2 ..................... C. wrayia (Uchida & Tamura, 1968)
18. Anal spines short (ratio: anal spines/claws III = 0.4), claws without inner tooth, Abd. I with microsensillum in position p 7................................................................................ C. sakayorii Tamura, 1997
- Anal spines longer, claws with inner tooth, Abd. I without microsensillum in position p 7 ............................ 19
19. Dens with unmodified setae only....................................................................... 20
- Dens with at least 2 modified setae...................................................................... 21
20. Th. II with setae a 2 subequal with a 1 .......................... C. laricis Martynova, 1977 in Martynova et al. (1977)
- Th. II with setae a 2 longer than a 1 ................................................. C. sinetertiaseta (Lee, 1974)
21. Abd. IV with setae p 3.............................................................. C. armata (Nicolet, 1842)
- Abd. IV without setae p 3 .............................................................................. 22
22. Ant. IV with simple apical vesicle and up to 20 peg-like sensilla in ventral file.......................................................................................... C. borealis Martynova, 1977 in Martynova et al. (1977)
- Ant. IV with trilobed apical vesicle and at least 30 peg-like sensilla in ventral file................................. 23
23. Ant. IV with 30–32 peg-like sensilla in ventral file.......... C. skarzynskii Weiner & Sun, 2019 in Weiner et al. (2019)
- Ant. IV with more than 50 peg-like sensilla in ventral file................................. C. denisana (Yosii, 1956)
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Scientific name authorship
- Nicolet
- Kingdom
- Animalia
- Phylum
- Arthropoda
- Order
- Poduromorpha
- Family
- Hypogastruridae
- Genus
- Ceratophysella
- Species
- armata
- Taxon rank
- species
- Taxonomic concept label
- Ceratophysella armata (Nicolet, 1842) sec. Jia, Zhao, Skarżyński, Wu, Cheng & An, 2024
References
- Babenko, A. B., Chernova, N. M., Potapov, M. B. & Stebaeva, S. K. (1994) Collembola of Russia and adjacent countries. Family Hypogastruridae. Nauka, Moscow, 336 pp.
- Christiansen, K. & Bellinger, P. (1995) The biogeography of Collembola. Polskie Pismo Entomologiczne, 64, 279 - 294.
- Bellinger, P., Christiansen, K. & Janssens, F. (1996 - 2024) Checklist of the Collembola of the World. http: // www. collembola. org (accessed 2 January 2024)
- Lin, S. & Xia, F. (1983) A new species of the genus Ceratophysella (Collembola: Hypogastruridae). Acta Entomologica Sinica, 26, 426 - 427.
- Lee, B. - H. (1974) Etude de la faune Coreenne des insectes collemboles II. Description de quatre especes nouvelles de la famille Hypogastruridae. Nouvelle Revue dʼEntomologie, 4, 89 - 102.
- Nakamori, T., Ichisawa, K., Pham, H. N. & Terashima, Y. (2020) A new species of the genus Ceratophysella (Collembola: Hypogastruridae) and the first record of Ceratophysella liguladorsi from Japan. Edaphologia, 106, 11 - 18.
- Yosii, R. (1954) Springschwanze des Oze-Naturschutzgebietes. Scientific Researches of the Ozegahara Moor, 1954, 777 - 830.
- Stach, J. (1964) Materials to the knowledge of Chinese Collembolan fauna. Acta zoologica cracoviensia, 9, 1 - 26.
- Nakamori, T. (2023) A new species of the genus Ceratophysella (Collembola: Hypogastruridae) from Iriomote Island, Japan. Edaphologia, 113, 115 - 120.
- Agren, H. (1904) Lapplandische Collembola. Arkiv Foer Zoologi, 2 (1), 1 - 30.
- Yosii, R. (1972) Collembola from the alpine region of Mt. Poroshiri in the Hidaka Mountains, Hokkaido. Memoirs of the National Science Museum Tokyo, 5, 75 - 99.
- Uzel, J. (1891) Monographie der Tysanuren Bohmens. Sitzugsberichte der Koniglische Bohmischen Gesellschaft der Wissenschaften, mathematisch. - naturwissenschaftliche classe, 2, 3 - 82.
- Lee, B. - H. & Kim, J. T. (1995) Two new species of Collembola (Insecta) from Korea. Korean Journal of Entomology, 25, 135 - 138
- Park, K. H. & Park, N. Y. (2006) Two new species of Ceratophysella from Korea. Florida Entomologist, 89 (4), 489 - 496. https: // doi. org / 10.1653 / 0015 - 4040 (2006) 89 [489: TNSOCC] 2.0. CO; 2
- Itoh, R. (1985) A new species of the genus Hypogastrura (Collembola, Hypogastruridae) from Mt. Fuji. Edaphologia, 34, 11 - 14.
- Tamura, H. (2001) Collembola of the central region of the Ou Mountains, northeast Japan II. A new species of the subgenus Ceratophysella from Mt. Yakeishi (Hypogastruridae: Hypogastrura). Edaphologia, 68, 11 - 14.
- Uchida, H. & Tamura, H. (1968) Descriptions and Records of Collembola from Hokkaido II. Kontyu, 36 (4), 341 - 351.
- Tamura, H. (1997) Two new species of the genus Hypogastrura from Mt. Tsukuba, Central Japan (Collembola: Hypogastruridae). Edaphologia, 59, 11 - 16.
- Martynova, E. F., Berman, D. I. & Chelnokov, V. G. (1977) n. k. In: Components of biogeocoenoses of tundra forests of the Northern Okhotomotiya. s. n., Vladivostok, pp. 102 - 132.
- Nicolet, H. (1842) Recherches pour servir a l'histoire des podurelles. Neue Denkschriften der Allgemeinen Schweizerischen Gesellschaft fur die Gesammten Naturwissenschaften, 6 (3), 1 - 88.
- Weiner, W. M., Xie, Z., Li, Y. & Sun, X. (2019) Ceratophysella species from mushrooms in China (Collembola, Hypogastruridae). Zookeys, 822, 67 - 77. https: // doi. org / 10.3897 / zookeys. 822.30880
- Yosii, R. (1956) Monografie zur hohlenfauna Japans. Contributions from the Biological Laboratory Kyoto University, 3, 1 - 109.