Galumnella Berlese 1916
Creators: name: Kolesnikov, Vasiliy B.
name: Leonov, Vladislav D.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Sarcoptiformes
Galumnellidae
Galumnella

description: Key to known species of Galumnella from Asia and New Guinea
For the Asian region, 18 species have been described (Corpuz-Raros & Ermilov 2020; Subías 2022), and one Madagascan species, G. pauliani Balogh, 1961, has additionally been recorded for Vietnam (Vu et al. 2014).
1 Notogaster without network pattern....................................................................... 2
- Notogaster with network pattern......................................................................... 4
2 Posterior edge of notogaster with two small notches, body size: 380 × 290............................................................................... G. pauliani Balogh, 1960. Distribution: Madagascar (type locality), Vietnam.
- Posterior edge of notogaster rounded, without two small notches................................................ 3
3 Prodorsum with two large teeth laterally; rostrum elongate, its length exceeds half the length of the prodorsum from its base to the level of the lamellar setae; body size: 464–457 × 348–398.. G. tiunovi Ermilov & Anichkin, 2013. Distribution: Vietnam.
- Prodorsum without two large teeth laterally; rostrum shorter than half the length of the prodorsum from its base to the level of the lamellar setae; body size: 400–416 × 288–256............. G. indica Balakrishnan, 1989. Distribution: India (Kerala).
4 Prodorsum with network pattern or irregular rugae.......................................................... 5
- Prodorsum without network pattern or irregular rugae........................................................ 9
5 Anterior half of prodorsum and marginal area of pteromorphs with irregular rugae; body size: 415–460 × 305–370...................................................................... G. angustifrons Aoki, 1970. Distribution: Japan.
- Anterior half of prodorsum and marginal area of pteromorphs without irregular rugae............................... 6
6 Pteromorphs without network pattern; posterior edge of notogaster corrugated; body size: 381–398 × 265–282........................................... G. parageographica Ermilov et Kalúz, 20131. Distribution: India (Arunachal Pradesh).
- Pteromorphs with network pattern........................................................................ 7
7 Interlamellar ridge on prodorsum present, distinct; adanal seta ad 3 located anterolateral to anal aperture; postanal porose area absent; body size: 381–398 × 265–282.................................... G. subiasi sp. nov. Distribution: Vietnam.
- Interlamellar ridge on prodorsum absent; adanal seta ad 3 paraanal; postanal porose area present....................... 8
8 Lamellar seta setiform; rostrum projecting, but not strongly narrowed anteriorly; postanal porose area small; body size: 374– 415 × 299–327...................... G. geographica Mahunka, 1995. Distribution: Borneo (type location) and Vietnam.
- Lamellar setae alveolar; rostrum strongly narrowed anteriorly; postanal porose area very small; body size: 302–355 × 242– 288............................................ G. pulchella (Aoki & Hu, 1993). Distribution: China and Vietnam.
9 Pteromorphs with network pattern....................................................................... 10
- Pteromorphs without network pattern.................................................................... 14
10 Bothridial seta setiform; body size: 348–381 × 265–282... G. microporosa Ermilov & Anichkin, 2011. Distribution: Vietnam.
- Bothridial setae with head dilated unilaterally.............................................................. 11
11 Bothridial setae smooth............................................................................... 12
- Bothridial setae barbed................................................................................ 13
12 Pteromorphs with large foveolae; postanal porose area present; body size: 275 × 195................................................................................... G. cellularis Balogh & Mahunka, 1967. Distribution: Vietnam.
- Pteromorphs with microfoveolae; postanal porose area absent; body size: 350–410 × 260–280.................................................................... G. nonporosa Liang, Yang, Ren & Q. Zheng, 2019. Distribution: China.
13 Tarsi with one claw; notogaster with polygonal network pattern; body size: 370–450 × 280–320................................................................. G. sidorchukae Liang, Yang, Ren & Q. Zheng, 2019. Distribution: China.
- Tarsi with two claws; notogaster with irregular network pattern; body size: 294–316 × 223–240....................................................... G. (Bigalumnella) csavasorum (Mahunka, 1994). Distribution: Thailand and Vietnam.
14 Interlamellar ridge on prodorsum present................................................................. 15
- Interlamellar median ridge on prodorsum absent or poorly visible.............................................. 16
15 Bothridial setae barbed; ventral shield without longitudinal ridge; body size: 298 × 235........................................................................................ G. woschitzi Balogh, 1970. Distribution: New Guinea.
- Bothridial setae smooth; ventral shield with longitudinal ridge; body size: 398–431 × 282–315.................................................................. G. quezonensis Ermilov & Corpuz-Raros, 2017. Distribution: Philippines.
16 Bothridial setae short, with strongly swollеn hеad; body size: 280–300 × 220–230........................................................................................ G. okinawana Aoki, 2009. Distribution: Japan and Taiwan.
- Bothridial setae long, with lanceolate head or setiform, barbed or smooth........................................ 17
17 Bothridial setae smooth; anterior margin of ventral shield with triangular projection; body size: 280–300 × 220–230.................................................... G. processa Ermilov & Corpuz-Raros, 2017. Distribution: Philippines.
- Bothridial setae barbed; anterior margin of ventral shield without triangular projection............................. 18
18 Prodorsum with a dorsal longitudinal ridge and lateral tooth-like projections; anterior tectum of epimere I well developed, forming trapezoidal and distally slightly concave anterior ledge; lines L and S distally divergent; barbs on bothridial seta same length; body size: 315–381 × 249–298.. G. junichiaokii Ermilov, Corpuz-Raros & Shimano, 2014. Distribution: Philippines.
- Prodorsum without a dorsal longitudinal ridge and lateral tooth-like projections; anterior tectum of epimere I absent; lines L and S parallel; barbs on bothridial seta longer at the base of the head and gradually shorten towards its end; body size: 315–436 × 249–336............. G. nipponica Suzuki & Aoki, 1970 (see also Fujikawa et al. 2006). Distribution: Japan and Vietnam.
description: Published as part of Kolesnikov, Vasiliy B. & Leonov, Vladislav D., 2024, A new species of Galumnella (Acari, Oribatida, Galumnellidae) from Vietnam, pp. 242-251 in Zootaxa 5556 (1) on page 250, DOI: 10.11646/zootaxa.5556.1.18, http://zenodo.org/record/14595171