Bayadera bidentata Needham, 1930

Phan, Quoc Toan, Kompier, Tom, Karube, Haruki & Hayashi, Fumio, 2018, A synopsis of the Euphaeidae (Odonata: Zygoptera) of Vietnam, with descriptions of two new species of Euphaea, Zootaxa 4375 (2), pp. 151-190 : 157-158

publication ID	https://doi.org/10.11646/zootaxa.4375.2.1
publication LSID	lsid:zoobank.org:pub:7A4595B8-9FDF-41A9-9C39-A8A4A83FF302
DOI	https://doi.org/10.5281/zenodo.5985003
persistent identifier	https://treatment.plazi.org/id/006F87D3-FFE3-EC1F-B594-F946FA99D14F
treatment provided by	Plazi (2018-01-24 10:32:50, last updated 2024-11-24 23:30:22)
scientific name	Bayadera bidentata Needham, 1930
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Bayadera bidentata Needham, 1930 View in CoL

( Fig. 4a–h View FIGURE 4 )

Bayadera bidentata: Needham (1930) View in CoL , p. 218, pl. r6, Fig. 7 View FIGURE 7 ; Asahina (1956), p. 207, Fig. 4 View FIGURE 4 ; Sui & Sun (1984), pp. 209–211; Davies & Tobin (1984), pp. 22–23; Wilson & Reels (2003), p. 249, Fig. 13 View FIGURE13 ; Hämäläinen (2004), p. 388; Do & Dang (2007), p. 31, distribution map [Specimens from Mt Pia Oac, Cao Bang Prov. and Tam Dao National Park, Vinh Phuc Prov.; first record from Vietnam]; Wilson & Zaifu (2007), pp. 99–101, 120, Fig. 4 View FIGURE 4 ; Zhang (2010), p. 25 (species list).

Materials examined. [ Vietnam] 1♂ 1♀, Xuan Son National Park , Phu Tho Prov., 30.V.2015, T. Kompier leg.

(TKC); 1♂, Tam Dao National Park , Vinh Phuc Prov. , 18.V.2014, T. Kompier leg. (TKC). [ China] 1♀, Zhizhiqu , Zhuangzu , Guangxi Prov. , 2–4.VI.2004, H. Karube leg. ( KPM); 1♀, Nanling, Guandong Prov. , 22–26.VII.2004, Y. Kishida leg. ( KPM); 1♀, Nanling, Guandong Prov., 30.VI.2010, Z. Haomiao leg. ( KPM); 5♂ 5♀, Damingshan, Guangxi Prov., 6–7.VI.2014, F. Hayashi leg. (FHC).

Notes. Male Bayadera bidentata is characterized by an entirely blackish thorax and abdomen ( Fig. 4a View FIGURE 4 ), the lower half of the thorax extensively covered with grey pruinosity in life. Wings are hyaline, very faintly tinged yellow from the base to the level of pterostigma ( Fig. 4e View FIGURE 4 ). Cerci have large spines and two prominent tubercles on inner sides ( Fig. 4b–d View FIGURE 4 ). Yellow markings of the female thorax vary from the relatively poorly marked type in Guangdong Province, China ( Fig. 4f View FIGURE 4 ), to the more extensively marked types in Guangxi Province, China and northern Vietnam ( Fig. 4g View FIGURE 4 ). The tip of female abdomen has one distinct oval spot laterodorsally on S9 ( Fig. 4h View FIGURE 4 ).

Distribution. Vietnam (Cao Bang [ Do & Dang 2007], Phu Tho and Vinh Phuc Provinces), China (Zhejiang, Fujian, Guangdong, Hubei, Guangxi and Sichuan Provinces) ( Wilson & Reels 2003, Hämäläinen 2004).

References

Asahina, S. (1956) Dragonflies of West Tien-Mu-Shan, Central China. Entomologiske Meddelelser, 27, 204 - 228.

Davies, D. A. L. & Tobin, P. (1984) The dragonflies of the world: A systematic list of the extant species of Odonata. Vol. 1. Zygoptera, Anisozygoptera. Societas Internationalist Odonatologica Rapid Communications, 3 (Supplements), 9 - 127.

Do, M. C. & Dang, T. T. H. (2007) Checklist of dragonfly from Vietnam. Vietnam National University Publisher, Hanoi, 182 pp.

Hamalainen, M. (2004) Caloptera damselflies from Fujian (China), with description of a new species and taxonomic notes (Zygoptera: Calopterygoidea). Odonatologica, 33, 371 - 398.

Needham, J. G. (1930) A manual of the dragonflies of China. A monographic study of the Chinese Odonata. Zoologia Sinica, Series A. Invertebrates of China. Volume XI. Fascicle 1. The Fan Memorial Institute of Biology, Peiping, 345 pp., 20 pls., 11 pp.

Sui, J. & Sun, H. (1984) Common species of dragonflies from China. Agriculture Publishing House, Beijing, 328 pp. [in Chinese, English title]

Wilson, K. D. P. & Reels, G. T. (2003) Odonata of Guangxi Zhuang Autonomous Region, China, part 1: Zygoptera. Odonatologica, 32, 237 - 279.

Wilson, K. D. P. & Zaifu, X. (2007) Odonata of Guangdong, Hong Kong and Macau, South China, part 1: Zygoptera. International Journal of Odonatology, 10, 87 - 128, pls. I - VIII.

Zhang, H. (2010) The superfamily Calopterygoidea in South China: taxonomy and distribution. Progress Report for 2009 surveys. IDF - Report, Newsletter of the International Dragonfly Fund, 26, 1 - 36.

Figures

FIGURE 4. Bayadera bidentata. [3a–e] ♂, Tam Dao and [4f–h] ♀. (4a) head and thorax; (4b) appendages, dorsal view; (4c) appendages, ventral view; (4d) appendages, lateral view; (4e) wings; (4f) head and thorax, Guangdong, China; (4g) head and thorax, Guangxi, China, and Vietnam; (4h) abdominal tip.

FIGURE 7. Bayadera hyalina. [7a–f] ♂ and ♀, Yen Bai and [7g–h] ♂ and ♀, Yunnan. (7a) male head and thorax; (7b) appendages, dorsal view, (7c) appendages, lateral view; (7d) appendages, ventral view; (7e) male wings; (7f) female head and thorax; (7g) male head and thorax; (7h) female head and thorax.