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Review of Nilodosis Kieffer (Diptera: Chironomidae: Chironominae), with description of a new species from South China

HONGQU TANG, PETER S. CRANSTON

Abstract


The male, female and pupa of Nilodosis austrosinensis Tang & Cranston, sp. n., reared from 2 reservoirs of south China, are described. The male can be separated from congeners by the presence of few squamal setae, a relatively long spur on the mid– and hind legs, a characteristic superior volsella and distinctive pattern of all legs. The female can be separated by features of genitalia, namely the absence of a ventrolateral lobe and the dorsomesal lobe with the apex usually curved. The pupa is separable by a bare tergite VIII and by characteristic spinulation of the sternites. The generic diagnosis is emended and some problems alluded to. This is the first formal record of Nilodosis from the Oriental region, indeed the first outside the Afrotropical region.

 


Keywords


Diptera, Nilodosis, South China, pupa, new species

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References


Cranston, P.S. (1996) Identification guide to the Chironomidae of New South Wales. Australian Water Technologies Pty Ltd, West Ryde, NSW. AWT Identification Guide, 1, 1–376.

Cranston, P.S. & Hare, L. (1995) Conochironomus Freeman: an Afro-Australian Chironomini genus revised (Diptera: Chironomidae). Systematic Entomology, 20, 247–264.
https://doi.org/10.1111/j.1365-3113.1995.tb00096.x

Cranston, P.S. & Nolte, U. (1996) Fissimentum, a new genus of drought-tolerant chironomini (Diptera: Chironomidae) from the Americas and Australia. Entomological News, 107, 1–15.

Cranston, P.S., & Spies, M. (1999) The immature stages and phylogenetic position of Nilodosis Kieffer, an Afrotropical genus of Chironomini (Diptera: Chironomidae). African Entomology, 7, 249–259.

Freeman, P. (1957a) Chironomidae (Diptera, Nematocera). Imagines. Résultats Scientifiques. Exploration Hydrobiologique des Lacs Kivu, Édouard et Albert, 3, 205–221.

Freeman, P. (1957b) A study of the Chironomidae (Diptera) of Africa south of the Sahara. Part III. Bulletin of the British Museum Natural History (Entomology), 5, 323–426.
https://doi.org/10.5962/bhl.part.1515

Kieffer, J.J. (1921) Chironomides de l’Afrique Equatoriale (1re partie). Annales de la Société Entomologique de France, 90, 1–56.

Kitagawa, N. (1997) Chironomid larvae from Kiso River – twenty species of larvae collected at near Nohbi Ohashi Bridge. Tansuiseibutsu (Freshwater Biology), 74, 77–99. [In Japanese]

Kitagawa, N. (2001) Taxonomic studies on Chironomid larvae (3). Tansuiseibutsu (Freshwater Biology), 81, 1–7. [In Japanese]

Sæther, O.A. (1977) Female genitalia in Chironomidae and other Nematocera: morphology, phylogenies, keys. Bulletin of the Fisheries Research Board of Canada, 197, 1–204.

Sæther, O.A. (1980) Glossary of chironomid morphology terminology (Diptera: Chironomidae). Entomologica Scandinavica, Supplement, 16, 1–51.

Sasa, M. (1989) Chironomid midges of some rivers in Western Japan. Part 5. Chironomid species collected from Naka and Kachiura River, Tokushima. Research Report of Toyama Prefectural Environment Pollution Research Centre, 1989, 69–74.

Tang, H.Q. & Yamamoto, M. (2012) Descriptions of four larval forms of Nilodosis Kieffer from East Asia. Fauna norvegica, 31, 205–213.
https://doi.org/10.5324/fn.v31i0.1406

Ueno, R., Nohara, S. & Kato, H. (2001) Distribution of chironomids in the littoral zone of Lake Towada. Research Report of National Institute Environment Study, Japan, 167, 99–101.

Yamamoto, M. (2014) Family Chironomidae. In: Editorial Committee of Catalogue of the Insect of Japan (Ed.), Catalogue of the Insects of Japan. Vol. 8. Diptera Part 1. Nematocera – Brachycera Aschiza, The Entomological Society of Japan, Touka Shobo Publisher, Fukuoka, pp. 237–362.




DOI: http://dx.doi.org/10.11646/zootaxa.4353.2.5

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Published by Magnolia Press, Auckland, New Zealand