Published December 31, 2004 | Version v1

Canthydrus morsbachi

Description

Canthydrus morsbachi (Wehncke, 1876)

Hydrocanthus morsbachi Wehncke, 1876: 222.

Canthydrus morsbachi (Wehncke) - Sharp, 1882: 276; Régimbart, 1899: 247; Zimmermann, 1920: 12, 1928: 2; Vazirani, 1968: 232; 1977: 7; Yano et al., 1983a: 16.

Material examined. – 165 specimens – Central catchment area - 1 ex., SICC, Sime Rd., MacRitchie Forest, plot 22, 7 May.1993, NS 72, coll. T.W. Koh et al. (ZRC). Sungai Buloh - 3 ex., 15 Nov.1990, coll. C. M. Yang & K. L. Yeo (ZRC); 6 ex., shallow pool no. 3, 4 Dec.1990, coll. C. M. Yang & K. L. Yeo (ZRC); 4 ex., pond, 34e, 16 Jan.1991, coll. C. M. Yang et al. (ZRC); 6 ex., 10 Apr.1991, 34b, coll. C. M. Yang (ZRC); 43 ex., fish pond, H.R. light trap, 10 Jul.1992, y 804, coll. K. Lim (ZRC); 78 ex., fish pond, 5 Dec.1996, coll. L. Hendrich (CBH, ZRC). Other areas - 1 ex., Pasir Ris Mangrove, at light, 14 Nov.1989, coll. Y.H. Koo & K. Lim (ZRC); 16 ex., Fish pond near Kranji, Turut Track off New Tiew Road, 10 Oct.1990, coll. C. M. Yang et al. (ZRC); 2 ex., Neo Tiew Road, Turat track, 27 Nov.1990, ZRC.6., coll. K. L. Yeo (ZRC); 2 ex., Lorong Banir, pond 1, 16 Jun.1995, NS 190, coll. C. M. Yang & H. K. Lua (ZRC); 3 ex., pond 1, 28 Apr.1997, coll. M. Balke & L. Hendrich (CBH).

Distribution. – Cambodia, India, Indonesia [Sumatra], Myanmar, Singapore, Vietnam. An African [Congo] report needs to be confirmed (Vazirani, 1977).

Ecology. – An inhabitant of shallow, muddy water of open or semi-shaded, more permanent swamps and artificial ponds (e.g., fish ponds and paddy fields)(see Yano et al., 1983a). The habitat must be rich in rotten leaves and submerged plants. The species also occurs in brackish waters of coastal and mangrove swamps (e.g., Sungai Buloh Nature Park and Pasir Ris Mangrove).

Notes

Published as part of Hendrich, Lars & Balke, Michael, 2004, Aquatic Coleoptera Of Singapore: Species Richness, Ecology And Conservation #, pp. 97-145 in Raffles Bulletin of Zoology 52 (1) on page 108, DOI: 10.5281/zenodo.13244881

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Linked records

Additional details

References

  • Wehncke, E., 1876. Zehn neue Hydrocanthus - Arten. Deutsche Entomologische Zeitschrift, 20: 221 - 223.
  • Sharp, D., 1882. On aquatic carnivorous Coleoptera or Dytiscidae. Transactions of the Royal Dublin Society, (2) 2: 179 - 1003, pl. 6 - 18.
  • Regimbart, M., 1899. Revision des Dytiscidae de la region indosino-malaise. Annales de la Societe Entomologique de France, 68: 186 - 367.
  • Zimmermann, A., 1920. Dytiscidae. In: Junk, W. & S. Schenkling (eds.), Coleopterorum Catatalogus, Berlin, 4, pars 71, 1 - 326.
  • Zimmermann, A., 1928. Dr. E. Mjoberg's Zoological Collections from Sumatra. 7. Haliplidae und Dytiscidae. Arkiv for Zoologi, 19 A (13): 1 - 6.
  • Vazirani, T. G., 1968. Contribution to the study of aquatic beetles (Coleoptera). 2. A review of the subfamilies Noterinae, Laccophilinae, Dytiscinae and Hydroporinae (in part) from India. Oriental Insects, 2 (3 - 4): 221 - 341.
  • Vazirani, T. G., 1977. Catalogue of Oriental Dytiscidae. Records of the Zoological Survey of India, Occasional Paper, 6: ii + 111 pp.
  • Yano, K., Y. I. Chu & M. Sato, 1983 a. Faunal and biological studies on the insects of paddy fields in Asia. XI. Records on Aquatic Coleoptera from paddy water in the world. Chinese Journal of Entomology, 3 (1): 15 - 31.