Helochares pallens ( MacLeay, 1825 )

Hendrich, Lars & Balke, Michael, 2004, Aquatic Coleoptera Of Singapore: Species Richness, Ecology And Conservation #, Raffles Bulletin of Zoology 52 (1), pp. 97-145 : 128

publication ID

https://doi.org/ 10.5281/zenodo.13244881

persistent identifier

https://treatment.plazi.org/id/03D687B7-A730-FFBA-39E2-F83FBC754B49

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scientific name

Helochares pallens ( MacLeay, 1825 )
status

 

Helochares pallens ( MacLeay, 1825) View in CoL

( Fig. 29 View Figs )

Enhydrus pallens MacLeay, 1825: 140 View in CoL .

Helochares lewisius Sharp, 1873: 60 View in CoL . Helochares dispar Sharp, 1903: 7 View in CoL . Enochrus pallens ( MacLeay, 1825) - Knisch, 1924b: 211. Helochares pallens ( MacLeay, 1825) View in CoL - d’Orchymont, 1932: 688;

Fernando, 1961: 23; 1964: 82, 86; Yano et al., 1983a: 20;

Hebauer, 1995b: 7; Hansen, 1999: 162, and references therein.

Material examined. – 3 specimens – Sungai Buloh – 2 ex., fish pond, 15 Nov.1990, coll. ZRC staff ( ZRC). Other areas - 1 ex., Lorong Banir, Pond 2, 16 Jun.1995, 191, coll. H. K. Lua et al. ( ZRC) .

Distribution. – Widespread in the Afrotropical, Oriental and Australasian realms (d’Orchymont, 1932; Hebauer, 1995b; Hansen, 1999). Singapore!

Ecology. – A lentic species living in very shallow water at the edge of exposed, well-vegetated, mostly temporary pools, puddles and slow-flowing ditches, in primary and cultivated areas. In other parts of Southeast Asia the species was also collected in paddy fields ( Yano et al., 1983a). The species has been recorded at ligh (d’Orchymont, 1927; Fernando, 1961)

Fernando, C. H., 1961. Notes on Aquatic Insects caught at Light in Malaya with a Discussion of their Distribution and Dispersal. Bulletin of the National Museum, Singapore, 32 (1963): 80 - 90.

Fernando, C. H., 1964. Notes on aquatic insects colonizing an isolated pond in Mawai, Johore. Bulletin of the National Museum, Singapore, 30: 19 - 31.

Hansen, M., 1999. Hydrophiloidea (s. str.) (Coleoptera). In: World Catalogue of Insects Volume 2. Apollo Books, Stenstrup, Denmark, 416 pp.

Hebauer, F., 1995 b. Neues zu den Acidocerina Hansen (Helocharae d'Orchymont) der indomalaiischen Region (Coleoptera, Hydrophilidae). Acta Coleopterologica, 11 (3): 3 - 14.

Knisch, A., 1924 b. Hydrophilidae. In: Junk, W. & S. Schenkling (eds.), Coleopterorum Catatalogus, Berlin, 79: 1 - 306.

MacLeay, W. S., 1825. Annulosa Javanica, or an Attempt to Illustrate the Primary Affinities and Apologies of the Insects collected in Java by T. Horsfield. Vol. I. London, XII + 150 pp.

Sharp, D., 1873. The water beetles of Japan II. Transactions of the Entomological Society of London, 1: 45 - 67.

Sharp, D., 1903. Coleoptera Hydrophilidae. Results of the Swedish Zoological Expedition to Egypt 1901, 10: 5 - 7.

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.

Gallery Image

Figs. 24-30. 24. Cybister sugillatus Erichsin, 1834 (Fam. Dytiscidae, 22.0 mm); 25 Hydrocanthus indicus Wehncke, 1876 (Fam. Noteridae, 4.5 mm); 26. Spercheus stangli Schwarz & Barber, 1917 (Fam. Spercheidae, 4.2 mm); 27. Berosus fairmairei Zaitzev, 1908 (Fam. Hydrophilidae, 4.5 mm); 28. Amphiops mater sumatrensis (Sharp, 1873) (Fam. Hydrophilidae, 3.5 mm); 29. Helochares pallens (MacLeay, 1825) (Fam. Hydrophilidae, 3.1 mm);30. Hydrophilus cavisternum Bedel, 1891 (Fam. Hydrophilidae, 32.0 mm).

ZRC

Zoological Reference Collection, National University of Singapore

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Hydrophilidae

Genus

Helochares