A new species of the Australian genus Necterosoma from Timor (Coleoptera: Dytiscidae: Hydroporini)

Pages 65-74
Acta Entomologica Musei Nationalis Pragae | 2013/53/1

Necterosoma timorense sp. nov. is described from a forest reserve at Mt. Mutis, West Timor. It is the third species of Necterosoma W. J. Macleay, 1871 found outside of Australia. Necterosoma timorense sp. nov. can be distinguished from all hitherto known species by the more robust and broader body, the distinct subhumeral expansion of female elytra, and the form of male genitalia. The new species is lotic, being collected from small pools of an intermittent stream, partly shaded by eucalypt forest. Altogether 12 species of Necterosoma are now described.

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