Hydraechus, Stephens, 1839

Stephens, James Francis, 1839, A manual of British Coleoptera, or beetles: containing a brief description of all the species of beetles hitherto ascertained to inhabit Great Britain and Ireland together wth a notice of their chief localities, times and places of appearances, etc, Longman, Orme, Brown, Green, and Longmans : 88

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