''Tectosternum'' is a genus of

water scavenger beetle Hydrophilidae, also known colloquially as water scavenger beetles, is a family of beetles. Aquatic hydrophilids are notable for their long maxillary palps, which are longer than their antennae. Several of the former subfamilies of Hydrophilidae ...

s in the family Hydrophilidae. There is one described species in ''Tectosternum'', ''T. naviculare''.

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Further reading