Beetles of the genus Helichus are found worldwide apart from in Australia and Antarctica. Adults reach long and live in aquatic or riparian environments. The larvae are land-dwelling which may be unique in water living insects.
Species These 12 species belong to the genus Helichus:
Helichus basalis LeConte, 1852 i c g b Helichus bollowi Hinton, 1936 g Helichus fastigatus b Helichus fastigiatus (Say, 1824) i c g Helichus frater Hinton, 1939 g Helichus lithophilus (Germar, 1824) i c g b Helichus puncticollis Sharp, 1882 i c g Helichus pusillus Hinton, 1939 g Helichus striatus Leconte, 1852 i c g b Helichus substriatus (Müller, 1806) g Helichus suturalis Leconte, 1852 i c g b Helichus triangularis Musgrave, 1935 i c g
Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net
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