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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Superfamily: Byrrhoidea
Family: Dryopidae
Genus: Helichus
Erichson, 1847 [1]

Beetles of the genus Helichus are found worldwide apart from in Australia and Antarctica. Adults reach 1–8 millimetres (0.04–0.31 in) long and live in aquatic or riparian environments. The larvae are land-dwelling which may be unique in water living insects.[2]


  1. ^ "Heilchus Erichson, 1847". Integrated Taxonomic Information System. Retrieved October 27, 2011. 
  2. ^ Gary W. Ulrich (1986). "The larvae and pupae of Helichus suturalis Leconte and Helichus productus Leconte (Coleoptera: Dryopidae)". The Coleopterists Bulletin. 40 (3): 325–335. JSTOR 4008298. 

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