Helichus

Life-forms

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Coleopterida
Ordo: Coleoptera
Subordo: Polyphaga
Infraordo: Elateriformia
Superfamilia: Byrrhoidea

Familia: Dryopidae
Genus: Helichus
Species: H. cordubensis – H. crenulatus – H. haraldi – H. lareynioides – H. tenuis – H. ussuriensis
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Name

Helichus Erichson, 1847

Primary references

Erichson 1847: Nat. Ins. Dtschl., (Col. 1) 3, 510.

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]
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,[3] c = Catalogue of Life,[4] g = GBIF,[5] b = Bugguide.net[6]
References

"Heilchus Erichson, 1847". Integrated Taxonomic Information System. Retrieved October 27, 2011.
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.
"Helichus Report". Integrated Taxonomic Information System. Retrieved 2018-04-21.
"Browse Helichus". Catalogue of Life. Retrieved 2018-04-21.
"Helichus". GBIF. Retrieved 2018-04-21.
"Helichus Genus: Information". BugGuide.net. Retrieved 2018-04-21.