Subfamily Limoniinae Speiser, 1909 (Diptera, Limoniidae) from Baltic amber (Eocene): the genus Helius Lepeletier & Serville, 1828 Author Kania, Iwona text Zootaxa 2014 3814 3 333 352 journal article 45540 10.11646/zootaxa.3814.3.2 708ea530-4c8d-473b-8f29-1a54dea92f28 1175-5326 231107 5391C375-896D-4794-84A6-1846DF9E407D Genus: Helius Lepeletier & Serville, 1828 : 831 Type species: Limnobia longirostris Meigen, 1818 : 146 ; by monotypy. Megarhina , Lepeletier & Serville in Latreille et al., 1828: 585. Type species: Limnobia longirostris Meigen, 1818 , by monotypy. Leptorhina Stephens, 1829 : 243 . Type-species: Limnobia longirostris Meigen, 1818 , by monotypy. Rhamphidia Meigen, 1830 : 281 . Type species: Limnobia longirostris Meigen, 1818 , by subsequent designation of Westwood (1840: 129). Remark. For discussion of the commonly used generic name Helius and its interest for nomenclatorial stability see Sabrosky (1999) and Oosterbroek (2014) .