New records of beetles from families Haliplidae, Dytiscidae, Hydraenidae, Helophoridae, Hydrophilidae, Scirtidae and Chrysomelidae (Coleoptera) from the North Caucasus

Prokin, A.A., Sazhnev, A.S. (2019): New records of beetles from families Haliplidae, Dytiscidae, Hydraenidae, Helophoridae, Hydrophilidae, Scirtidae and Chrysomelidae (Coleoptera) from the North Caucasus. Caucasian Entomological Bulletin 15 (1): 49-53, DOI: 10.23885/181433262019151-4953, URL: http://dx.doi.org/10.23885/181433262019151-495