The Commission has conserved the name Phyllotreta undulata (Kutschera, 1860) for a common and wide spread flea-beetle species (chrysomelidae, galerucinae), by giving it precedence over the unused older name P. bivittata (Waterhouse, 1838), whenever these names are considered to be synonyms.
Haltica undulata Kutschera, 1860 (currently Phyllotreta undulata, Insecta, Coleoptera, chrysomelidae): precedence given over Halticabivittata Waterhouse, 1838 (currently Phyllotreta bivittata)," The Bulletin of Zoological Nomenclature 72(1), 84-85, (1 March 2015). https://doi.org/10.21805/bzn.v72i1.a2