Agelastica alni
 The alder leaf beetle Agelastica alni is a species of leaf beetle (Chrysomelidae) in the genus Agelastica. Agelastica alni is distributed in Europe the Caucasuses Siberia north-eastern Kazakhstan and in the 19th century was introduced to the USA (Kolk & Starzyk 1996).Previously rare it now appears to be on the increase in the Northwest.