TIL calling beetles by the month they appear in is a mess. In Europe, may beetles are Melolontha, june beetles are Amphimallon (or Mimela), july beetles are Anomala (at least in German). Rhizotrogus is also in the mix, but didn’t get a month assigned.

But then in North America, there are different genera for each month. Phyllophaga in may, Cotinis and Polyphylla in june, none in july…