[june bug] n, often cap J (1829): any of numerous rather large leaf-eating scarab beetles (subfamily Melolonthinae) that fly chiefly in late spring and have larvae that are white grubs which live in soil and feed chiefly on the roots of grasses and other plants--called also june beetle
JUNE BUG
Meaning of JUNE BUG in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012