Dictionary
June' bug"
1. Also called
May beetle. any of several large, brown beetles of the genus
Phyllophaga, of the scarab family, appearing in late spring and early summer.
2. See
green June beetle.
3. Chiefly Northern and North Midland U.S.a firefly.
Also,June'bug".Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.