WordWeb Online

1. Any of various large usually brown North American leaf-eating beetles common in late spring; the larvae feed on roots of grasses etc.
   - June beetle, June bug, May beetle
    
2. Any of various large European beetles destructive to vegetation as both larvae and adult
   - cockchafer, May beetle, Melolontha melolontha

Derived forms: May bugs

Type of: melolonthid beetle, scarabaean, scarabaeid, scarabaeid beetle

Part of: genus Melolontha, Melolontha

Encyclopedia: May bug