grub worm in farmer's hand. pest in the vegetable garden of grub worm. many white chafer grub

39aph39 background bait beetle bug chafer close cockchafer control damage danger farmer food future garden gardening grub hand horticulture insect insects invertebrate larva larvae may maybug melolontha organic parasite pest protein rhinoceros root s scarab soil source swarm vegetable white wildlife worm worms young