Bug Identifier
White Grub (Scarab Beetle Larva)
Community identification

White Grub (Scarab Beetle Larva)

Phyllophaga spp.

Order & Family
Order: Coleoptera; Family: Scarabaeidae
Size
20 mm to 40 mm (varies by species and developmental stage)
See this bug in the Encyclopedia

Natural Habitat

Found in soil, particularly beneath grassy lawns, pastures, and garden beds rich in organic matter.

Diet & Feeding

Primarily feeds on the roots of grasses and ornamentals, occasionally consuming decomposing organic matter in the soil.

Behavior Patterns

C-shaped larvae that spend 1 to 3 years underground before pupating into adult beetles; they move vertically through the soil profile based on seasonal temperatures.

Risks & Benefits

Significant lawn and garden pest that causes patches of dead grass; beneficial to the ecosystem as a food source for birds and small mammals, and by aiding in soil aeration.