Two-Banded Japanese Weevil

**Two-Banded Japanese Weevil (Pseudocneorhinus bifasciatus)**

Adults are 3/16” long, round, and brown to gray with two dark bands across the wing covers
Wing covers have white stripes in the grooves, and white spots and two dark brown stripes towards the back. Wings are fused and flightless.
Eggs are small, cream colored, and elongated, usually found within a folded blade of grass or leaf
Larvae are white, legless, and ¼” long
When eggs hatch, larvae burrow into the soil and feed on roots
Will drop to the ground and remain motionless if disturbed
Overwinters in leaf litter as adults and remains until summer
One generation per year
Adults cause leaf notching damage on lower leaves in late July
Notches deeper & closer to the leaf mid-rib, & feeds during the day
Larvae feeding on roots causes stunted growth and decline in plant health
Host plants: Shrubs – privet, azalea, rhododendron, mountain laurel,
euonymus, etc.

Natural predators: spiders, birds, parasitic fungi, nematodes
Handpick and dispose of visible weevils
Trap or monitor for adults by laying a white sheet under the shrub and shaking the branches
Destroy trapped weevils by dropping them into soapy water or freezing them

Contact insecticides:
- Pyrethroids [3]: -thrins
Systemic insecticides:
- Organophosphates [1B]: Acephate
- Neonicotinoids [4A]: Imidacloprid, acetamiprid
Considerations:
- Resistant to carbaryl [1A]
- Will harm non-target species