Popillia japonica Scorecard

Species:  Popillia japonica

Common Name:  Japanese beetle

Scorecard created on
Last Updated on

Results

Impact Total:18 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:18 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:

Impact

SpreadNotesScore
Spread RateGood fliers.5
Spread AmountBroad host range (grapes and roses are key hosts but list is long).5
DamageNotesScore
EcologicalSome non-ag species can be impacted. Increased insecticide usage would result to manage this pest if it established - this could threaten environmental quality.2
AgriculturalSerious pest of several key crops - grapes; adults are defoliators, larvae are root-feeders.5
Infrastructure0
CulturalHome gardens and ornamentals.1
Health0
BenefitNotesScore
Ecological0
Agricultural0
Infrastructure0
Cultural0
Health0
Total18

Ability to Respond

Ease of ResponseNotesScore
DetectionEggs and larvae are difficult to detect - in or on soil. Statewide detection trapping program occurs each year with past success at early detection.4
ControlCould become widespread very quickly. CDFA has successfully eradicated past incipient infestations though very costly and will be very difficult to eradicate if not detected very early.1
Tools in PlaceNotesScore
EntryA-rated pest from CDFA. Strong quarantine restrictions against infested areas (East Coast US) plus aircraft inspection program from infested areas.5
ControlA-rated pest from CDFA, a good pheromone exists for sampling.5
OutreachA fairly well-known pest U.S. wide.3
Total18