Ability to Respond Total:19 / 25Ability to Respond = ( Ease of Response + Tools in Place )
Confidence:High
Confidence Notes:
Impact
Spread
Notes
Score
Spread Rate
Beetles are capable of flight, one generation per year which helps to limit population growth. The adults overwinter in protected areas so that opens up the possibility to hitchhike in RVs, rolled leaves, beehives, etc.
4
Spread Amount
Native to Asia, Europe and N. Africa; first found in US in MI early 1960's, Canada soon after; since 1979, slowly expanded range to most states east of the Mississippi. Mid-1980's, found in UT then MT and ID. CA conditions should be conducive to survival.
4
Damage
Notes
Score
Ecological
Increased insecticide usage would result to manage this pest if it established - this would threaten environmental quality
1
Agricultural
Feeds on all cereals; barley, wheat, oats, rye, corn and wild grasses and can inflict significant damage
4
Infrastructure
0
Cultural
0
Health
0
Benefit
Notes
Score
Ecological
0
Agricultural
0
Infrastructure
0
Cultural
0
Health
0
Total
13
Ability to Respond
Ease of Response
Notes
Score
Detection
During the growing season, the adults and larvae are fairly easy to visually detect.
4
Control
Biological control of this pest was heavily investigated upon its arrival to the US, much progress was made in this area, chemical insecticides are an option.
3
Tools in Place
Notes
Score
Entry
A-rated pest from CDFA.
5
Control
A-rated pest from CDFA.
5
Outreach
Some outreach efforts are underway in CA; significant activity throughout the US in the last 50 years.
