Conotrachelus retentus scorecard

2397
Contributor(s):
Impact
SpreadNotesScore
Spread Rate Larvae of this pest can move within infested nuts, the adults are not very mobile. 2
Spread Amount Found in the eastern US from Missouri eastward. 5
DamageNotesScore
Ecological Increased insecticide usage would result to manage this pest if it established - this would threaten environmental quality; could also impact seed production in walnuts in natural settings. 3
Agricultural Reported as a pest of black walnut; other walnut types would also likely be damaged, larvae infest the nuts and cause nut drop. 3
Infrastructure 0
Cultural 0
Health 0
BenefitNotesScore
Ecological 0
Agricultural 0
Infrastructure 0
Cultural 0
Benefit Health 0
Ability to Respond
Ease of ResponseNotesScore
Detection Inspection of nuts is the best way to detect the larvae, adults can be sampled by banding trees and with non-pheromone traps but these methods would only be effective locally; adult feeding and larval infestation leave signs that can be observed. 3
Control Well-timed insecticide applications made to commercial walnuts are commonly used. 3
Tools in PlaceNotesScore
Entry A-rated pest from CDFA. 5
Control A-rated pest from CDFA. 5
Outreach Knowledge of this pest is high within the potentially affected industry; widespread outreach is lacking. 2
Scorecard Totals
Impact Total:
13
[Impact] = ([Spread] + [Damage] - [Benefit])
Ability to Respond Total:
18
[Ability to Respond] = ([Ease of Response] + [Tools in Place])
Confidence
Confidence:  medium
Notes: