Anthonomus grandis grandis Scorecard

Species:  Anthonomus grandis grandis

Common Name:  boll weevil

Scorecard created on
Last Updated on

Results

Impact Total:11 / 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 RateMany generations per year, this insects range will be limited by the range of cotton.3
Spread AmountLays eggs in cotton bolls, it needs cotton to reproduce.2
DamageNotesScore
EcologicalIncreased insecticide usage would result to manage this pest if it established - this could threaten environmental quality.1
AgriculturalThis is the most serious pest affecting cotton in the southeast US., it crippled the industry in the 1920's.5
Infrastructure0
Cultural0
Health0
BenefitNotesScore
Ecological0
Agricultural0
Infrastructure0
Cultural0
Health0
Total11

Ability to Respond

Ease of ResponseNotesScore
DetectionAssociated closely with cotton, detection is achieved using pheromone baited monitoring traps.4
ControlChemical controls exist and are effective. Much is known of the biology and life cycle of the weevils making treatment more effective.3
Tools in PlaceNotesScore
EntryA-rated pest from CDFA.5
ControlA-rated pest from CDFA.5
OutreachA very well-known pest in the US; not much activity in CA but the materials could be easily developed.1
Total18

References