Diaprepes sp. Scorecard

Species:  Diaprepes sp.

Common Name:  exotic weevil

Scorecard created on
Last Updated on

Results

Impact Total:21 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:14 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:Low

Confidence Notes:Since this represents an entire genus, it is difficult to make firm conclusions; there will be some similarities to D.abbreviatus; there are some 6 to 10 other species mostly in Central Amer./Caribbean that could invade and are potentially damaging.

Impact

SpreadNotesScore
Spread RateVery wide host range in ornamental plants. Can be spread through movement of nursery stock from infested areas.5
Spread AmountCan likely infest much of CA.5
DamageNotesScore
EcologicalPlant damage and possible environmental harm due to increase in pesticide use as a result of the presence of this pest.3
AgriculturalMajor nursery crop pest. Many of the other species in this genus have a broader host range and are more damaging than D. abbreviatus.5
Infrastructure0
CulturalPotentially severe landscape and home gardening damage.3
Health0
BenefitNotesScore
Ecological0
Agricultural0
Infrastructure0
Cultural0
Health0
Total21

Ability to Respond

Ease of ResponseNotesScore
DetectionAdults are large and obvious. Larvae are soil-dwelling.2
ControlRequires area wide pesticide treatment program. Entomopathogenic nematodes may have potential.2
Tools in PlaceNotesScore
EntryA-listed with CDFA.5
ControlA-listed with CDFA.5
OutreachNothing on other species.0
Total14