Cactoblasis cactorum scorecard

Spread Rate Larvae may be transported in infested plant material, adults disperse through flight. 4
Spread Amount California has a broad range of Opuntia spp. distributed widely. 4
Ecological This pest has the ability to completely decimate the native Opuntia and destroy desert ecosystems (ie. Habitat and food source). 5
Agricultural Will negatively impact fruit and pad production (prickly pear), rangeland grazing (sometimes used as fodder in times of drought), and nursery and landscape plants. 4
Infrastructure 0
Cultural Destruction of the iconic desert landscape. 3
Health 0
Ecological 0
Agricultural 0
Infrastructure 0
Cultural 0
Benefit Health 0
Ability to Respond
Ease of ResponseNotesScore
Detection Eggs "sticks" look like spines, but damage from larval feeding is conspicuous, and a pheromone exists to attract males (could be used to trap). 4
Control Chemical control is ineffective, also not feasible due to its overlapping habitat with several endangered Lepidopterans, likewise with the release of egg parasites. 1
Tools in PlaceNotesScore
Entry A-rated pest from CDFA. 5
Control A-rated pest from CDFA. 5
Outreach Some info online. 2
Scorecard Totals
Impact Total:
[Impact] = ([Spread] + [Damage] - [Benefit])
Ability to Respond Total:
[Ability to Respond] = ([Ease of Response] + [Tools in Place])
Confidence:  high