Cochliomyia hominivorax Scorecard

Common Name:  screwworm

Scorecard created on
Last Updated on

Results

Impact Total:20 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:19 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:Not entirely confident in "Detection."

Impact

SpreadNotesScore
Spread RateNative to Mexico and Central America. May be transported in or on animals/livestock or in soil. They may also disperse through free flight. They are highly fecund and develop rapidly.5
Spread AmountFeeds on warm-blooded animals, including humans.5
DamageNotesScore
EcologicalHas the potential to infect native species (i.e., birds, ungulates).3
AgriculturalMay kill host in 7-14 days, individual wounds may contain as many as 3000 larvae.3
Infrastructure0
Cultural3
HealthHumans are potential hosts (rare), though it is unlikely one would die from it.1
BenefitNotesScore
Ecological0
Agricultural0
Infrastructure0
Cultural0
Health0
Total20

Ability to Respond

Ease of ResponseNotesScore
DetectionMonitor animals, examine wounds. Adults may be monitored with pheromone traps.4
ControlEradication can be achieved through Sterile Male Release, relatively inexpensive ($11 million to eradicate in FL, as opposed to $200 million in annual treatments and loss).4
Tools in PlaceNotesScore
EntryA-rated pest from CDFA, any infestations must be reported to state and federal authorities.5
ControlA-rated pest from CDFA.5
OutreachNot much recent outreach.1
Total19