Silba adipata Scorecard

Species:  Silba adipata

Common Name:  Black fig fly

Scorecard created on
Last Updated on

Results

Impact Total:11 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:21 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:Only known to attack Ficus carica, an important California crop. Fly may be more widely established in California than currently known.

Impact

SpreadNotesScore
Spread RateCan be transported in infested fruit, or spread by flight. 3
Spread AmountOnly known to feed and oviposit on Ficus carica. Native to the Mediterranean and Middle East. Has invaded South Africa, Mexico, and subsequently California. 3
DamageNotesScore
EcologicalIncreased insecticide usage would result to manage this pest if it established - this could threaten environmental quality.1
AgriculturalMay cause significant fruit drop and infestation rates known exceeded 80%.3
Infrastructure0
CulturalCould significantly affect residential figs. 1
Health0
BenefitNotesScore
Ecological0
Agricultural0
Infrastructure0
Cultural0
Health0
Total11

Ability to Respond

Ease of ResponseNotesScore
DetectionCan be monitored using a McPhail-type trap baited with Torula yeast or a combination of 2% ammonium sulfate and hexanol. Adults should be attracted to some of the fruit fly detection traps currently used in the state. 4
ControlCurrent control methods include bait sprays, trapping and destroying infested fruit. 3
Tools in PlaceNotesScore
EntryA-rated pest from CDFA.5
ControlA-rated pest from CDFA.5
OutreachEducation and outreach materials providing identification, monitoring, and management guidelines for California fig growers have been developed. 4
Total21