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Zaprionus indianus

Summary of the Express Pest Risk Analysis for Zaprionus indianus

PRA area: Poland

Describe the endangered area:  fruit crops in protected conditions and orchards

Main conclusions

Zaprionus indianus is a species of small fruit fly. Larvae feed principally on decomposing fruits. It is not considered to attack unripe and undamaged fruit. The most likely way of entry is transmission with imported fruits.

Considering that Z. indianus is a tropical species, it is not expected that it will be able to survive and establish of permanent populations (the ephemeral populations are possible during the warmer, milder months) in PRA area.

Phytosanitary measures should be based on monitoring of Zaprionus indianus larvae occurrence in imported fruits, especially in warmer months and from pest native ranges.

Infected fruits should be destroyed for example by burning.

Phytosanitary risk for the endangered area

(Individual ratings for likelihood of entry and establishment, and for magnitude of spread and impact are provided in thedocument)

High

 

Moderate

 

Low

X

Level of uncertainty of assessment

(see Q 18 for the justification of the rating. Individual ratings of uncertainty of entry, establishment, spread and impact are provided in the document)

High

 

Moderate

X

Low

 

Other recommendations:

More reasearch of  Z. indianus biology and harmufullness