walnut husk fly (rhagoletis completa) it is quarantine species of tephritid or fruit flies whose larvae damage walnuts.

walnut husk fly rhagoletis completa quarantine species tephritid fruit flies whose larvae damage walnuts invasive pest orchards agricultural beautiful body carpathian cerasi diptera english environment farming food fruits garden green grow growth harvest husks insect isolated juglans regia larva leaf leaves maggot natural nut nutty control infestation plant red suavis ssp season tree white background worm walnutsinvasive