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

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