Non-destructive insect metabarcoding for surveillance and biosecurity in citrus orchards: recording the good, the bad and the psyllids 1Agriculture Victoria Research, State Government Victoria, Bundoora, Victoria, Australia 2Citrus Australia Ltd., Wandin North, Victoria, Australia 3School of Applied Systems Biology, La Trobe University, Bundoora, Victoria, Australia DOI 10.7717/peerj.15831 Academic Editor Ravinder Kumar Subject Areas Agricultural Science, Biodiversity, Genetics, Molecular...