Molecular Identification of Leafmining Flies From Australia Including New Liriomyza Outbreaks

Author:

Xu Xuefen1ORCID,Coquilleau Marianne P1ORCID,Ridland Peter M1ORCID,Umina Paul A12ORCID,Yang Qiong1ORCID,Hoffmann Ary A1ORCID

Affiliation:

1. Bio21 Institute, School of BioSciences, The University of Melbourne, Parkville, VIC, Australia

2. Cesar Australia, 293 Royal Parade, Parkville, VIC, Australia

Abstract

Abstract Some leafmining fly species are pests of agricultural and ornamental plants but they also include many species with little economic importance. The taxonomy of leafmining flies is often challenging because of putative cryptic species. Following new outbreaks of Liriomyza (Diptera:Agromyzidae) in Australia, we here characterize 13 dipteran leafminer species collected from Australia based on cytochrome c oxidase subunit 1 (COI) DNA barcodes, and we compare these with overseas data. We confirm barcodes of nine species from the Agromyzidae (Liriomyza sativae, L. huidobrensis, L. trifolii, L. bryoniae, L. chinensis, L. brassicae, L. chenopodii, Phytomyza plantaginis and P. syngenesiae) and one species from the Drosophilidae (Scaptomyza flava); we describe new haplotypes for some of these species. Furthermore, we provide the first DNA barcodes for two species (Cerodontha milleri and Phytoliriomyza praecellens) from the Agromyzidae and one species (Scaptomyza australis) from the Drosophilidae. These findings provide a baseline for DNA-based identification of pest Liriomyza incursions spreading across the Australian east coast in relation to other species already present in Australia.

Funder

Hort Innovation

Publisher

Oxford University Press (OUP)

Subject

Insect Science,Ecology,General Medicine

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