Abstract
The vegetable leaf miner, Liriomyza sativae (Diptera:Agromyzidae), is an invasive polyphagous species originally known to be found in America and now spread in many parts of Africa, Asia, and the Pacific region. During 2016, L. sativae was observed for the first time infesting tomato (Solanum lycopersicum L.) leaves in experimental farms of an institute at Umiam (Meghalaya state of northeastern India). Based on museum specimens, this species was reported from India on tomato during 1994. Nevertheless, no further information is hitherto available from India apart from just new record. Considering the pest status of L. sativae across the globe, it is crucial to understand its expansion range, severity, biological attributes, and seasonal incidence on tomato in India. Taxonomic identification of different species of Liriomyza leaf miners is very complex due to morphological resemblance, and consequently, species-level identification is often done incorrectly by mistaking one species for another. Therefore, we characterized L. sativae at the molecular level and developed species specific DNA barcodes by using mitochondrial cytochrome oxidase gene. Moreover, the information on the correct distribution, seasonal incidence, and basic biological attributes of different stages of L. sativae is reported and discussed.
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