Corrigendum to “Molecular screening of herbivorous flies collected from Hydrilla verticillata across China and Korea – setting up hypotheses for further exploratory surveys and tests” [Biol. Control 138 (2019) 104051]

•We conducted surveys across China and South Korea for natural enemies of hydrilla.•DNA barcoding identified 14 chironomid midge species.•Four distinct Hydrellia (Ephydridae) clades were identified.•Our results help clarify the species status of the collected material.•They also suggest hypotheses for further testing through additional structured sampling and screening.