The scelionid parasitoid Trissolcus basalis (Wollaston,1858) has been detected in Belgium for the first time based on specimens reared from a parasitized egg mass of Nezara viridula (Linnaeus,1758) collected an urban garden at Sint-Amandsberg, Ghent. Identification was adult morphology and DNA barcoding. This is presently believed to be northernmost record Europe T. could consequence northward ...