Anne Webster THE detection of varroa mite in beehives in the New South Wales towns of Euston and Balranald, just across the Murray River from Mallee, raises significant biosecurity concerns.

An emergency order is barring the movement of beehives in NSW after varroa mites, first detected at the port of Newcastle, were found at Euston and Balranald.

Hives located in Victoria that are within NSW�...