Waikato dairy and beef farmer Steve Fagan was sceptical to say the least when tiny beetles were released on his farm about 25 years ago to control ragwort. “When Jim Laurenson, the local biosecurity officer, released flea beetles onto my property I said he was a fool to do so. I thought it was a big joke.” But he would later eat his words. “Ten years on, I went back to shake his hand and say...
