Using intensely-coloured purple and green traps, and pulling them high into a tree's canopy, is one of the latest tactics being used by scientists attempting to capture more insects in the hunt for invasive species.
Natural Resources Canada is trying out the latest forms of traps in an attempt to snag any invasive species that might spell future problems in New Brunswick's forests.
Using a long yellow pole, with a slingshot end, biologist Vincent Webster shoots a line over a high tree branch. Then, a line of green inverted cone traps is pulled up. read more >>