Dr. Kirk Hillier

At first glance, the Hemlock Woolly Adelgid (HWA) – a tiny, aphid-like insect barely bigger than a millimetre – hardly seems threatening. Beaded among leaves like garland, the insect’s fluffy white bodies could be mistaken for the world’s smallest cotton balls. You might even say they look cute. But those who understand the invasive critter and the devastation it can cause know better than to coo over evidence of HWA among nearby trees. Nova Scotia’s old-growth hemlock forests, the meal of choice for this insect, are now under significant threat if nothing is done – and the effects of these forests being wiped out would be catastrophic… “It’s not just a change in the landscape that’s at risk – but cascading ecological and economic destruction when entire tree species are lost,” said Dr. Hillier.