Ick factor: Tent caterpillars invade Sask.

For some, it’s the stuff of nightmares: hundreds of caterpillars huddled together on tree trunks or hanging down from branches. 
For people in Saskatchewan, it’s an everyday reality. 
Before Lacey Hickson left her Warman home for the long weekend, she noticed forest tent caterpillars already moving in on her trees. 
“When I got back, about half the trees were eaten from the top down, and the trunks of the trees were completely black – it was like fur,&