A man standing next to a Christmas tree holds a Fraser fir twig up to his eye and uses a small hand lens to examine the shoot for tiny pests that are difficult to see.

Many Christmas tree pests require a hand lens for proper identification during regular field scouting.

A man standing next to a Christmas tree holds a Fraser fir twig up to his eye and uses a small hand lens to examine the shoot for tiny pests that are difficult to see.

Jill Sidebottom