Needles on a jack pine branch are browned and curled after the tree was infested with budworm. (Left); A group of jack pine trees that have been infested with jack pine budworm show browned ...

Budworm are caterpillars which feed off the needles of jack pine trees, and outbreaks of these critters occur every six to 12 years. After the budworm munch on the jack pines, the damaged tree ...

UPPER PENINSULA, Mich. (WJMN) — Little caterpillars with a big appetite. The Department of Natural Resources thinks the budworm caterpillar, a hungry herbivore, could be the reason jack pine ...

Thousands of acres of fir-spruce would be killed by the spruce budworm. Large expanses of old jack pine fell prey to the jack pine budworm. Periodic outbreaks of forest tent caterpillar would ...

During outbreak years, every 10 to 15 years, the jack pine budworm affects large tracts of standing timber in the Great Lakes states and Canada. Young, vigorous jack pine can withstand the damage ...

Marie, said that on a recent drive home from Manitoulin Island, he noticed that some of the pine and spruce trees didn't look right. The culprit, he said, are the jackpine budworm and the spruce ...

Jack pine often don’t get much respect. The sometimes scraggly, usually not-too-tall pine trees often lag behind their bigger cousins, the white pine and red pine, when it comes to favorite ...