Landowners can look for the following signs of a spruce beetle attack on their spruce trees:Reddish-brown boring dust at the base of a tree and in bark cracksReddish-brown pitch masses on the tree trunk indicating an attack siteLarvae tunneling beneath the bark creating a network that inhibits the trees ability to feed itself Inspect spruce firewood for spruce beetle. Burn actively infested material before May, if possible, or process the material to prevent adult beetle emergence and potential damage to neighboring trees. In order to treat or prevent further infestations, landowners should examine their spruce trees now for signs of beetle attacks and seek information on treatment options. Facebook0TwitterEmailPrintFriendly分享Southcentral Alaska continues to be heavily impacted by a spruce beetle outbreak that has occurred over the last few years. According to the Division of Forestry, warmer spring temperatures mean adult spruce beetles will soon be active again. Spruce beetles typically emerge from their host trees when spring temperatures are around 60°F, which usually occurs in early to mid-May. For information on mitigating spruce beetle, signs and symptoms of spruce beetle attacks, and upcoming public workshops, visitwww.alaskasprucebeetle.org.