Photos courtesy (University of Illinois, Urbana Champaign) Photos courtesy (University of Illinois, Urbana Champaign) Info / Symptoms: The Spruce Spidermite is a type of mite that specifically eats spruce and a few other conifers. These mites eat the plant by poking holes in the needles, resulting in small discolored marks left behind with each feeding. … Read More “Spruce Spidermites Info & Control”