The Gypsy moth caterpillar consume tremendous amounts of leaf material in the spring, as much as one square foot of leaves per day. A solution to the Gypsy moth problem emerged in Europe in 1938, where they began to use B.T.K. (Bacillus thuringiensis kurstaki) on forests and agricultural lands as a biological insecticide to exterminate … Continue reading Gypsy Moth and the B.T.K. insecticide