By Bill Krasean, retired journalist and KBS LTER volunteer Every Friday mid-May through mid-October, a staff member at Kellogg Biological Station (KBS) Long-term Ecological Research (LTER) program drives to a tall, narrow pipe on the main experiment site, opens a small door at the base of the tower and extracts a bottle filled with liquid and a cornucopia of insects. The little critters, victims of a strong suction at the top of the pole as they fly by, are shipped to the University of Illinois where Dr. David J. Voegtlin and Dr. Doris Lagos, experts in the identification of aphids,