The Bangor Daily News interviewed Jim Dill, a pest management specialist with the University of Maine Cooperative Extension, for the article, “Why deer flies and horse flies are such dreaded summer pests.” “Their mouthparts are described as knife-like or scissor-like,” Dill said. “They basically slash their way in [to your skin]. They have a saliva read more Dill speaks with BDN about deer flies, horse flies