Lloyd Knutson

Lloyd Vernon Knutson is an Emeritus of the US Department of Agriculture's Systematic Entomology Laboratory and the current Cooperating Entomologist at Centro Nazionale per lo Studio a la Consevazione della Biodiversita Forestale, Verona, Italy. He has studied the Sciomyzidae for over 40 years and has published over 90 papers on various aspects of their biology.