Ezra Townsend Cresson
Ezra Townsend Cresson, also Ezra Townsend senior was an American entomologist who specialised in Hymenoptera. He wrote Synopsis of the families and genera of the Hymenoptera of America, north of Mexico Philadelphia: Paul C. Stockhausen, Entomological printer and many other works. His son Ezra Townsend, Jr. was also an entomologist but a specialist in Diptera.
Cresson also documented many new species including Nomada texana.
