Ezra Townsend Cresson
Encyclopedia
Ezra Townsend Cresson, also Ezra Townsend senior (18 June 1838, Byberry - 19 April 1926, Swarthmore
) 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 (1887) and many other works. His son Ezra Townsend, Jr. (1876-1948) was also an entomologist but a specialist in Diptera
.
Swarthmore, Pennsylvania
Swarthmore is a borough in Delaware County, Pennsylvania, United States. Swarthmore was originally named Westdale in honor of noted painter Benjamin West, who was one of the early residents of the town. The name was changed to Swarthmore after the establishment of Swarthmore College...
) was an American entomologist who specialised in Hymenoptera
Hymenoptera
Hymenoptera is one of the largest orders of insects, comprising the sawflies, wasps, bees and ants. There are over 130,000 recognized species, with many more remaining to be described. The name refers to the heavy wings of the insects, and is derived from the Ancient Greek ὑμήν : membrane and...
. He wrote Synopsis of the families and genera of the Hymenoptera of America, north of Mexico Philadelphia: Paul C. Stockhausen, Entomological printer (1887) and many other works. His son Ezra Townsend, Jr. (1876-1948) was also an entomologist but a specialist in Diptera
Diptera
Diptera , or true flies, is the order of insects possessing only a single pair of wings on the mesothorax; the metathorax bears a pair of drumstick like structures called the halteres, the remnants of the hind wings. It is a large order, containing an estimated 240,000 species, although under half...
.