The Societe Entomologique de France was founded in 1832, the Entomological Society of London in 1834.
The last-named may be considered the founder of the strong company of entomological workers now labouring in America.
A few bananas and (especially from Oahu) pineapples of fine quality are exported; since 1901 the canning of 3 The entomological department of the Hawaii Experiment Station undertakes " mosquito control," and in 1905-1906 imported top-minnows (Poeciliidae) to destroy mosquito larvae.
Cotton and silk culture have been experimented with on the islands; and the work of the Hawaiian Agricultural Experiment Station is of great value, in introducing new crops, in improving old, in studying soils and fertilizers and in entomological research.
Poulton, in an admirable discussion of contemporary views regarding species (presidential address to the Entomological Society of London 1904), has shown that Darwin did not believe in the objective existence of species, not only because he was led to discard the hypothesis of special creation as the explanation of the polymorphism of life, but because in practice as a working systematist he could neither find for himself nor ascertain from other systematists any settled criteria by which a group of specimens could be elevated into a genus, accepted as a species, or regarded as a variety.