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pink bollworm

(Encyclopedia) pink bollworm, destructive larva of a moth, Pectinophora gossypiella. Probably of Native American origin, it is a serious pest of cotton in the S United States, chiefly along the…

Howard, Leland Ossian

(Encyclopedia) Howard, Leland Ossian, 1857–1950, American entomologist, b. Rockford, Ill., grad. Cornell (B.S., 1877), Ph.D. Georgetown Univ., 1896. Associated with the U.S. Bureau of Entomology from…

pheromones

(Encyclopedia) pheromones, any of a variety of substances, secreted by many animal species, that alter the behavior of individuals of the same species. Sex attractant pheromones, secreted by a male…

tent caterpillar

(Encyclopedia) tent caterpillar, common name for the larvae of the members of a family of moths (Lasiocampidae), easily recognized by the large silk tents, or webs, that the larvae construct during…

carpet beetle

(Encyclopedia) carpet beetle, name for several beetles that are highly destructive to carpets and upholstery and are classified in the same family as the larder beetles. Adult beetles of this family…

causality

(Encyclopedia) causality, in philosophy, the relationship between cause and effect. A distinction is often made between a cause that produces something new (e.g., a moth from a caterpillar) and one…

Drabble, Margaret

(Encyclopedia) Drabble, Margaret, 1939–, English novelist, b. Sheffield, Yorkshire; sister of A. S. Byatt. Drabble's rigorous and unsentimentally realistic vision of an England split between…