Columbia Encyclopedia

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housefly

(Encyclopedia)housefly, common name of the fly Musca domestica, found in most parts of the world. The housefly, a scavenger, does not bite living animals but is dangerous because it carries bacteria and protozoans ...

sea star

(Encyclopedia)sea star, also called starfish, echinoderm of the class Asteroidae, common in tide pools. Sea stars vary in size from under 1⁄2 in. (1.3 cm) to over 3 ft (90 cm) in diameter. They are commonly dull ...

mite

(Encyclopedia)mite, small, often microscopic arachnid that belongs to several orders in the subclass Acari (or Acarina), to which the tick also belongs; mites and ticks are related to the spiders. The unsegmented m...

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 Mexican border. The l...

trichina

(Encyclopedia)trichina trĭkīˈnə [key], common name for species of roundworm of the phylum Nematoda. The species Trichinella spiralis is an important parasite, occurring in rats, pigs, and man, and is responsibl...

midge

(Encyclopedia)midge, name for any of numerous minute, fragile flies in several families. The family Chironomidae consists of about 2,000 species, most of which are widely distributed. The herbivorous larvae are fou...

bulbul, in zoology, bird

(Encyclopedia)bulbul bo͝olˈbo͝ol [key], bird, common name for members of the family Pycnonotidae, comprising 119 species of medium-sized, dull-colored passerine birds with short necks and wings, native to Africa...

Newton, Alfred

(Encyclopedia)Newton, Alfred, 1829–1907, English zoologist, b. Geneva. He studied (1854–65) ornithology in Lapland, Iceland, the West Indies, and North America and in 1866 became the first professor of zoology ...

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