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stickleback

(Encyclopedia) stickleback, common name for members of the family Gasterosteidae, small fishes, widely distributed in both fresh- and saltwaters of the Northern Hemisphere. Sticklebacks range from 11…

ethnology

(Encyclopedia) ethnologyethnologyĕthnŏlˈəjē [key], scientific study of the origin and functioning of human cultures. It is usually considered one of the major branches of cultural anthropology, the…

katydid

(Encyclopedia) katydid, common name of certain large, singing, winged insects belonging to the long-horned grasshopper family (Tettigoniidae) in the order Orthoptera. Katydids are green or,…

box turtle

(Encyclopedia) box turtle, hard-shelled land turtle of the genus Terrapene, native to North America. Its lower shell, or plastron, has a hinge dividing it into front and rear sections; the animal can…

bean weevil

(Encyclopedia) bean weevil, common name for a well-known cosmopolitan species of beetle (Acanthoscelides obtectus) that attacks beans and is thought to be native to the United States. It belongs to…

tilapia

(Encyclopedia) tilapiatilapiatəläˈpēə [key] or St. Peter's fish, a spiny-finned freshwater fish of the family Cichlidae, native chiefly to Africa and the Middle East. Fish of the genera Oreochromis,…

silkworm

(Encyclopedia) silkworm, name for the larva of various species of moths, indigenous to Asia and Africa but now domesticated and raised for silk production throughout most of the temperate zone. The…

ichneumon fly

(Encyclopedia) ichneumon flyichneumon flyĭkn&oomacr;ˈmən [key], common name for a family of insects, related to the wasps, whose larvae are parasitic on many other insects. Over 3,000 species of…