Online Encyclopedia

SCALE INSECT

Online Encyclopedia
Originally appearing in Volume V24, Page 283 of the 1911 Encyclopedia Britannica.
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SCALE INSECT, a name given to insects belonging to the family Coccidae of the homopterous division of the Hemiptera and deriving their name from the formation by the females of a waxy secretion which often hardens into a protective scale beneath which the insects live. Honey-dew, a sweet sticky substance is also secreted by some members of the family. The females are always wingless, but are provided with antennae, legs and well-developed mouth-parts. In some cases these organ. are retained, in some they are lost in the encysted condition. The males, on the contrary, although sometimes wingless, are, as a rule, provided with a pair of large forewings and greatly reduced hindwings; their antennae and legs are longer than in the other sex, but the mouth-parts are reduced and functionless (See ECONOMIC ENTOMOLOGY).
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