Brooklyn Museum Quarterly . 96. FRUIT INFESTEDBY SAN JOSE SCALE fruit, shade, or forest tree is freefrom their attacks, and as these in-sects and their eggs are easily trans-ported for long distances on fruit orliving plants, a few of them havebecome world-wide in distribution. * Scale insects feed on the juices oftheir host. They are sucking insectslike the plant-lice, but they do notmove freely as they are more or lessfixed to a single spot on the plant,where they are often difficult to de-tect. Certain scale insects are cov-ered by a flatfish or convex scale, which is formed ofsecreted wax
Brooklyn Museum Quarterly . 96. FRUIT INFESTEDBY SAN JOSE SCALE fruit, shade, or forest tree is freefrom their attacks, and as these in-sects and their eggs are easily trans-ported for long distances on fruit orliving plants, a few of them havebecome world-wide in distribution. * Scale insects feed on the juices oftheir host. They are sucking insectslike the plant-lice, but they do notmove freely as they are more or lessfixed to a single spot on the plant,where they are often difficult to de-tect. Certain scale insects are cov-ered by a flatfish or convex scale, which is formed ofsecreted wax and of the cast skin of the body; somehave the body wall above much hardened and very con-vex, so that a strong, rigid projecting shell is formed;others secrete wax usually in the shape of white cottonymasses with which they cover the body more or less com-pletely, sometimes forming waxen egg-sacs at the posteriorend of the body. The most troublesome and destructiveof the scale insects is the San Jose scale, a native of Chinaan
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Keywords: ., bookcentury1900, bookdecade1910, bookidbrooklynmuseumqu46broouof
