Insects injurious to fruits . th of an inch;the enclosed insect is nearly as broadas long. These insects vary greatly incolor, some being almost white, withthe extremity of the body slightly yel-low ; others are entirely yellow, whilesome are purplish, with the end of thebody yellow. The eyes are of both sexes are shown, magnified, in Fig. 411, a, eggs and young larvae are purplish. The scale of themale (6) is about one twenty-fifth of an inch long, and nai-row; its color is gray, darker and greenish about the middle. The mature winged in-sect is shown in Fig. 412, ^^- ^^
Insects injurious to fruits . th of an inch;the enclosed insect is nearly as broadas long. These insects vary greatly incolor, some being almost white, withthe extremity of the body slightly yel-low ; others are entirely yellow, whilesome are purplish, with the end of thebody yellow. The eyes are of both sexes are shown, magnified, in Fig. 411, a, eggs and young larvae are purplish. The scale of themale (6) is about one twenty-fifth of an inch long, and nai-row; its color is gray, darker and greenish about the middle. The mature winged in-sect is shown in Fig. 412, ^^- ^^ magnified; it is pur-plish in color, with the diskof the thorax pale andirregularly marked withpurplish spots. The eyesare large and very are several broodsof these insects during aseason, and the scales may be found at any time on the bark of the trunk and branchesof the orange-trees, and to a less extent on the leaves andfruit. They have been called chaff scales, from their resem-blance to fine chaff or 26 402 INSECTS INJURIOUS TO THE ORANGE. Fig. 413. No. 257.—The Barnacle cirripediformis Coiiistock. TliL color of this scale varies from grayish to light brown, divided by lines into regularsegments, as siiown at a inFig. 413, where one of thesescales is represented magni-fied. The enclosed insect issubglobular in form, and ofa dark reddish-brown color. The eggs are light reddishbrown, and rather long andslender; the larva is darkbrown, and very slender inform. It is at first activefor a brief period, then settlesin one spot, where it becomesstationary, and soon secretesover its body tufts of cottonyfilaments, which are finallycondensed to a waxy con-sistence, for nil ng part of thescale with w^hich the insect iscovered. This scale is found in sev-eral localities in Florida onboth orange and quince trees ;it is also found on a native plant, a species of Eupatorium.
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Keywords: ., bookauthorsaunderswilliam183619, bookcentury1800, bookdecade1880
