Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . he fact that they are cov-ered by a white, powdery substance, which is really a granulatedwax and a secretion of the insects themselves. They move aboutfreely, and are furnished with all sorts of odd processes at thesides of the body, or with long filaments at the end. They arenot usually common in the North except in greenhouses and onin-door plants, but become more abundant southward, where out-door plants are also infested, orange-trees in Florida being par-ticularly troub
Economic entomology for the farmer and fruit-grower : and for use as a text-book in agricultural schools and colleges . he fact that they are cov-ered by a white, powdery substance, which is really a granulatedwax and a secretion of the insects themselves. They move aboutfreely, and are furnished with all sorts of odd processes at thesides of the body, or with long filaments at the end. They arenot usually common in the North except in greenhouses and onin-door plants, but become more abundant southward, where out-door plants are also infested, orange-trees in Florida being par-ticularly troubled. To this series of mealy bugs the cochinealinsect, Cocais cacti, Ijelongs. It is a native of Mexico, but hasbeen cultivated in other countries, feeding upon species of cac-tus. Specimens have been found in Florida, and it is more thanlikely that it occurs not uncommonly in the semitropical part ofthe peninsula. It also occurs in California. The dye is simplythe immature female insect, which is brushed off the plants,killed, and dried, and has never been equalled for brilliancy and THE INSECT 77. 107. Fig. 78. Fig. 79.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1906
