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Insects affecting the orange . perabundant bloom at the this reason tlie insect is more often afriend than a foe to the ])lant, and were it not for the fact that itsnumbers sometimes increase inordinately and to such an extent as toeffect injuriously the forming crop, it could not be classed among theinsect enemies of the Orange. The Orange Thrips is frequently an annoyance to persons occupied inflower gardens where Lilies and Koses are in bloom. It settles upon thehands and face, and bites sharply, although without poisonous irrita-tion. Kcuudiea.—A moderately strong solution of wh
Insects affecting the orange . perabundant bloom at the this reason tlie insect is more often afriend than a foe to the ])lant, and were it not for the fact that itsnumbers sometimes increase inordinately and to such an extent as toeffect injuriously the forming crop, it could not be classed among theinsect enemies of the Orange. The Orange Thrips is frequently an annoyance to persons occupied inflower gardens where Lilies and Koses are in bloom. It settles upon thehands and face, and bites sharply, although without poisonous irrita-tion. Kcuudiea.—A moderately strong solution of whale-oil soap, one poundto four or five gallons of water, will suffice to destroy this insect ifsj)rayed upon the tiowers in fine spray. Applications of pyrethrumwill also etiectively reduce their numbers. It is best used in liquid, de-livered in fine spray upon the flowers. One ounce of the powder ineach gallon of water is sufficient to destroy the Thrips. Xhe powdermust be kept suspended by frequent agitation of the Fig. 11.—Thrips tritici:laified, (Iniwn Iroinmens; b, niitoima ;enlarged. (Original.) a, Thrips en-living speci-c, leg, much INSECTS AFFECTING THE FRUIT. THE COTTON STAINER OK RED BUG. {Dysdercus suturellus Herrich-Sch.) [Plate XI, Fig. 4.] This Soldier bug, well known to cotton-growers in Florida, as occa-sioning great loss by puncturing the cotton bolls and injuring the fiber,has recently been found destructive to oranges by puncturing the rind 16G INSECTS AFFECTING THE ORANGE. and causing the fruit to drop from the trees and rot rapidly. Attentionwas first called to this new habit of the bug by letters to the Depart-ment of Agriculture from South Florida, in December, 1879. Sincethat time numerous reports have been received of excessive injuriesdone, especially in cases where cotton is raised among or in close proxim-ity to the orange trees. The Cotton Stainer may be distinguished from all other Soldier-bugs,some of which resemble it superficially,
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherwashi, bookyear1885