Insects injurious to fruits . y decays. No. 63.—The Apple Thrips. Phlceothrips mali Fitch. This is a very small insect, about one-eighteenth of an inchlong. It is slender, of a blackish-purple color, with narrow,silvery-white wings. Occasionally apples are found early inAugust, small and withered, with a cavity near their tip,about the size of a pea, and the surface of a blackened color,appearing as if the cavity had been gnawed out. Within thismay usually be found one of these apple thrips, which hadprobably taken up its residence on the fruit while it was verysmall, and by frequent puncturin
Insects injurious to fruits . y decays. No. 63.—The Apple Thrips. Phlceothrips mali Fitch. This is a very small insect, about one-eighteenth of an inchlong. It is slender, of a blackish-purple color, with narrow,silvery-white wings. Occasionally apples are found early inAugust, small and withered, with a cavity near their tip,about the size of a pea, and the surface of a blackened color,appearing as if the cavity had been gnawed out. Within thismay usually be found one of these apple thrips, which hadprobably taken up its residence on the fruit while it was verysmall, and by frequent puncturing day after day the applehas become stunted in growth, and finally withered. This insect has never yet proved very injurious; should itever become so, it would be a difficult one to thoroughly with tobacco-water or a solution ofwhale-oil soap would probably prove efficacious. No. 64.—The Ash-gray antennata (AValker.)This insect is a moth, the larva of which has occasionallyFig. been found boring into young apples and ])eaches during thtmonth of June. Fig. 145 illustrates its mode of procedure. ATTACKING THE FRUIT. 1^9 The caterpillar is pale green, with cream-colored spots, and abroad, cream-colored band along the sides. When full grown,it leaves tlie fruit and works its way under the surface ofthe ground, where it forms a very thin, filmy, silken cocoon,within which it changes to a reddish-brown chrysalis. The moth escapes in the autumn, and is of a dull ash-graycolor, with its fore wings variegated with darker gray, orgrayish brown, as shown in the figure. SUPPLEMENTAKY LIST OF INJUEIOUS INSECTS WHICHAFFECT THE APPLE. In addition to those already enumerated, the followinginsects are injurious to the apple, but, since they are moredestructive to other fruits, they will be referred to underother headings. ATTACKING THE BRANCHES. The pear-blight beetle, No. 68; the New York weevil,No. 100; and the red-shouldered Sinoxylon, No. 13
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