Insects injurious to fruits . igure all theillustrations are highly magnified, except the leaves with thescales on them, which are of the natural size. The male is furnished with a single pair of large, trans-parent wings, which enable it to fly readily. It is shown,highly magnified, in Fig. 408. No. 254.—The White nerii Bouch6. This scale is found on the orange and lemon trees, par-ticularly in Southern California and in Florida, where it alsoinfests a number of other trees and plants, but especially theacacia-tree. In Fig. 409 a twig of acacia is figured infestedwith this sc
Insects injurious to fruits . igure all theillustrations are highly magnified, except the leaves with thescales on them, which are of the natural size. The male is furnished with a single pair of large, trans-parent wings, which enable it to fly readily. It is shown,highly magnified, in Fig. 408. No. 254.—The White nerii Bouch6. This scale is found on the orange and lemon trees, par-ticularly in Southern California and in Florida, where it alsoinfests a number of other trees and plants, but especially theacacia-tree. In Fig. 409 a twig of acacia is figured infestedwith this scale. The female scale is flat, whitish or lightgray in color, and when mature is only about one-twelfth ofan inch in diameter. The eggs are of a light-yellow scale of the female is shown at c in the figure; the male INSECTS INJURIOUS TO THE ORANGE. 399 scale at b, both magnified ; the latter is slightly elongatedin form, of a white color, with a tinge of yellow, and is aboutone twenty-fifth of an inch in The winged male, which is a very minute creature, isshown, highly magnified, at a in the figure; it is yellow,mottled with reddish brown; wings transparent. 400 INSECTS INJURIOUS TO THE ORANGE. No. 255.—The Ribbed purchasi Maskell. The adult female of this species of Coccus is covered l)van egg-sac, which is of a pale-yellowish color, longitudinallyribbed, a little longer than the body of the insect, and filledwith a loose, white, cottony matter containing the eggs. Acluster of these sacs is shown in Fig. 410, of the natural size; the enclosed insect is of a T 10. 410. dark orange-red color, withblack antennae and legs, itsback being covered more orless with a white or yellow-ish-white powder. The eggs are said to num-ber from two hundred to fivehundred in each cluster, andare of a pale-red color. Thenewly-hatched larva is red-dish or brownish, with longand slender legs. As it growsit gradually changes, becom-ing darker in color and irreg-u
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Keywords: ., bookauthorsaunderswilliam183619, bookcentury1800, bookdecade1880
