. Culture of the citrus in California . Citrus fruits; Fruit-culture. INSECT PESTS AFFECTING THE CITRUS. 249 This species diflers but slightly from A. aurantii, excepting in habits and color. Scale of female circular, body pale yellow. Male smaller than female, nearly circular, white, marked with irregular yellow spots. Viviparous. This species only attacks the leaves and fruit, seldom the wood. Supposed to have been introduced from Japan in 1872. Treatment.—Rosin solution (formula No. 1), and gas treat- ment (formula No. 4).. Yellow Scale on leaf. Ventral view of insect. (3) Oleander Scale. A
. Culture of the citrus in California . Citrus fruits; Fruit-culture. INSECT PESTS AFFECTING THE CITRUS. 249 This species diflers but slightly from A. aurantii, excepting in habits and color. Scale of female circular, body pale yellow. Male smaller than female, nearly circular, white, marked with irregular yellow spots. Viviparous. This species only attacks the leaves and fruit, seldom the wood. Supposed to have been introduced from Japan in 1872. Treatment.—Rosin solution (formula No. 1), and gas treat- ment (formula No. 4).. Yellow Scale on leaf. Ventral view of insect. (3) Oleander Scale. A small whitish scale infesting the oleander. It attacks oranges and lemons; does not infest the trees to their material injury, although harmful to the fruit. Scale of female flat, whitish or light gray, and with exuvia; central or nearly so. Female nearly circular in outline. Scale of male slightly elongated, with larval skin nearly central, snowy white; diameter, .04 inch. Oviparous. This species has often been mistaken for the true "red" scale when on lemons, as it assumes a pinkish tint. Treatment.—Rosin solution (formula No. 1), and gas treat- ment (formula No. 4); kerosene emulsion has also given satisfactory Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original California. State Board of Horticulture; Lelong, Byron Martin, 1856-1901. Sacramento : State Printing
Size: 1846px × 1354px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, booksub, booksubjectcitrusfruits
