. Bug vs. bug: nature's method of controlling injurious species. Insects; Insects, Injurious and beneficial. Obcos austhalasi/C. Boisd 2 Pupa enveloped in la FIG. 8. Orc-us australasia. of the latter, it is a native of Australia, and was imported from that country by the State Board of Horticulture through Mr. Koebele. It is an enemy of the black scale (Saisseta [Lecanium] oleae), and is now well established in many parts of California, especially in the coast counties. The female is nearly one fourth of an inch in length, deep blue in color, with six orange red spots on the wing-covers. The m
. Bug vs. bug: nature's method of controlling injurious species. Insects; Insects, Injurious and beneficial. Obcos austhalasi/C. Boisd 2 Pupa enveloped in la FIG. 8. Orc-us australasia. of the latter, it is a native of Australia, and was imported from that country by the State Board of Horticulture through Mr. Koebele. It is an enemy of the black scale (Saisseta [Lecanium] oleae), and is now well established in many parts of California, especially in the coast counties. The female is nearly one fourth of an inch in length, deep blue in color, with six orange red spots on the wing-covers. The male is similarly marked, but is a smaller insect. This species is a more general feeder than 0. cJialyheus. In Santa Barbara County it is bred on black scale, and in Alameda on the pernicious scale. It loves the sunshine, and is found more numerous toward the top and the outside branches of the trees in which it is established. The larva -aiid pupa resemble the same stages of Pilate's ladybird. Opcus ehalybeus, Boisd. (Steel-blue ladybird). (Fig. 4.) So named from its brilliant steel-blue color, which makes it a conspicuous object wherever it is found. This ladybird preys largely upon the yellow scale {Chrysoni- phalus [Aspidiofiis] ciiriniis, Coquillett), and also upon bens, enlarged. ^ the red scale (Chrysornphalus [Aspidiotus] aurantii, Maskell), which it consumes in great quantities. This was introduced into California. 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 Isaac, John; California. State Commission of Horticulture. Sacramento, W. W. Shannon, Supt. State Printing
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsects, bookyear1906
