. Destructive insects. Insect pests. Fig. 20. The recently quarantined orange trees at San Pedro, from Tahiti, were badly infested with this scale. The peculiarity of this species is in the fact that it burrows under the very thin skin that overlies the bark of orange trees. The bark covering the scale retains all its char-. Fig. 21. acteristic color and markings, and upon this account is liable to be overlooked but for the gnarled, warty swellings upon the trunks and branches produced by their attacks, a good idea of which can be had by refej'ence to the illustrations. I consider this scale o
. Destructive insects. Insect pests. Fig. 20. The recently quarantined orange trees at San Pedro, from Tahiti, were badly infested with this scale. The peculiarity of this species is in the fact that it burrows under the very thin skin that overlies the bark of orange trees. The bark covering the scale retains all its char-. Fig. 21. acteristic color and markings, and upon this account is liable to be overlooked but for the gnarled, warty swellings upon the trunks and branches produced by their attacks, a good idea of which can be had by refej'ence to the illustrations. I consider this scale one of the most dangerous that has ever come. 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. Division of entomology. [from old catalog]; Craw, Alexander. [from old catalog]. Sacramento, A. J. Johnston, supt. state printing
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectinsectpests, bookyear
