. The citricola scale. Citrus; Scale insects. 408 UNIVERSITY OF CALIFORNIA EXPERIMENT STATION Orosi. In Fresno County the citricola scale occurs in the citrus dis- tricts of Mt. Campbell and near Sanger. In Sacramento County it occurs in the Fairoaks and Orangevale districts, and in Placer County at Rocklin. In Yuba and Sutter counties it has been reported from citrus trees growing in the cities of Marysville and Yuba City. In Contra Costa County this scale has been reported from one dooryard tree in Martinez. In Kern County one tree was reported infested. Fig. 1.—Present distribution of citri
. The citricola scale. Citrus; Scale insects. 408 UNIVERSITY OF CALIFORNIA EXPERIMENT STATION Orosi. In Fresno County the citricola scale occurs in the citrus dis- tricts of Mt. Campbell and near Sanger. In Sacramento County it occurs in the Fairoaks and Orangevale districts, and in Placer County at Rocklin. In Yuba and Sutter counties it has been reported from citrus trees growing in the cities of Marysville and Yuba City. In Contra Costa County this scale has been reported from one dooryard tree in Martinez. In Kern County one tree was reported infested. Fig. 1.—Present distribution of citricola scale in California shown by X on the map near Bakersfield, but eradication treatment was given and the scale has not as yet reappeared. For the data bearing on the distribution of the scale by counties as given above, in addition to his own inspections, the writer is in- debted to the respective county horticultural commissioners. It should be understood that the localities given represent the distribution at the time of this writing. New localities are continually being reported. This is partly due to the spread of the citricola scale, but also because, in many cases no doubt, previous reports referred to it as the soft brown 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 Quayle, H. J. (Henry Josef), 1876-. Berkeley, Cal. : Agricultural Experiment Station
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcitrus, bookyear1915
