. Injurious insects : how to recognize and control them . Insect pests; Insect pests. SMALL SCALES ON BARK OF TRUNK OR BRANCH 257 Several other species closely resemble the San Jose scale, and on superficial examination can hardlj' be distinguished from it. They have not, however, so distinct a ring and nipple. The Putnam's Scale (Anpi- diotus ancylus Putnam) infests many kinds of fruit and shade trees. It has one generation annually. The Cherry Scale (Aspidiotus forbesi Johns.) is found on the bark of cherry and other fruit trees. It is lighter in color than the San Jose scale. The European F
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. SMALL SCALES ON BARK OF TRUNK OR BRANCH 257 Several other species closely resemble the San Jose scale, and on superficial examination can hardlj' be distinguished from it. They have not, however, so distinct a ring and nipple. The Putnam's Scale (Anpi- diotus ancylus Putnam) infests many kinds of fruit and shade trees. It has one generation annually. The Cherry Scale (Aspidiotus forbesi Johns.) is found on the bark of cherry and other fruit trees. It is lighter in color than the San Jose scale. The European Fruit-scale (Aspidiotus ostrcceformis Curt.) attacks principally plums, but occasionally other fruits, except the peach. It produces several generations annually and is often a serious pest. For all of these the best treatment is a winter spraying with lime Fig. 349. — Branch with Put- nam's Scale. 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
