The Olive Insects of California
The Olive Insects of California
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Dept.
Agr., 1911.
7 Smith, H. S., Mthly. Bull. Cal. Hort. Com., vol. IV, p. 574, 1915.
Digitized by VjOOQIC THE OLIVE INSECTS OF CALIFORNIA 57 4. The mountain-ash louse, Prociphilus fraxini-dipetalae (Essig) (fig. 10). This species rarely attacks the olive, having been taken by the writer on the tender sprouts at Berkeley, 1914, and on the leaves at Corning, the same year, by Chas. B. Weeks, Horticultural Com- missioner.
5. The red scale, Chrysomphalus aurantii (Mask.). A citrus pest re- ported... on olive in the southern part of the state by Prof. H. J. Quayle.® It was recently received from Roy K.
Bishop, Horticultural Commissioner, who took it on olives in Orange County. The leaves were thickly cov- ered.
6. The purple scale, Lepidosaphes beckii (Newm.). Also a citrus pest reported on olives in southern Cali- fornia by Prof. H. J. Quayle.® 7. The greedy scale, Aspidiotus camelliae Sign. (figs. 11 and 12).
Very common on the bark of the branches, especially of old suckers. It may be easily mistaken for the ivy or oleander scale, the color being much the same, but the outside shell is more robust, nearly conical in shape and with the small exuvia or nipple at one side rather than at the middle.
What to read after The Olive Insects of California?
You can find similar books in the "Read Also" column, or choose other free books by Edward Oliver Essig to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Dept.
Agr., 1911.
7 Smith, H. S., Mthly. Bull. Cal. Hort. Com., vol. IV, p. 574, 1915.
Digitized by VjOOQIC THE OLIVE INSECTS OF CALIFORNIA 57 4. The mountain-ash louse, Prociphilus fraxini-dipetalae (Essig) (fig. 10). This species rarely attacks the olive, having been taken by the writer on the tender sprouts at Berkeley, 1914, and on the leaves at Corning, the same year, by Chas. B. Weeks, Horticultural Com- missioner.
5. The red scale, Chrysomphalus aurantii (Mask.). A citrus pest re- ported... on olive in the southern part of the state by Prof. H. J. Quayle.® It was recently received from Roy K.
Bishop, Horticultural Commissioner, who took it on olives in Orange County. The leaves were thickly cov- ered.
6. The purple scale, Lepidosaphes beckii (Newm.). Also a citrus pest reported on olives in southern Cali- fornia by Prof. H. J. Quayle.® 7. The greedy scale, Aspidiotus camelliae Sign. (figs. 11 and 12).
Very common on the bark of the branches, especially of old suckers. It may be easily mistaken for the ivy or oleander scale, the color being much the same, but the outside shell is more robust, nearly conical in shape and with the small exuvia or nipple at one side rather than at the middle.
What to read after The Olive Insects of California?
You can find similar books in the "Read Also" column, or choose other free books by Edward Oliver Essig to read onlineMoreLess
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