. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). Fig. 132. Common Scale Insects (much enlarjieil), (a) San Jose Scale, (b) Oyster-shell Scale, (c) Scurvy Scale scahbj-like, spotted with red; the reddish discoloration being most noticeable around the marc-ins of the scales. The wonder- ful power of reproduction of this species makes it the most for- midable of our orchard scales. THE OYSTER-SIIELL SCALE This appears as a browm scale about one-sixth of an inch long, eloselv resembling the color of the bark and somewhat like a long, narrrtw oyster-shell in s
. Annual report of the Commissioner of Agriculture ... Agriculture -- New York (State). Fig. 132. Common Scale Insects (much enlarjieil), (a) San Jose Scale, (b) Oyster-shell Scale, (c) Scurvy Scale scahbj-like, spotted with red; the reddish discoloration being most noticeable around the marc-ins of the scales. The wonder- ful power of reproduction of this species makes it the most for- midable of our orchard scales. THE OYSTER-SIIELL SCALE This appears as a browm scale about one-sixth of an inch long, eloselv resembling the color of the bark and somewhat like a long, narrrtw oyster-shell in shape. In some seasons the insects appear in sucli numbers tliat twigs and branches are literally covered, in which event tlie healtli and vigor of the tree is seriously impaired. This species is commonly found (m apple and pear. It attacks many other plants. It is reported to have caused severe injuries to mountain ash and 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 New York (State). Dept. of Agriculture; New York State Agricultural Experiment Station; Cornell University. Agricultural Experiment Station. Albany : State of New York, Dept. of Agriculture
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