. Circular. Insect pests; Insect pests. 2 THE LEAF BLISTER MITE. lions of Euroi^e and in California, producing the so-called " erinose " of the vine. Eriophyes padi Xalepa {^E. pruni-crinnena "Walsh) is the cause of the nail-like galls sometimes found on the leaves of plum. {Typ>hlodro7ni!s) Phyllocoptes oJeivorus Ashmead infests the fruit and foliage of the orange, producing a russeted condition. PJiyllocoptes conmtvs Banks feeds upon the upper surface of the leaves of the peach, so injuring them as to give the foliage a silvery sheen. Phyllocoptes schleclitendali Xalepa occ
. Circular. Insect pests; Insect pests. 2 THE LEAF BLISTER MITE. lions of Euroi^e and in California, producing the so-called " erinose " of the vine. Eriophyes padi Xalepa {^E. pruni-crinnena "Walsh) is the cause of the nail-like galls sometimes found on the leaves of plum. {Typ>hlodro7ni!s) Phyllocoptes oJeivorus Ashmead infests the fruit and foliage of the orange, producing a russeted condition. PJiyllocoptes conmtvs Banks feeds upon the upper surface of the leaves of the peach, so injuring them as to give the foliage a silvery sheen. Phyllocoptes schleclitendali Xalepa occurs on the foliage of the apple, and in Montana veiy important injuries have been at- tributed to Fit;. 1.—Apple k'avfs injured by the leaf blister mite { ixjii)- (Original.) ORIGIN AND DISTRIBUTION. The mite is not native to the United States and was probably in- troduced at an early period, presumabl}^ from Europe on nursery stock, buds, or scions. It was first recorded in the United States hy Townend Glover, in 1872, and since that date has made its appear- ance in the principal pear-growing regions of the United States and Canada. It is known to occur in portions of Europe, in England, Russia, and Tasmania, and is probably present in other fruit-growing- regions of the world, being at the present time a truly cosmopolitan 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 United States. Bureau of Entomology. Washington, D. C. : The Bureau
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1904
