. Insects injurious to fruits. Illustrated with four hundred and forty wood-cuts. Insect pests. ATTACKING THE FLOWERS. 149 ATTACKING THE PLOWEES. No. 73.—The Pear-tree Blister-beetle. Pomphopoea aenea (Say). Tliis is a greenish-blue or brassy-looking beetle, rather more than half an inch long (see Fig. 155), with head and thorax punctated and somewhat hairy, the wing- cases roughened and with two slightly-elevated ^^^' l^^- lines. These beetles have been found injurious to pear- blossoms both in Michigan and in Pennsylvania. They begin their work by devouring the corolla, then the pistil and c
. Insects injurious to fruits. Illustrated with four hundred and forty wood-cuts. Insect pests. ATTACKING THE FLOWERS. 149 ATTACKING THE PLOWEES. No. 73.—The Pear-tree Blister-beetle. Pomphopoea aenea (Say). Tliis is a greenish-blue or brassy-looking beetle, rather more than half an inch long (see Fig. 155), with head and thorax punctated and somewhat hairy, the wing- cases roughened and with two slightly-elevated ^^^' l^^- lines. These beetles have been found injurious to pear- blossoms both in Michigan and in Pennsylvania. They begin their work by devouring the corolla, then the pistil and calyx, and a portion of tlie forming fruit, but are said to avoid the stamens. They will occasionally eat small portions of the tender foliage, and are usually most abundant on the tops of the trees and about the extremities of the limbs. They also attack the blossoms of the cherry, plum, and quince, but have not been observed on the apple or peach. This pest is easily controlled. On jarring the trees they drop at once to the ground, aiid if taken in the cool of the morning are very sluggish in their movements. Later in the day, in the heat of the sun, they become much more active, and fly ATTACKING THE LEAVES. No. 74.—The Pear-tree Leaf-miner. Lithocolletis geminafella Packard. The larva of this insect mines the leaves of the pear, and also those of the apple. It is very small, of a pale-reddish color, with a black head and a black patch on the upper part of the next segment. In Fig. 156 it is shown magnified. It. 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 Saunders, William, 1836-1914. Philadelphia, J. B. Lippincott & Co
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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherphila, bookyear1883
