. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. 1700 ENCYCLOPEDIA OF PRACTICAL HORTICULTURE spring or early summer as mature in- sects. As a remedy, plum trees should be sprayed with Paris green or dusted with white hellebore as soon as the webs ap- pear. Red Spider. See Apple Pests. San Jose Scale. See Apple Pests. Scurfy Scale. See Apple Pests. Slug. See Pear Pests. Soft Scale Control Same a
. The encyclopedia of practical horticulture; a reference system of commercial horticulture, covering the practical and scientific phases of horticulture, with special reference to fruits and vegetables;. Gardening; Fruit-culture; Vegetable gardening. 1700 ENCYCLOPEDIA OF PRACTICAL HORTICULTURE spring or early summer as mature in- sects. As a remedy, plum trees should be sprayed with Paris green or dusted with white hellebore as soon as the webs ap- pear. Red Spider. See Apple Pests. San Jose Scale. See Apple Pests. Scurfy Scale. See Apple Pests. Slug. See Pear Pests. Soft Scale Control Same as for San Jose scale. Spring Canker Worm. See Apple Pests. Tent Caterpillar. See Apple Pests. Tussock Moth. See Apple Pests. The Tachina Flies This is one of the most beneficial fam- ilies of insects, because of the parasitic habits of the larvae upon destructive caterpillars, grasshoppers, bugs, beetles, saw flies, etc. The adults are little larger than house flies, being striped and grayish in color with hairy bodies. They are only active on warm days. The eggs are usually white and stuck to the living larvae upon which the coming maggot is to feed. Upon hatching the larvae bore through the. Tussock Moth Tachinid. Peleteria rohusta, Wied. Parasite of the Tussock Moth, slightly enlarged. skin of the host, nourishing themselves throughout their development upon the internal tissues, avoiding the destruction of the vital organs until ready to pupate. When the host is destroyed they leave the old carcass and form hard brown puparia near the surface of the ground. The adults issue from these in a very short time. Breeding is rapid, there be- ing several generations each year. E. O. EssiG Viceroy Butterfly Limenitis archippus Occasionally the larva of the viceroy butterfly is found feeding on plum leaves, though its normal food is the willow. The larva occurs from the latter part of September until the leaves drop. This species is not apt to become sufficiently injurious to require
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Keywords: ., bookcentury1900, booksubjectfruitculture, booksubjectgardening
