This section is from the book "The Standard Cyclopedia Of Horticulture Vol2", by L. H. Bailey. See also: Western Garden Book: More than 8,000 Plants - The Right Plants for Your Climate - Tips from Western Garden Experts.
Burn twigs before the beetle escapes.
A brownish caterpillar about 1/2 inch in length, feeding on the opening buds in early spring and on the under side of the leaves in summer.
Arsenate of lead in summer to kill larvae of second brood. Lime-sulfur and arsenate of lead in dormant season just before buds open, to destroy hibernating larvae.
A small caterpillar living inside a case which it carries with it. It attacks the opening buds.
Arsenate of lead as soon as the buds begin to open. Repeat if necessary.
A wood-boring caterpillar working in the sap-wood.
A dull, dark brown beetle with a long and slender snout with which it punctures the husk and shell of the maturing nuts for oviposition. The grubs live within the nut feeding on the kernel.
Destroy all infested nuts. This should be as soon as they fall.
A brownish gray beetle, about 1/2 inch long, which girdles twigs in August and September. The female lays eggs above the girdle. The twigs soon fall.
Burn the twigs, either cutting them off or gathering them when they fall.
See Pecan. White Peach-Scale (Diaspis pentagona).
Lime-sulfur when the trees are thoroughly dormant.
Small caterpillar feeding on the young foliage, causing the tips of the twigs to turn reddish, due to the dying of the foliage. Frequently serious in forests.
Plant-lice causing cone-shaped, many-celled galls at the bases of young shoots.
Spray with whale-oil soap, one pound in two gallons of water, in early spring. Cut off all galls and burn Before the lice leave them.
Small white scales frequently abundant on the foliage.
Kerosene emulsion or tobacco extracts when the young are hatching.
Small grub working in the terminal branch, which is killed, causing distorted trees.
Cut out and burn infested branches.
A large katydid which attacks, among other plants, the leaves of the pineapple.
Arsenicals, before the plants are mature.
These mealy white insects attack the plant at the base of the leaves, usually underground.