Aesculus. Tussock-Moth

See Apple.

Agave. Oleander Scale

See Hedera.

Red Scale

See Citrus. Alder. Alder Blight Aphis (Pemphigus tessellata) occurs in colonies on the branches and appears as conspicuous white, woolly masses.

Treatment

They may be dislodged by a stiff stream of water or may be killed by spraying with kerosene emulsion. Saw-Fly Leaf-Miner (Kaliosysphinga dohrinii) feeds between the upper and lower layers of the leaves, causing large blotch mines.

No remedy known.

Allamanda. Citrus White Fly

See Citrus.

Almond. Black Scale

See Citrus.

Clover Mite

See Peach.

Cotony Cushion Scale

See Citrus

Pear Thrips

See Pear.

San Jose Scale

See Apple.

Aloe. Oleander Scale

See Hedera.

Amaryllis. Narcissus Bulb-Fly

See Narcissus.

Ampelopsis. Myron Sphinx (Ampelophaga Myron)

Large, green or brown, smooth caterpillars occasionally defoliate the vines.

Treatment

Hand-picking.

Annona. Florida Wax Scale

See Citrus.

Anthurium. Florida Wax Scale

See Citrus.

Apple. Aphids Or Plant-Lice

There are three species which commonly attack the opening buds and leaves of apple, - the leaf aphis (Aphis pomi), rosy aphis (Aphis sorbi) and bud aphis (Siphocoryne avenae).

Treatment

These small, soft-bodied insects may be controlled by thorough spraying with "Black Leaf 40 ' tobacco extract, three-fourths of a pint, in one-hundred gallons of water, adding four pounds of soap. Make the application before the leaves curl. Apple-Curculio (Anthonomus quadrigibbus). - A soft, white grub, about 1/2 inch long, living in the fruit.

Treatment

Clean cultivation. Rake the small apples that drop early out into the sun where they will dry up.

Catalogue of Insects, continued.

Apple Flea-Beetle (Graptodera Foliacea)

Brassy, green beetle, 1/5 inch or less long, feeding upon leaves.

Treatment

Arsenicals. Lime-sulfur or bordeaux mixture as a repellent.

Apple Leaf-Hopper (Empoasca Mali)

A slender pale yellowish green bug; the nymphs are pale greenish and usually found on the under side of the leaves. The winter eggs are laid in blisters under the bark of the smaller branches; summer eggs, m the leaf veins and petioles. Four generations annually. The insect feeds by extracting the juices from the leaves, causing them to turn pale and curl. It is most injurious to nursery stock.

Treatment

The young nymphs may be killed by spraying with "Black Leaf 40" tobacco extract, three-fourths of a pint in one hundred gallons of water, adding three to four pounds of soap. Nurserymen often catch the adults by the use of sticky shields.

Apple Leaf-Roller (Archips Argyrospila)

A green caterpillar with a black head, 1 inch or less in length when mature, attacks the opening buds rolling and Webbing together the leaves, flowers and young fruit into a nest. Holes are eaten in the young apples, deforming them. Eggs are laid in June in small, flat masses on the bark and are covered with a smooth varnish-like coating. They do not hatch till the following spring.