or yellow leaves, sticky honeydew on
twigs or leaves, general weakness in
plants with strong stream of water.
Sticky yellow traps. Aluminum foil
mulch. Predatory insects. Horticultural
oil sprays. Most general purpose garden
sprays or dusts, including pyrethrins,
rotenone, and Malathion.
in trunks of dogwoods, roses and other
shrubs (gummy sawdust (frass) usually
visible by the holes or at the base of
the trunk); brown mottled foliage on
and destroy infested parts or plants
where possible. Poke a wire into borer
holes in tree trunks to kill borers.
Trap with Tanglefoot or burlap wraps
around the trunks of trees. Cover squash
vines with floating row covers except
when flowers are blooming. For woody
plants, squirt pesticide containing
paste into holes, then plug holes.
Malathion provides partial control of
(cutworms, cabbage worms, Tomato Hornworms,
leaves; cutworms fell young seedlings
Predators and parasites. Dust with
Bacillus thuringiensis (Bt). Many
general purpose insecticides including
pyrethrins, rotenone, and Malathion.
holes all over leaves, tiny insects jump
off when you disturb leaves; vegetables
(tomatoes, eggplant, potatoes, spinach)
are common targets
crops with floating row covers. Dust
with diatomaceous earth. Introduce
parasitic nematodes into soil.
Insecticides, including neem, nicotine,
pyrethrines, sabadilla, Malathion,
holes in leaves or skeletonized leaves;
beetles usually visible near damage
row covers. Handpick. Pheromone traps
placed away from plants at risk.
Insecticides including rotenone, ryania,
and destroy damaged leaves as soon as
they appear. General-purpose gardening
insecticides times to catch adult flies
that lay the eggs. Systemic
yellowish spots progressing to yellow,
bronze, and/or curled leaves; fine webs
between leaves and stems,; small specks
visible on webs or on leaf undersides
plants well watered to prevent them.
Remove chickweed and other host plants.
Spray with strong stream of water.
Predatory mites. Insecticidal soaps.
Horticultural soil sprays. Insecticides
including pyrethrins, rotenone,
nicotine, phosphate insecticides,
portions of leaves and flowers chewed
(damage generally done at night); shiny
trails on soil and plants
beds with copper strips. Traps under
boards and destroy. Sprinkle with salt.
Hand pick and destroy. Slug and snail
baits, methaldehyde (beer traps lure
more slugs to the garden).
of tiny white insects fly up from
foliage when disturbed; plants look
yellow traps. Insecticidal soap. Most
general purpose insecticides, including
neem, nicotine, pyrethrins, Malathion,