what is eating the leaves of my beans?
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Quick facts. The bean leaf beetle (Cerotoma trifurcata) is a pest of snap beans (also called string beans or green beans). Adult beetles feed on the undersides of leaves, creating round, 1/8 inch diameter holes. They can also feed directly on the pod.
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Slugs. Slugs eat large holes in mature marigold leaves and will completely devour young plants. You won't commonly see slugs feeding on your marigolds because slugs are nocturnal, but you may see the slime trails they leave behind. Wait until after dark and, with a flashlight, pick off the slugs.
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You do need to remove the larva/caterpiller and the web which it is encased as these will eat the leaves of your plant. ... It is also worth checking to see if there are any pinkish white grubs in the soil and these are the grubs of the Vine Weevil and they will eat the roots of your tree.
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The primary foliar pests on bay trees are aphids and psyllids. Aphids are soft bodied insects that may be brown, black, white, green or even red. They cling in colonies to stems or leaves, often in a clustered mass. These insects suck sap and can eventually cause leaf stippling and low vigor in the entire plant.
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A: That's the work of flea beetles, the bane of eggplants. Flea beetles are tiny black bugs that chew holes in leaves like someone peppered them with miniature buckshot. They'll attack mustard, radishes and sometimes cole crops, but eggplant is their favorite.
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Pests. Coleus plants are sometimes attacked by mealy bugs, which resemble bits of white fuzz, though they may also be infested with whiteflies, aphids, spider mites and slugs. Pests can cause spots and holes in leaves, as well as stunt growth and reduce plant vigor.
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Slugs can eat holes in hellebore leaves. Pick these hellebore plant pests off at night. Alternatively, attract them with bait traps using beer or cornmeal. Vine weevils are also bugs that eat hellebores.
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Spiders, lacewings, praying mantises and lady beetles are all eager to eat what's eating your tree. They're especially valuable to combat bugs such as aphids, whiteflies, citrus thrips and mealybugs that are also likely to be vectors, or carriers, of virus diseases.
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Water. If wilted leaves are the only thing wrong with your green beans, they may be getting too much water. The plants are getting too little water if the pods wilt in addition to the leaves. ... Mulch around the plants to reduce competition from weeds and help the soil retain moisture.
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Slugs eat large holes in mature marigold leaves and will completely devour young plants. You won't commonly see slugs feeding on your marigolds because slugs are nocturnal, but you may see the slime trails they leave behind. Wait until after dark and, with a flashlight, pick off the slugs.
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Caterpillars and earwigs cause similar damage to slugs and snails. They eat small, rounded holes in the begonia's leaves. ... Whiteflies, spider mites, thrips, fungus gnats, shore flies and mealybugs all bother begonias. You can control these pests with insecticidal soap.
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When your grapevine leaves have notched holes along the edges, it may be due to feeding by the black vine weevil. This 1/2-inch-long black beetle marked with white scales on its wings and a distinctive snout eats leaves and destroys new buds and shoots when bud-break and adult weevil emergence coincide.
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Slugs and snails love lettuce, but they nibble from the outside edges toward the center. ... Only if seedlings have just sprouted will slugs eat the whole plant. When slugs come under suspicion because of the damage pattern, traces of slime trails often will verify their presence. Insects eat holes in leaves.
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2) If you've noticed leaves that look like they've been chewed on or caterpillar-like insects on your river birch; these are most likely larvae of the Dusky Birch Sawfly. These 1 inch long, yellow-green bodied, black headed larvae, feed in groups along the leaf margins, eating their way to the center vein.
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Other pests and insects that attack pepper plant leaves and cause holes in them include beetles, leafcutters, tomato hornworms, beet armyworms, moth, butterfly larvae, slugs, and snails. The surest way to know what pest attacked your pepper plant leaves is to examine all your pepper plants carefully.
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Slugs: Slugs attack young hydrangeas especially. Look for holes with ragged edges in leaves. ... Beetles: From Japanese to Rose chafers, beetles are known for eating petals and leaves. Handpick beetles and drop them in soapy water or spray with Insect Control.
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Aphids, squash bugs and spider mites are all sucking insects that cause this type of damage. Red spider mite damage will show yellow mottling on leaves. Gall mites will often cause raised pimples or clumps of matted hairs on leaves.