what is eating the leaves of my zinnias?
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Aphids are common insects that damage zinnias when they puncture the leaves and stem to feed on the sap, or juice of the plant. Other pests, such as mites and scales, also damage zinnias by feeding on the sap.
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Small animals and arthropods such as mites, springtails, nematodes, woodlice or pillbugs, and millipede feed on the dead leaves. They are detrivores, meaning they feed on dead material. Earthworms are perhaps one of the better known of these; they eat the leaves and break them down into tiny pieces.
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Caterpillars of a huge number of varieties may be drawn to your plants. You'll recognize their feeding as irregular holes in leaves. ... Sucking insects poke tiny holes in leaves and draw the juices out of them. Common sucking insects include aphids, squash bugs, and spider mites.
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Holes in strawberry leaves. ... It could be earwigs eating the leaves of your strawberry plants or slugs and snails. Earwigs are beneficial insects to have in the garden because they are pest predators.
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Chewed Blossoms and Leaves: Several pests chew flowers and leaves – from Fuller rose beetles that leave ragged edges on leaves to leafcutter bees that cut semicircular holes. Rose slugs look like tiny caterpillars, but are the sluglike larva of a sawfly.
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Sawfly larvae are caterpillar-like white larvae that eat leaves on plants like roses, gooseberries and Solomon's seal. Leaf rolling is a sign of sawflies. They lay their eggs on plants and their larvae eat the leaves, they make holes that still have some plant tissue intact so the damage looks transparent.
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Pests on Collard Greens A few bugs enjoy eating their way through the leaves of collards. ... Pests include aphids, cabbage worms and the harlequin bug. Aphids are usually small, brown bugs that gather on the underside of the plant's leaves. There are three types of cabbage worms.
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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.
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What is eating the leaves of my gooseberry bush? The leaves are being eaten by the larvae of the gooseberry sawfly. This is a very common pest on gooseberry bushes. ... A third generation of adults develop and their larvae overwinter in cocoons in the soil.
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Many caterpillars eat the leaves and roots of native grasses and plants generally considered weeds. It can be very beneficial to have an area with a mixture of native grasses (left to grow long) as well as docks, bramble, plantains, dandelions, nettles and bedstraws.
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Some plants that can be extremely irritating when ingested include the rubber tree (Ficus elastica), the ZZ plant (Zamioculcas zamiifolia), and the Dieffenbachia.
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Common Broccoli Pests Cabbage worms – These pests are the larvae of moths and butterflies. You may notice white or gray moths fluttering around the plant—a sure sign that you'll soon have problems with their offspring. Cabbage worms cause serious damage by feeding on broccoli leaves. Hand pick as many as you can.
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The majority of pests that eat spinach are leaf-eating insects. Cutworms, cabbage loopers, corn earworms, snails, slugs and diamondback moth caterpillars are all common pests of spinach. Symptoms are irregularly shaped holes on either the leaf margins or in the middle of the leaves.
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Thrips and Whiteflies Greenhouse thrips and ash whiteflies are tiny sucking insects that might gather on the undersides of avocado leaves to feed. Not all thrips are nasty -- black hunter and sixspotted thrips feed on mites.
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The physical damage to your leaves could be caused by chewing insects, such as caterpillars or slugs, or mammals, such as chipmunks, groundhogs, voles, rabbits, or deer. It could also be a combination of insect and mammal feeding damage.
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The lily leaf beetle larvae, or grubs, cause the most damage. Hundreds of larvae may hatch at one time, and they begin eating immediately. Though the leaves are their preferred food, they will also devour buds, flowers and stems. Most feeding takes place under the leaves or at leaf nodes along the stem.
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As their name suggests, Leaf Beetles feed on the foliage of African Violets, chewing small holes at the edges of the leaves. Leaves have holes in them. They appear to have been eaten. Leaf Beetles typically chew holes at the edges of the leaves.