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InsightHorizon Digest

What is eating my lily pad leaves

Author

Andrew Mccoy

Updated on April 23, 2026

Two kinds of common snails that invade a pond and water lily are pond snails and apple snails. Pick off snails by hand, and destroy them. During their larval stage, the water lily beetle and water lily leaf beetle chew on lily pads.

What could be eating my water lily leaves?

The leaves of waterlilies can be affected by aphids, moth larvae, beetles and chironomid midges which can give them a ragged appearance and lead to secondary rots.

How do you treat lily pads?

So, to get rid of your lily pads, I suggest placing a LakeMat Pro over them in the fall, winter (if you can) or early spring and either leave the Mat there permanently, or leave it there for 10 weeks before moving it. LakeMat Pros are the most effective, greenest, easiest way to control your lily pads.

How do I get rid of water lily beetles?

Waterlily Beetle Kill these eggs by drowning the plant leaves for a few days under the water. Or spray a dilute mixture of washing up liquid over the infected leaves. (10ml washing up liquid in 250ml water). Apparently a mix of cooking oil in water will do the same job.

How do you get rid of aphids on lily pads?

In order to treat aphids chemically on easily accessible water lilies, place the lilies in a tub of water, and spray them with a ready-to-use, 1 1/2-percent insecticidal soap solution. If necessary, choose a brand labeled safe for fish. Insecticidal soap suffocates aphids on contact.

Why do my lily pads have holes?

Moth Infestations China mark moth chews holes in a water lily’s pad as the moth feeds. Left unchecked, the moth can kill the plant. This insect causes significant damage in its larval stage. Look for round 1/4- to 3/4-inch-diameter holes in the water lily’s leaves.

What is eating my lily?

What’s Eating My Lily Flowers? Squirrels, chipmunks and voles all love to dig up and nibble on crunchy lily bulbs. Deer, rabbits and gophers usually prefer to munch on new, tender foliage. The best way to keep your plants from becoming a critter’s lunch is to block animals from reaching them.

What is eating my water lily flowers?

The most common pests are Water Lily Aphids the Water Lily Beetle and the China Mark Moth. Tempting as it may be we would not recommend using any insecticides you can get from your garden centre, especially if you have fish in the pond, but even if not they may harm other beneficial aquatic life.

What does a water lily beetle look like?

Water lily beetles. These are small, brown beetles that create holes in leaves.

Can you use Roundup on lily pads?

Will Roundup kill lily pads? Yes, Roundup should kill lily pads. However, be sure to only use a chemical weed killer that is labeled safe for aquatic use. Roundup does now have a product designed for aquatic use called Roundup Custom Herbicide, which has an active ingredient of Glyphosate.

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How do you get rid of lily pads in a pond without harming fish?

Aquatic herbicides are very successful in treating lily pads. Products such as Shore-Klear or Reward and Weedtrine D, when mixed with a nonionic surfactant such as Cygnet Plus work very well at killing Lily Pads and assisting in gaining control over them.

What herbicide kills lily pads?

Glyphosate-based herbicides are the most commonly used for lily pad removal, but imazapyr-based herbicides will also work.

What are the black bugs on my lilies?

A Lily beetles (Lilioceris lilii) are attractive, bright-red beetles around 7mm long with black heads, legs and undersides. … Q Which plants do lily beetles attack? A Adults and larvae eat the leaves, flowers and seed pods of lilies, fritillaries and nomocharis and can do severe damage.

What's in insecticidal soap?

What Exactly Is Insecticidal Soap? The active ingredients in insecticidal soap are potassium salts of fatty acids (also known as soap salts), which are created when the chemical compound alkali mixes with the fatty acids found in natural oils, including castor oil, coconut oil, and olive oil.

What is eating my pond plants?

So your most likely suspects are rabbits or groundhogs. Both are large enough to reach several inches into the pond and both have an appetite for leafy vegetation. You should be able to confirm a rabbit problem, since they generally leave droppings everywhere.

How do I keep bugs from eating my lilies?

There are two organic sprays that are relatively effective against the red lily leaf beetle. For both, spray coverage must be heavy and complete. Neem, an extract of the neem tree (Azadirachta indica), will kill young larvae. It should be applied every 5-7 days throughout early summer.

How do I get rid of red lily beetle larvae?

  1. Remove any adult scarlet lily beetles by hand and dispose of them. They are quite dozy early in the morning, so this is the best time to catch them. …
  2. Where this isn’t feasible or practical, you can control them by spraying a lily beetle insecticide onto affected plants.

What insect eats water lily?

The black aphid and aquatic leaf beetle both feed on water lilies, according to Colorado State University Extension. Animals such as beavers, ducks and deer also eat parts of the water lily. Fish, such as grass carp, sometimes eat water lilies as well.

What eats aquatic aphids?

Ladybugs are another non-chemical/oil alternative to an aphid problem. Ladybugs love snacking on aphids and can eat upwards to 5,000 aphids and similar insects over their one-year life span.

Why are my water lilies rotting?

Water lily leaves may turn brownish if the water is too shallow and the leaves dry out. Generally, the leaves regain their greenish color when the water is the correct depth. Water lilies prefer a depth of 18 to 30 inches (45-75 cm.), with 10 to 18 inches (25-45 cm.) of water above the roots.

How do I get rid of snails in my lily pond?

The usual means of preventing such an infestation is to quarantine plants before placing in your pond, to check for any kind of pest such as this, or ‘sterilising’ the plant first with a solution of permanganate. Either that or buying it from a reputable supplier.

What eats a pond snail?

Common carp, koi and large goldfish will also feed on pond snails, especially newly hatched snails with soft shells. Yellow perch, channel catfish, yellow bullhead and Eastern mosquito fish also prey on pond snails.

What eats a leaf beetle?

Encourage beneficial insects. Several generalist predators feed on viburnum leaf beetle larvae including lady beetle adults and larvae, lacewing larvae and spined soldier bugs nymphs. The lady beetle adults and spined soldier bug adults also eat adult viburnum leaf beetles.

Where do leaf beetles live?

Leaf beetles — both adults and the larvae — are found on and near their particular food plants, among the leaves, stems, flowers, or roots they eat. The larvae of some are leaf miners, eating tunnels between the two surfaces of a leaf. Because adult leaf beetles can fly, they can go practically anywhere.

How do I get rid of aphids on my pond plants?

Light oil sprays will suffocate the aphids and are not harmful to fish or plants. Sprays should be repeated every 10 days to be most effective. Mix two parts vegetable oil to eight parts water and a dash of dishwashing detergent. Treat in the evening and rinse off the oil the next morning.

Are lily pads bad for ponds?

Plants like lily pads have a track record of growing quickly, so they may get out of control. That can cause overcrowding, stagnation, lack of oxygen, and dangerous conditions for your fish and other wildlife in your pond. They also may “compete” with other plant life in your pond and overtake them.

What kind of fish eat lily pads?

Koi, goldfish, and grass carp are all known to eat the leaves and occasionally the roots of water lilies. Of these, grass carp are considered the most effective at controlling lily pad populations.

What is the gel on lily pads?

All the underwater parts are covered with a thick, clear jelly that protects the plant if the water recedes. This jelly may also discourage snails and aquatic plant eaters from munching on it.

Are lily pads edible?

Parts of the White Water Lily are edible to humans. The young, unfurling leaves may be eaten raw or cooked. The raw leaves should be washed, chopped, and added to soups or stews.

Will Koi eat lily pads?

Understanding and Feeding Koi Although they love dining on your favorite waterlily, they prefer koi food even more. Given the choice between a pelleted food and green vegetation, they’ll opt for the taste and high-energy of a pelleted food.

Do fish eat water lilies?

Fish, such as grass carp, sometimes eat water lilies as well. Larger animals eat water lily leaves, seeds or roots. Heavy feeding that removes most of the leaf may damage water lilies, especially over the course of two to three years.