The word “Leafhoppers” is widely used for the species belonging to the Cicadellidae family that comprises of around 20000 listed species dispersed around the world. Adults in the family are squeezed, stretched out, and somewhat deltoid in shape. They can jump and fly off making short flights if disturbed. Their feeding on the leaves is usually observed in the form of groups where they are found on the variety of flowering plants, vegetables, fruits, turf grasses and shrubs including herbs and deciduous trees. They are sap-sucking pests and associated with plant injuries and transmitting viral diseases to healthy plants that cause yellow and clear spots, stipping on the upper surface of the leaves. These spotted or stipped leaves may fall during the premature phase. Some leafhoppers also cause stunting & curling of the leaf margins of the injured leaves that may die. Let’s check in some quick remedies how to get rid of leafhoppers on your gardening plants.
Table of Contents
- How to kill leafhoppers on your gardening plants
- #1 Monterey Take Down Garden Spray (Chemical – Editors’ Choice)
- #2 Nature’s Good Guys Green Lacewing 1,000 Eggs (Natural – Editors’ Choice)
- #3 1500 Pre-Fed Live Ladybugs | Hippodamia Convergens
- #4 I Must Garden Insect Control
- #5 Insecticide Organic Surround WP
- #6 Bonide -Neem Oil, Insect Pesticide for Organic Gardening
- #7 Bonide-Insect Control Systemic Granules (0.22% Imidacloprid)
- What are leafhoppers?
- What do leafhoppers eat?
- Life Cycle of leafhoppers
- What are white leafhoppers?
- How to control leafhoppers on outdoor plants?
- How to get rid of leafhoppers organically?
How to kill leafhoppers on your gardening plants
#1 Monterey Take Down Garden Spray (Chemical – Editors’ Choice)
Pyrethrin performs excellently when applied to the first appearance of the leafhoppers on your garden plants. Add 2 ounces in 1 gallon of water and spray using a mist sprayer in the evening. Keep sprayer shaking while you are spraying on the plants.
#2 Nature’s Good Guys Green Lacewing 1,000 Eggs (Natural – Editors’ Choice)
Green Lacewing 1000 eggs are sufficient to be released for 200-250 square meters in your open garden.
#3 1500 Pre-Fed Live Ladybugs | Hippodamia Convergens
Green Lacewing (Hippodamia Convergens) do well in around 250 green covers in your edible garden.
#4 I Must Garden Insect Control
Its purely organic formulation and can be used until the time of the harvest. Moreover, no need to make its mixtures or solution. Simply pick the bottle and add it into the mist sprayer to cover undersides of the leaves in the upper and middle foliage.
#5 Insecticide Organic Surround WP
Leafhoppers or any other insect wouldn’t be able to feast on your favorite plants after you apply a thin film of Surround WP on the surface of the leaves. Moreover, you have the liberty to use it on all edible stuff including vegetables, microgreens, fruits, and herbs along with its use on ornamental plants in your garden.
#6 Bonide -Neem Oil, Insect Pesticide for Organic Gardening
Add 1-2 ounces in 1 gallon of water and spray using a high-pressure hand-held mist sprayer on the upper and lower surface of the leaves for best results. Shake concentrate bottle well before every mixing.
#7 Bonide-Insect Control Systemic Granules (0.22% Imidacloprid)
Simply spread these granules near the stem of the ornamental plants and roses and water them. The active ingredient is absorbed by the roots that are transported to leaves while they become poisoned to deter all types of leafhopper’s infestation of the plants. The product label also mentions the clear warning about its usage restriction on the edible plants.
What are leafhoppers?
Leafhoppers have extended, wedged bodies and a little bit tri-lateral if seen from upwards. They constitute one of the extreme plentiful plant damaging species that are greater than all existing species of reptiles, amphibians, mammals, and birds in this universe.
Their sizes range between 1/8th of an inch to half an inch that may have multi-colored body patterns and shapes depending on species which varies from bright yellow to green and grey including color marking on their bodies. Wingless Nymphs are often similar to adults in the same species. Both adults and Nymph’s feeding is seen on the undersides of the leaves. They are slim with rough head and wedged wings over their bodies while hind legs with four rows of small spines. Leafhoppers are adaptable to tropical, subtropical and temperate climatic conditions where they are found in wetlands, forests, deserts, grasslands, and backyards. Their common predators include but not limited to: birds, spiders, and lizards in the open forest.
What do leafhoppers eat?
Leafhoppers eat nothing but feed on the sap of the variety of the plants by using their mouthparts called Stylus. They insert their stylus into the soft tissues on the undersides of the leaves. This sucking habit causes stipping on the leaves that are visible even in the uppersides of the leaves. The leaves stipping is caused by sap removal from the phloem and xylem tissues and injecting some toxins that are associated to bring viral infestation on the affected plants. Stipping leads to marginal chlorosis and browning of the injured leaves that may fall permanently from the plants. Leafhoppers are also associated with the transmission of some viral diseases along with inviting molds due to their salivary fluids on the surface of the leaves.
Some species are also host specific as they primarily feed on specific plant species such as Rose leafhoppers live on roses the same is true for apple and Potato leafhoppers but they can be found on a similar type of plant foliage that resembles their specific hosts.
Life Cycle of leafhoppers
Overwintering is often in the shape of eggs in plant debris or unattended hiding places in any corner of the garden. Most of the egg-laying takes place undersides of leaves, plant curvatures and near the main stem in the soil. Nymph hatch in around 10 days under favorable conditions in spring or summer and feeds on the tender leaves. Nymph develops into an adult in 2-4 weeks. There may be 1-6 generation in a year depending on the temperature and humidity around.
What are white leafhoppers?
White leafhoppers are in fact white apple leafhoppers that are frequently found in the Pacific Northwest in the US and caused considerable damages to apples in the mid-’70s.
They are native to North in the US causing significant loss to the apple & fruit growers. It is also prevalent in cherry, peach, and hawthorn. Its life cycle, habitat, and, damages are similar to other commonly found leafhoppers in the garden.
How to control leafhoppers on outdoor plants?
#8 Orthene 97.4% Acephate Systemic Soluble Insecticide
Systemic insecticides are absorbed with water through roots and poison the overall plant foliage that doesn’t let leafhoppers to infest & damage your outdoor plants, hedges, and roses.
Place these pallets near the stem of the plants and water them so they are dissolved to perform their action.
#9 Diatomaceous Earth (DE) Food Grade
Thinly spread DE on the surface of the leaves feared to be attacked by the leafhoppers or other pests of similar nature, it will do the rest of the things.
How to get rid of leafhoppers organically?
Use a pressurized water sprayer to wash undersides of the leaves where leafhoppers hide normally. Work on increasing the presence of predatory insects and wasp that feed on leafhoppers and other garden pests along with inviting pollinators that are habitual to pick them as feed. Sticky traps and insecticidal soaps are also among the excellent strategies to keep their infestation in good control while Pyrethrin, Spinosad and Neem oil are the best organic sprays that keep them in control. One of the best product in the Spinosad category is;
#10 Captain Jacks Deadbug Flower Vegetable Garden Dust
Sprinkle a thin layer of Garden Dust on the foliage of your edible plants and wait for the Spinosad to do its trick. You may notice some leafhoppers after you are done with a sprinkle, don’t worry, they have terminated feeding and may survive for an hour or two.