Lawn pests like armyworms, sod webworms, grubs, and cutworms can significantly damage turf grasses. Identify what type of lawn worm or caterpillar is infesting your yard and what products to use to kill and prevent lawn pests. Ask A Pro: 866-581-7378 Mon-Fri 9am-5pm ET Live Chat Contact Us.Mix 2 oz/ gallon (3 gallons of spray treats 1,000 sq ft). Delay watering and mowing after application for 12-24 hours. Safer® Insecticidal Soap will work fast on heavy infestations. A short-lived natural pesticide, it works by damaging the outer layer of soft-bodied insect pests, causing dehydration and death within hours.1. Apply Pesticides. Pesticides that contain carbaryl, imidacloprid, or bifenthrin are extremely effective in getting rid of active grub worms in your established lawn. Liquid grab killers should be mixed with water according to label instructions. The pesticide should be sprayed thoroughly on the infected areas to make sure it goes deep into ...On all insecticides, be sure to read and follow the directions on the label.. Turfgrasses & Lawn Management. Maintaining a healthy lawn is one of the best defenses against grub worms. The main challenge of turfgrass management is striking a balance between the nutrient requirements of the turf and maintaining an environment that is suitable for …Yes, giant lawn worms are real and exist in certain parts of the world. Giant lawn worms, also known as nightcrawlers, are indeed real and can be found in various regions across the globe. These worms are known for their large size and are often used as bait for fishing. They can grow up to several inches long and are typically found in moist ...Yes, giant lawn worms are real and exist in certain parts of the world. Giant lawn worms, also known as nightcrawlers, are indeed real and can be found in various regions across the globe. These worms are known for their large size and are often used as bait for fishing. They can grow up to several inches long and are typically found in moist ...imidacloprid 0.25% and a low fertilizer rate (6-0-1) Apply between June 1 and July 15 for best results. Premium Grub Control (Do not confuse with “Premium Insect Control”) imidacloprid 0.2% - Granular. Apply between June 1 and July 15 for best results. Bayer Advanced Complete Insect Killer Liquid attach-to-hose-bottle.Sep 1, 2021 · A 10-foot monster native to the grasslands of Victoria, the giant Gippsland earthworm may appear terrifying, but it's actually a threatened species whose biggest foe is humans. From the huntsman spider and saltwater crocodile to the olive python and snake-swallowing frog, Australia is undoubtedly home to some of the world’s scariest creatures. got a call out this morning to a customer at Epping, NSW, she was distressed with the devastation caused by the army worm, we treated with insect control and gave it a hit with fertiliser to help get lawn back before winter cold sets in - call us on 0412.766.955 if you are in trouble . #lawncareexperts #lawncaresydney #lawnrepairsydney #lawndoctorsydney …Oct 20, 2021 · STEP 1: Identify armyworm larvae. The armyworm larvae, or caterpillars, feed on lawns, gardens, and crops. They are green, brown, or black in color, and are most easily identified by the green ... Grub worm problems tend to develop in lawns that consist of a single grass species or lawns that are over-fertilized and over-irrigated (more on this in a bit). But, when infestations of 15 or more grub worms per square foot of lawn are present, your lawn may develop brown patches that peel back easily like a carpet. Dew worms are worms the size of snakes, with their greasy, gummy bodies ranging from 10-30 cm long. While worms are excellent to have in the yard for their ability to aerate the soil, dew worms (or night-crawlers), are far too much of a good thing. Active at night and early morning, when the lawn is wet (hence the name), they can churn a ...Mark off two to three sections of lawn 2-feet by 2-feet in damaged in undamaged areas. Evenly pour 1 gallon of the solution over each section. The soap irritates the larvae and they will crawl to the surface in 1 to 10 minutes. If more than four to six larvae are found in 4 square feet, treatment is advisable.White grub is a general term for all scarab beetle larvae. These grubs feed on the roots of all turfgrass species and live at or just below the soil-thatch interface. All white grubs rest in a curled C-shape and are about ½ to 2 inches long; chafer beetle grubs are the most common in Florida lawns, and are on the small end of that range.Water deeply when watering and less frequently, as opposed to watering shallowly and more often. An inch of water applied every week works best. You can apply sand to your lawn since dew worms do not like crawling on the rough sand. Good luck!! Mfbandit769 on Apr 18, 2017. This species of earthworms are more common on older, …Aug 17, 2021 · Sometimes called grub worms, though not technically worms at all, the white grubs you’ll find in your garden and lawn are Scarabaeidae larvae, spanning several genera. These root-feeding larvae are major pests of lawns and turfgrass, but they will also feed on the roots of edible garden plants such as potatoes and carrots , ornamentals, and ... The most important turfgrass infesting white grubs in Texas are the June beetle, Phyllophaga crinita (Figure 2), and the southern masked chafer, Cyclocephala lurida. Warm season grasses like bermudagrass, zoysiagrass, St. Augustinegrass and buffalograss are attacked readily by both types of white grubs, with most lawn damage occurring …Sod webworms are the larvae of lawn moths. They live in the root level of your lawn and munch up the grass leaves. At the root level, you'll see small white tubes made of silky web. At dusk, you might even see the worms themselves. They're about 1/4 - 3/4 inch long. Webworm Lawn Damage. They can kill an entire lawn in a matter of days.These giant earthworms average 1 metre (3.3 ft) long and 2 centimetres (0.79 in) in diameter and can reach 3 metres (9.8 ft) in length; however, their body is able to expand and contract making them appear much larger. On average they weigh about 200 grams (0.44 lb). [3] [4] They have a dark purple head and a blue-grey body, and about 300 to ... Lawn worms are a diverse group with varying impacts on garden health. While earthworms are beneficial for soil health and overall garden vitality, species like cutworms and armyworms can pose significant challenges. Effective garden management involves encouraging beneficial worms while controlling the harmful ones, ideally …Worms are attracted to lawns with a high organic content, explains the Amateur Gardening experts. According to John Negus, the best way to reduce the problem with worm castings is to feed the grass with …May 10, 2020 · Ironite: What it is and How to Use it. As the name suggests, Ironite is a nutrient supplement for lawns that is high in iron content. Iron plays a big role in the “re-greening” of lawns by aiding in the process of photosynthesis. The same is true of many other plants. Using an iron supplement for your rose bushes and vegetables will help ...Grub worm problems tend to develop in lawns that consist of a single grass species or lawns that are over-fertilized and over-irrigated (more on this in a bit). But, when infestations of 15 or more grub worms per square foot of lawn are present, your lawn may develop brown patches that peel back easily like a carpet. Choose an area where you see webworm damage. Mark out an area in the lawn that is 1 square yard in size. Add 1 ounce of dish soap to 1 gallon of water. Pour the water over the area. If there are more than 15 larvae (healthy lawn) or 5 larvae (stressed turf) per square yard, consider treatment. 3.Lawn pests like armyworms, sod webworms, grubs, and cutworms can significantly damage turf grasses. Identify what type of lawn worm or caterpillar is infesting your yard and what products to use to kill and prevent lawn pests. Ask A Pro: 866-581-7378 Mon-Fri 9am-5pm ET Live Chat Contact Us.Augustine or bermuda, but it did matter if the lawn was well tended. You didn't find them chewing their way through dry, sparse turf. One lonely white grub worm ...Pests Can Destroy Your Lawn. We offer affordable solutions to keep pests from ruining your lawn. This very effective treatment controls 3 pests with only ...Worms are more than slimy fish bait. Their presence in our soil is crucial to its health and nutrient level. Lawn worm castings are the result of these organisms eating and processing detritus and organic debris. However, worm mounds in yard and garden areas can be annoying and make holes in turf grass.How to protect your lawn from sod webworms. Look for dew sparkling on the webs in the early morning or at dusk. Look for sod webworms using flotation method. Use the flotation method to force the caterpillars to the surface, where they can be counted. Use a coffee can with the bottom and top removed and sink it into the turfMeasure 1/2 to 1 3/4 inches long. Nuisance household pest in the fall. Feed on seeds of boxelder, golden raintree, and soapberry, but don’t injure trees. Avoid planting host trees in close proximity to house. Plug openings around windows and doors, and caulk small openings that can serve as points of entry.Feb 7, 2024 · 6. Use Iron sulphate. Iron sulphate is a worm cast treatment that increases the acidity of the soil. Worms hate acidity! Applying an iron sulphate solution every couple of months will cause worms to burrow deeper, leaving your grass free from casts. Use lawn sand for spring and iron sulphate for autumn.The lawn-dwelling bugs or insects in this guide are commonly encountered by gardeners and people who spend time outside. While millions of organisms live in soil, this guide will focus on the bugs we find while digging or gardening. It also discusses whether or not they are harmful (requiring elimination from your yard).Types of Lawn Pests A Guide to the Most Common Lawn Pests Having a perfect lawn is a dream many homeowners strive for. While managing all the basics, including watering, …Jan 16, 2023 · In general, having earthworms in the lawn is an indication of healthy grass. Worms help aerate the soil, recycle nutrients into the soil, reduce thatching, repair damaged soil, and help monitor soil moisture levels. On the downside, worms create bumps in the lawn that can make mowing difficult and affect the lawn’s appearance, too many ... Feb 15, 2022 · Like most lawn pests, sod webworms always attack a weakened lawn first. By properly fertilizing, watering, core aerating and mowing properly, your grass will be healthy enough to fend off just about any challenge. Keep your mowing height in the three- to four-inch range. Cutting your lawn too short can cause scalping and thin turf. Nov 7, 2023 · Giant lawn worms, also known as nightcrawlers, are indeed real and can be found in various regions across the globe. These worms are known for their large size and are often used as bait for fishing. They can grow up to several inches long and are typically found in moist soil or lawns, where they play a vital role in aerating the ground. Regular feedings provide the nutrients your lawn needs to grow strong to better protect itself from insect damage. Your lawn will begin to wilt when water is needed. As much as possible take advantage of nature's sprinkler and rely on the rain to water your lawn. If using sprinklers, water lawns deeply and infrequently (1" of water per week is ... Neem oil is effective at killing armyworms and other pests. Mix a solution of one to two teaspoons of pure neem oil in a spray bottle with a gallon of warm water and a teaspoon of liquid soap or insecticidal soap. Spray the solution on lawns and other affected areas like plants twice a week as a preventative measure. Worms in your lawn are SO beneficial for your soil. The aeration that earthworms provide helps to maintain optimum soil health. The worm castings add microorganisms to the soil and the bio-cycle provides needed nutrients for plant-life. This is an all-natural and organic process that doesn’t require chemicals. Get a Quote or Call 800.845.0580. A white grub problem can cause serious damage to the health, appearance, and natural defenses of your lawn. White grubs in your soil can attack the roots of your grass, and just a handful of grub worms can lead to serious damage over time, even if you have a healthy lawn. If in your yard you fin ...4 days ago · This may be possible in a small area but a large lawn just not very practical. 9. Biological Control: Apply Milky Spore Grub Control Mix aka Grub Worm Killer. This commercially available method called “ Milky Spore Disease” [ amazon] is especially potent against Japanese beetles.Fall armyworms. Although called worms, they are actually caterpillars of a moth. They are infesting lawns along the Southeast, as well as stretching into areas as far west as Texas and as far north as Michigan. The fall armyworm gets its name from its behavior of moving across fields in an army-like fashion, leaving dead grass in their wake.Native to southeastern state of Victoria, and found only in the Bass River Valley of South Gippsland, the giant Gippsland worm ( Megascolides australis) measures on average 3.3 feet (1 meter) long ...Whether growing vegetables, herbs, flowers, or a lush lawn, worm castings can play a vital role in your garden’s success. Let’s see how you can apply them. 1. Germinating Seeds. Studies have shown that the magic happens faster when that seed is planted in soil sprinkled with a touch of vermicompost. It’s like adding a little extra spice ...Apply Neem Oil. Another effective natural pesticide is neem oil. Neem oil inhibits armyworms’ life cycle by disrupting the absorption of carbon dioxide from the air of the plant they feed on. Therefore, spraying neem oil on your lawn can hinder the growth of armyworms, controlling their population.The Oregon giant earthworm ( Driloleirus macelfreshi) is one of the largest earthworms found in North America, growing to more than three feet (0.91 m) in length. First described in 1937, the species is not common. Since its discovery, specimens have been documented in only fifteen locations within Oregon's Willamette Valley .Worms in lawns are generally beneficial and can improve soil quality by aerating the soil, breaking down organic matter, and creating channels for water and nutrients to reach plant roots. Mushrooms in lawns are not harmful and can even provide nutrients to the soil. They are signs of healthy soil and should be appreciated.A beautiful yard is a nice way to take pride in your home. These days, lawn maintenance is easier than ever, because yesterday’s mowers have given way to today’s lawn tractors. Law...They generally take shelter from sun and heat during the day and feed most heavily on your lawn in the evening, at night or in the early morning. As the worms eat the grass, they create circular bare spots in lawns. When invasions are heavy, the lawn appears to move. 4. Neem oil is an effective pesticide against grubs while also being safe for pollinators. For a DIY solution, mix neem oil and water according to label instructions. …Worm casts are small heaps of muddy soil ejected by some species of earthworm, mainly Aporrectodea and Lumbricus species. They can be tolerated and brushed off when dry, …3. Anecic earthworms. ‘Anecic’ is greek for ‘out of the earth,’ because although these worms live below ground, they come up to soil level for their food. These worms are those that burrow vertically in the mineral layers of soil, creating permanent burrows as deep as six feet below surface level.Worms are more than slimy fish bait. Their presence in our soil is crucial to its health and nutrient level. Lawn worm castings are the result of these organisms eating and processing detritus and organic debris. However, worm mounds in yard and garden areas can be annoying and make holes in turf grass.For homeowners who have lawns, the grub worm is one such pest. Also commonly called grubs, lawn grubs, white grubs, or turf grubs, these critters feed on the roots of lawn grass and can cause significant damage if …Water deeply when watering and less frequently, as opposed to watering shallowly and more often. An inch of water applied every week works best. You can apply sand to your lawn since dew worms do not like crawling on the rough sand. Good luck!! Mfbandit769 on Apr 18, 2017. This species of earthworms are more common on older, …When you need to know how to seed a lawn, the key to success is in preparing the soil. It’s also important to choose the best type of grass seeds to plant for the season and your l...It won't work on mature caterpillars, though. For them, I recommend buying a bottle of garden insecticide labeled for armyworms that you can attach to the end of a hose. This makes spraying the lawn quick and easy. Granular lawn insecticides don't work well. Pests are a pain most gardeners must contend with.Jun 22, 2021 · Control thatch: “Cutworms like to hide in the thatch layer during the day, so controlling thatch can help prevent cutworm infestations,” Holmes says. Dethatch when needed to limit the level in your lawn. Lawn care: Cutworm moths tend to lay eggs in high grass and weeds, so mowing regularly can deter an invasion. Get a Quote or Call 800.845.0580. A white grub problem can cause serious damage to the health, appearance, and natural defenses of your lawn. White grubs in your soil can attack the roots of your grass, and just a handful of grub worms can lead to serious damage over time, even if you have a healthy lawn.Check compost, mulch, sod, soil, and potted plants for unusually active, jumpy worms or small yellow to brown lemon or teardrop-shaped earthworm cocoons. If ...Most grub worms are from Japanese beetles who lay their eggs midsummer in sunny areas of your lawn. You can prevent grub worms by detecting them and then ...Feb 15, 2022 · Like most lawn pests, sod webworms always attack a weakened lawn first. By properly fertilizing, watering, core aerating and mowing properly, your grass will be healthy enough to fend off just about any challenge. Keep your mowing height in the three- to four-inch range. Cutting your lawn too short can cause scalping and thin turf. 2.7M Likes, 13.9K Comments. TikTok video from Tim The Lawnmower Man (@timthelawnmowerman): "GIANT Lawn Worms killing your grass with @TheUnblockersAus #satisfying #lawns #lawntok #unbelievable". army worms. Has your Lawn lost all its colour?original sound - Tim The Lawnmower Man. White grub worms are a huge nuisance in many homeowner lawns found throughout the United States. Take a deeper look at the grub worm, one of the most notorious ...Apr 23, 2022 ... Have you noticed little white grubs in your soil? White grub worms are a huge nuisance in many homeowner lawns found throughout the United ...In the last few summers army worms have become more and more active, destroying lawns across the country, including right here in Oklahoma.Creating a lush, green lawn is a great way to improve the look of your home and yard. Seeding your lawn is one of the most effective ways to achieve this goal. But before you start...The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place. Wireworms are the larvae of click beetles. Some species live in the soil and feed on plant roots, they usually only cause problems when grassy areas are converted to ...Checking the soil for grubs is the only way to confirm that your lawn has grubs and to determine if you need lawn pest control. Make cuts 6 to 12 inches long and about 3 inches deep on three sides of a patch of grass. Peel back the turf and look for grubs. Check several areas and estimate the number of grubs per square foot of your lawn.Little green worms are crawling all over the Dallas-Fort Worth area in Texas. Scientists attribute the outbreak of cankerworms, or inchworms, to recent heavy rains. SCOTT SIMON, HOST: North Texans ...The Reality of Giant Lawn Worms. The allure of giant worms may captivate our imaginations, but the reality is far from the claims of these mythical, feet-long creatures. While earthworms indeed play a vital role in gardens and soil ecosystems, they typically do not grow anywhere close to the exaggerated lengths often mentioned.Jul 10, 2023 ... What to do · Improve drainage so that your soil is not waterlogged or slow to drain. · Make sure that the lawn isn't being excessively irrigated&...Worms are more than slimy fish bait. Their presence in our soil is crucial to its health and nutrient level. Lawn worm castings are the result of these organisms eating and processing detritus and organic debris. However, worm mounds in yard and garden areas can be annoying and make holes in turf grass.Oct 23, 2021 · In other words, operate the mower in an east to west direction. This will pull up any unwanted thatch material from the soil surface. Attach the thatching blade to the lawn mower. Run the lawn mower, with the thatching blade still attached, in a north to south direction to remove more dead material from the lawn. Your lawn can be restored back to its healthy state by getting rid of grub worms, and we've got the solution here!Nov 18, 2021 · Dylox is one of the best lawn insecticides because it is a fast-acting curative grub control. It also works on soil and surface-feeding insects like mole crickets, white grubs, cutworms, sod webworms, and armyworms. The active ingredient is Trichlorfon. Dylox must be watered for one to a half hours to ensure maximum results.Aug 28, 2022 ... Earthworms in Lawns ... Earthworms are very beneficial to a home lawn and landscape, serving as an indicator of healthy soil. Their movement ...5 days ago · 5. Lawn Army Worm. Initially appearing as light green larvae, lawn armyworm eventually develops into green caterpillars with white and brown stripes running along their sides. Along the white stripe on their sides, you can see rows of half-circle black spots. The adult moths have dark patterns and are grayish-brown in color.Sep 1, 2021 · A 10-foot monster native to the grasslands of Victoria, the giant Gippsland earthworm may appear terrifying, but it's actually a threatened species whose biggest foe is humans. From the huntsman spider and saltwater crocodile to the olive python and snake-swallowing frog, Australia is undoubtedly home to some of the world’s scariest creatures. See full list on familyhandyman.com Today, my expertise, backed by formal courses at UMass Extension Pesticide Education, allows me to offer top-tier lawn care services and advice. I am a fully licensed and insured lawn care applicator in Massachusetts, specializing in comprehensive turf nutrition, weed control, and lawn pest control. My license number is AL-0053865.May 23, 2023 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ... When it comes to lawn care, fertilizing is one of the most important steps you can take to ensure your grass looks its best. Fertilizers provide essential nutrients that help grass...In a lawn, earthworms work as natural aerators. They turn over the soil in a steady and methodical manner without any real disruption to the turfgrass. Their holes improve the movement of water and nutrients into the soil and make them more available to the lawn. In addition, they are some of the best decomposer organisms that exist in the soil. Oct 1, 2022 · Little green worms are crawling all over the Dallas-Fort Worth area in Texas. Scientists attribute the outbreak of cankerworms, or inchworms, to recent heavy rains. SCOTT SIMON, HOST: North Texans ...Control thatch: “Cutworms like to hide in the thatch layer during the day, so controlling thatch can help prevent cutworm infestations,” Holmes says. Dethatch when needed to limit the level in your lawn. …Worms in lawns are generally beneficial and can improve soil quality by aerating the soil, breaking down organic matter, and creating channels for water and nutrients to reach plant roots. Mushrooms in lawns are not harmful and can even provide nutrients to the soil. They are signs of healthy soil and should be appreciated.When it comes to lawn care, one of the most important steps is seeding. Seeding your lawn helps to ensure that your grass is healthy and lush. The first step in determining the bes...For instance, cutworms can damage your lawn by clipping off the blades of grass. When you look at your lawn, you’ll notice dead patches. But it isn’t immediately obvious that the grass has been chewed through by a cutworm. Some cutworms can climb, which means they will scale plants to eat the leaves, stems, and fruits.Oct 30, 2019 · Preventing Worms in Grass Is the First Step. Perhaps the best way to keep pests away from a lawn is proper maintenance and keeping it healthy. To do this, plant a variety of plants to avoid a monoculture (in the planters and gardens near the grass), which can draw higher amounts of a certain kind of pest. Also, pick plant species that are less ...
got a call out this morning to a customer at Epping, NSW, she was distressed with the devastation caused by the army worm, we treated with insect control and gave it a hit with fertiliser to help get lawn back before winter cold sets in - call us on 0412.766.955 if you are in trouble . #lawncareexperts #lawncaresydney #lawnrepairsydney #lawndoctorsydney …. Download movies from amazon prime
Whether your lawn is looking unhealthy or you’re simply trying to maintain its current beauty, proper fertilization should be part of your lawn care game plan. Don’t rush out and b...Sometimes called grub worms, though not technically worms at all, the white grubs you’ll find in your garden and lawn are Scarabaeidae larvae, spanning several genera. These root-feeding larvae are major pests of lawns and turfgrass, but they will also feed on the roots of edible garden plants such as potatoes and carrots , ornamentals, and ...Fertilizers are essential for keeping your lawn looking lush and healthy. But with so many different types of fertilizers on the market, it can be difficult to know which one is ri...Jul 11, 2020 · Some non-toxic approaches include biological pesticides, repellents and barriers, oils and soaps, and beneficial insects. I’m a huge fan of using beneficial insects to get rid of harmful insects on my property. For example a great way to clear up lawn grubs is to spread beneficial nematodes (worms) in the area and allow them to eat the grubs. 4 days ago · This may be possible in a small area but a large lawn just not very practical. 9. Biological Control: Apply Milky Spore Grub Control Mix aka Grub Worm Killer. This commercially available method called “ Milky Spore Disease” [ amazon] is especially potent against Japanese beetles.The activity of earthworms, especially “night crawlers” often contributes to a rough and bumpy lawn surface that can be both annoying and dangerous. Another “problem” associated with earthworms is the movement of large numbers to places where they are unwanted (such as onto sidewalks or patios and into swimming pools). Earthworms can be annoying. However, it is important to remember ... Here are some tips to keep in mind when doing an army worm treatment: Apply the product late in the day, since armyworms are active at night. If possible, mow the affected lawn before applying the product. This can destroy some larvae and also reduce the depth that the product must penetrate to be effective.A healthy worm population is more beneficial for your lawn than not and they do their best work below the surface of your lawn and out of sight. Whilst working away below ground worms offer many free services. Not only are they protecting themselves from becoming a tasty treat to our feathered friends, they offer natural aeration as they travel.May 12, 2021 · Worms do not give birth since babies come from eggs and are not live born. I suppose you can consider forming and depositing the egg-filled cocoon “giving birth.”. The process of forming a cocoon full of worm embryos starts when the worms separate after mating. At this stage, each worm forms a new mucous tube, which then passes over the ...White grub worms are a huge nuisance in many homeowner lawns found throughout the United States. Take a deeper look at the grub worm, one of the most notorious ...Dew worms are worms the size of snakes, with their greasy, gummy bodies ranging from 10-30 cm long. While worms are excellent to have in the yard for their ability to aerate the soil, dew worms (or night-crawlers), are far too much of a good thing. Active at night and early morning, when the lawn is wet (hence the name), they can churn a ...There are several ways to determine whether you have army worms on your lawn. One method is to pour a mixture of water with detergent over a small area of the lawn. You should then monitor the area for 10-15 minutes for the appearance of caterpillars on the surface of the lawn. Alternatively, you can go hunting for army worms at night. The Oregon giant earthworm ( Driloleirus macelfreshi) is one of the largest earthworms found in North America, growing to more than three feet (0.91 m) in length. First described in 1937, the species is not common. Since its discovery, specimens have been documented in only fifteen locations within Oregon's Willamette Valley .Sod webworms are the larvae of lawn moths. They live in the root level of your lawn and munch up the grass leaves. At the root level, you'll see small white tubes made of silky web. At dusk, you might even see the worms themselves. They're about 1/4 - 3/4 inch long. Webworm Lawn Damage. They can kill an entire lawn in a matter of days. The Tomcat® Mole Killer(a) is scientifically designed and tested to mimic a mole’s* natural food source, the earthworm. Moles* may consume a lethal dose in a single feeding, but it may take 2 or more days from the time of bait consumption for moles to die..