Early spot treatments of field edges can be helpful. Cucumber Beetle Control. Spotted cucumber beetles are often present on cucurbit crops at lower populations than SCB. For vine borers and pickleworms control after mid-June, apply neem oil extract weekly, and spray in the evening to not kill pollinating insects. Researchers suggest that the mechanism by which vermicompost reduces beetle damage is due to an increase in phenolic compounds in plants grown with vermicompost. Striped and spotted cucumber beetles and squash bugs are very damaging pests of cucurbit crops (such as cucumber, pumpkins, squash, watermelons, and muskmelons). Beetle numbers should be kept low, especially before the 5-leaf stage. Less wilt-susceptible crops (butternut, most pumpkins) will tolerate 1 or two beetles per … Row covers prevent beetles from colonizing plants in … The striped cucumber beetle (Acalymma vittatum) and the spotted cucumber beetle (Diabrotica undecimpunctata howardi) occur in the Northeast. Controlling cucumber beetle infection sometimes requires direct intervention. Striped cucumber beetles, Acalymma vittatum, are a common insect pest of cucurbits. To kill them, prepare a cup of soapy water and drop them. As with all pests, the more we know about their life cycle, the better we can defeat them using non-chemical means. There is usually be peak in beetle activity each spring that lasts two to four weeks. One thing you can do with cucumber beetles is pick them by hand. Natural mulches and composts can reduce cucumber beetle interplant movement, support populations of natural enemies that help control cucumber beetle populations, and cycle nutrients into the soil. Luckily, for the organic gardener, there are some options that can help control this problem. Once striped cucumber beetle numbers build up in these traps, treat them with an effective pesticide to minimize further movement. Adults can also vector fusarium wilt and the bacteria, Erwinia tracheiphila.Cucumbers and melons are particularly susceptible to bacterial wilt, and damage from this can be severe. You can discourage beetles from eating your crops by adding straw mulch and deterrent plants nearby. Cucumber beetles, and the closely related Diabrotica species (Diabrotica undecimpunctata or the spotted cucumber beetle) (Fig. A single post-transplant soil drench with Admire or Platinum can provide near season-long control. The threshold depends on the crop. The research and results are outlined below. You also can make cucumber beetle … Since cucumber plants are sensitive to insecticides, it's better to stick with natural options. The neem oil is very concentrated and will burn your plant if used in high dosages. 3), are attracted to cucurbits by naturally occurring bitter cucurbitacins (oxygenated tetracyclic terpenes), which, as an aside, has also be used to enhance insecticidal control. This article discusses trap cropping and mass trapping, two Integrated Pest Management (IPM) strategies that you can use to control cucumber beetles … If you prefer to use something a little stronger than the organic cucumber beetle control products listed above, apply VEGETABLES PLUS with SPREADER STICKER.Vegetables Plus is highly active on cucumber beetles and should be applied with a good PUMP SPRAYER.The Spreader Sticker will help get the treatment to cover the leaves of the plant better. The following cucurbit varieties are resistant to spotted cucumber beetles as seedlings and also have resistant foliage later in the season: Blue Hubbard (squash); Ashley, Chipper, Gemini (cucumber). They move slow during the morning or evening. There are no effective cultural controls for these pests. Adult cucumber beetles lay eggs at the base of plants in spring. Organic controls for cucumber beetles include handpicking, excluding them with row cover barriers, or using kaolin clay to disguise plants. Neem oil will kill striped cucumber beetles on contact. These strategies include using diatomaceous earth, kaolin clay, a botanical insecticide, several cultural control methods, and biological control. Using Admire Pro or Platinum at planting will control beetles for about 3 weeks. Once the seedlings blossom, stop spraying for cucumber beetles to allow bees to start pollinating the plants. Feeding from larvae and adults causes direct damage to roots, leaves, flowers, and fruits. Eradication efforts may include manual removal, clearing cultivated areas of litter, debris, and infested plants, and application of pyrethrin -containing insecticides such as Cyfluthrin or non-systemic organphosphate insectsides such as … Managing these pests in gardens and small farms can be challenging. Use a physical barrier. 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