Striped Cucumber Beetle (photo courtesy of Scott Bauer, USDA Agricultural Research Service, Bugwood.org) The adult spotted cucumber beetle is approximately the same size as the striped, however it has a yellowish body with 10-15 black spots on its wing covers. © Copyright 2020 Hearst Communications, Inc. Several generations occur in a single season, building up their numbers and their damage by season's end. There is a long list of cucurbit varieties that are favored by cucumber beetles, and are thus excellent trap crops. Cucumber beetles are nasty little pests that attack cucumbers and related plants (squash, melons, pumpkins) throughout the growing season. I did one application on entire garden ( every plant on 1 1/2 acres) killed off the tomato worms, cucumber beatles, squash bugs, japanese beatles, cabbage worms, potato bugs, and some more I'm sure weren't doing it good. Sevin is favored, especially in vegetable gardens, for its non-toxicity to both humans and plants. Sevin Dust is the most popular form for gardeners, Sevin Ready-to-Use 5% Dust Insect Killer comes in a convenient shaker bottle for easy application. They also frequently carry the plant diseases bacterial wilt and squash mosaic virus. Another way to get rid of the adult squash bugs (and perhaps the cucumber beetles) on the spot is to use a biodegradable detergent dish soap. With Sevin ®-5 Ready-To-Use 5% Dust, there's no measuring, mixing or water necessary. Here in Kansas we always have wind. Repeat if you see beetles a few days later. Sevin dust has been shown to be effective against cutworms because they’ll come into contact with the dust as they’re foraging for food. Malathion cannot be used with carbaryl dusts or liquid sprays because the combination is toxic to the plant. However, you should always avoid using synthetic pesticides when possible, as they contain harmful chemicals to humans, pets, and the environment. provides a simple, economical way to provide large-scale coverage of vining cucurbits or other cucumber beetle targets. The leaves are curling under. Sevin dust has been shown to be effective against cutworms because they’ll come into contact with the dust as they’re foraging for food. Liquid carbaryl, 23.7 percent, is an alternative to the powdered formula. Insecticides Cucumber Beetle Control Cucumber Beetles are approximately 1/4 inch in length. The liquid form of Sevin dust kills insects like Colorado potato beetles. I always recommend avoiding commercial pest killers and using natural or organic alternatives instead. I have been organic gardening for years with great results, and why would you spray that on your garden anyway? GardenTech is a registered trademark of Gulfstream Home and Garden, Inc. Sevin is a registered trademark of Tessenderlo Kerley, Inc. "Striped Cucumber Beetle" by Katja Schulz licensed under CC BY 2.0, "Spotted Cucumber Beetle" by Marvin Smith licensed under CC BY-SA 2.0, "Spotted Cucumber Beetle - Diabrotica undecimpunctata" by Judy Gallagher licensed under CC BY 2.0, "Spotted cucumber beetle" by Julie Feinstein licensed under CC BY 2.0. simplifies target spot treatments and lets you control the width of the stream from narrow or wide. They target members of the Cucurbit family, such as cucumbers, melons and squash, but some species go after eggplants, beans and other crops. There is little to no risk to honeybees because of application timing and little of the insecticide is transported to the flowers from the root system. Is PyGanic Gardening good for cucumber beetles on pumpkins? Sevin dust, also known by the common name carbaryl, has a long history of use for dozens of garden pests and is only mildly toxic in the environment. How often can I apply Sevin Dust 5% on my vegetable plants? My yellow squash and zucchini are infested with both striped and spotted cucumber beetles. It worked wonderfully for the squash bugs, But not so much for the cucumber beetles. Kills Japanese beetles; Leave pesky bugs in the dust. I put it on about 3-4days ago because of cucumber beetles and this morning I saw one alive so I put just a little more dust on. "Striped Cucumber Beetle" by Katja Schulz, "Spotted Cucumber Beetle" by Marvin Smith, "Spotted Cucumber Beetle - Diabrotica undecimpunctata" by Judy Gallagher, "Spotted cucumber beetle" by Julie Feinstein, Protecting Late-Season Veggies from Insect Pests, Plant Pest Detective: Identifying Common Plant Pests, Identify and Control Cucumber Beetles (Striped and Spotted). GardenTech® brand offers several products to kill cucumber beetles by contact and keep protecting for up to three months*. Cucumber Beetles are perhaps the Gourd Growers enemy number 1, and some kind of insect control should be used to control their numbers, the most common type of insecticides are chemical like Sevin, however we like to steer more toward non chemical insecticides. This Sevin insecticide is an effective and highly concentrated insecticide that is able to kill … here is an all natural method, get worm castings mix with water and spray the plants. Since cucumber plants are sensitive to insecticides, it's better to stick with natural options. Identification: Depending on the species, common cucumber beetles are spotted or striped. D.E. Sevin dust. Spray to wet all surfaces of the plant thoroughly, and spray in the early morning or late evening when the flowers are closed to prevent toxicity to bees. Last resort pesticides: a mixture of neem with karanja oil can reduce cucumber beetle populations by 50 to 70 percent . What is the drench/foliar application rate for beetles on cucumber? Malathion in a 50 percent emulsion is added at 1/2 to 1 1/4 fluid ounces per 1 gallon of water to cover 1,000 to 3,500 square feet of garden area. Sevin-5 is reserved for outdoor use on garden lawns, and it kills 65 different pests, including Japanese beetles, grubs and ticks. The botanical pesticides sabadilla, rotenone or pyrethrum have moderate effectiveness in controlling cucumber beetles. Yep, they like beans. Trap Crops - Striped cucumber beetles have food preferences just like we do. I put it on about 3-4days ago because of cucumber beetles and this morning I saw one alive so I put just a little more dust on. And, they start on the older leaves. There are different variations of Sevin dust, including 5-percent carbaryl dust, 10-percent carbaryl dust and garden dust. One gallon treats 8,000 sq. Here is a close up of the spotted cucumber beetle. Sevin kills imported cabbageworm, cutworms, flea beetles, stink bugs, whiteflies, aphids and other listed lawn and garden insects. attaches to a common garden hose and mixes and measures as you spray. Adult beetles damage all plant parts above the soil line, feeding on fruits, soft new shoots, flowers and leaves. Three dust formulations can be used for cucumber beetles: carbaryl, 5 percent; pyrethrin, 1 percent; and rotenone, 1 percent. It says don't use it no more then 6 times a yr and I only used it once before. You can also minimize insecticide use by planting resistant varieties. I believe the dust burned my plants. Sevin dust has been reported to be effective against cucumber beetles. Keep your gardens and surrounding areas free of weeds and long grasses to reduce spring numbers. The trade name Sevin rates are accurate in the evening or early in the season large ladybugs economical. 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