Potted agaves are more difficult for weevils (which don’t fly) to access. While members of the agave plant family have few real problems growing in our arid climate, the agave snout weevil is the one challenge that can give it fits. This pest is a double edged sword, doing damage to agave and other plants in both its beetle and larval form. ", Compare-N-Save Systemic Tree and Shrub Insect Drench, Agave Snout Weevil Prevention and Treatment, "Fibronil blamed for historical bee deaths", "Evil Weevils! A similar species also colonizes yuccas. About Agave Snout Weevils. Forum rules This section is dedicated toward maintaining one active thread for each plant pest and disease. They have killed 2 medium sized agaves in my yard this year. Over the past six years, I have acquired a small, but growing, collection of. This particular species also shows some resistance to the agave snout weevil and is usually ignored by rodents. There is some evidence that this plant is resistant to the Agave Snout Weevil, Scyphophorus acupunctatus. Most Agaves are usually not hit by serious pests or diseases. There is some evidence that species like Agave angustifolia – with its exceptionally hard outside skin – are less susceptible to snout nose weevil. I'm seeing more of the variegated forms in … The snout-nosed agave weevil loves yuccas too. Agave Snout Weevil (Scyphophorus acupunctatus) by QCHammy Nov 23, 2008 10:34 PM. One day it will look fine, the next day the plant is wilted and the stiff rapier sharp leaves are flat to the ground. To mix the solution, I use a hose, a 3-to-5 gallon bucket, and a stick for stirring. It blooms only once in its life and then dies, and it can take years for the plant to produce that one flower. Agave Snout Weevil. When the larvae hatch, they spread bacteria and do physical damage as they chew further into the core of the plant. Tom Gatz March 2001. The snout weevil seems to prefer Agave americana (especially older ones and variegates), but will go after other Agave species. The adult weevil attacks many species of agave. Sign up for our newsletter. 4. The larvae are the same ones you find in a tequila bottle and they busily chew until they have disconnected the interior tissue that connected the leaves to the crown. Agave snout weevil treatment is widely available in Arizona, New Mexico and zones where the plants are grow outdoors. By the time this happens, snout weevil control is pointless for that plant, but if you have other succulents and agave, there are steps you can take to protect them. However, if your agave is about to bloom, it’s best to forgo treatment as it could affect pollinators that are attracted to the blossoms. This plant tolerates extreme heat and is drought-resistant, but prefers regular irrigation to grow faster. DESCRIPTION: Adults are dusty black weevils about one inch long, with a long snout. The very large Agave americana or century plant is more susceptible to weevil damage than the smaller species. long. It seems to stay away from agaves with soft leaves, such as Agave attenuata ; those with tough, hard-to-pierce leaves (such as agaves ‘Sharkskin’ and v ictoriae-reginae ); and those with slender, nonjuicy leaves such as A. bracteosa and A. filifera . Infested plants will show leaf wilt, followed by total collapse of the plant. My wife found this one … Whenever I see an ailing Agave americana, the first thing I suspect is agave snout weevil. Plant Agave Cultivars Unattractive To Snout Weevils. Systemic insecticides with the active ingredient Imidacloprid have been effective in preventing and controlling the snout nosed weevils. Bradleya. The bigger the agave plant, the more attractive it is to the agave snout weevil. (If using. Snout weevil control is essential in southwestern areas, especially where agave is grown to make tequila. Jennifer C. Giron Duque, University of Puerto Rico, Bugwood.org, Different Agave Plants – Commonly Grown Agaves In Gardens, Weevils On Sago Palms – How To Control Palm Weevils, What Are Rose Weevils: Tips For Controlling Fuller Rose Beetle Pests, Different Dieffenbachia Varieties – Different Types Of Dieffenbachia, Citronella As A Houseplant – Can You Keep Mosquito Plant Citronella Indoors, Houseplant Placement – Houseplants And Where To Put Them, Common Garden Birds Of Prey: Attracting Birds Of Prey To Gardens, Deadheading Hibiscus Flowers: Information On Pinching Off Hibiscus Blooms, Turk’s Cap Lily Information: How To Grow A Turk’s Cap Lily, Growing Bentgrass In Lawns – Best Bentgrass Varieties For Your Yard, Dream Garden Improvement - Back To Nature, Propagating Houseplants 101: Tips For Propagating Plants, Sprengeri Fern Plant: Growing Houseplants As Family Heirlooms. Propagation is primarily through pups. The indoor agave gardener may have to look a little harder for products that will work against the weevils. Product labels don't say how much concentrate per gallon of water for agaves, so I go with the ratio for shrubs. Agaves Under Attack in Austin", http://tropicaltexana.blogspot.com/p/agave-weevil-eradication.html, Succulent Color Wheel Rainbow Centerpiece →, Tina Cremer, H2 Xero Landscape Design & Maintenance, https://debraleebaldwin.com/agave-photos-labeled-identified/, https://drive.google.com/file/d/1ILx-d4m5Fur2WtV3XqEUej6suGmUfirJ/view?usp=sharing, https://debraleebaldwin.com/succulent-experts/agave-snout-weevil-prevention-treatment/, https://www.youtube.com/watch?v=uxY5213CP30&t=1s. Being an Agave, you’ll highly likely have to deal with Agave snout weevils, also known as sisal weevils, which lay eggs on the base of the plant during spring, causing the infestation to escalate. But they are hard to see on your plants because they hide in the soil and between the leaves at … According to information provided through the Internet by the University of Arizona, College of … The agave snout weevil is also a serious pest where blue agave is grown commercially for tequila and in foreign countries where agaves have been introduced as landscape plants. Three agave plants near my house that are currently infested with Weevils. Not treating you take a risk of infestation, which may or may not happen this year or even next year. As the tissues soften and decay, the parent and its progeny are merrily munching away on your plant. Larvae are similar to white grubs without legs. Agave snout weevil treatment is widely available in Arizona, New Mexico and zones where the plants are grow outdoors. Succulent and southern gardeners will recognize the damage of the agave snout weevil. Vaurie P, 1971. The bite of the beetle injects bacteria which cause the plant tissues to soften and liquefy. It is a black insect with the scientific name Scyphophorus acupuntatus. The night before, soak (hose-water) the soil at the base of each agave to aid penetration. This is due to the bloom habit of the plant. Triazanon is available at most nursery and garden centers. My Weber’s agave was looking so big and beautiful this past spring. In the video you can see one of the Weevil larvae. Sucessfully Treating the Agave Snout Weevil. The adult weevil is about ½ inch (12 mm) in length, is brownishblack and has a dull body (Fig. According to agave experts, growers, and pest management specialists, the best approach is preemptive: drench the soil around healthy agaves with a systemic insecticide that has. Smith G F, Figueiredo E, Klopper R R, Crouch N R, Janion C, Chown S L, 2012. Apply the granular form and dig it into the soil around the agave. Apply the granular form and dig it into the soil around the agave. LIFE CYCLE: In the low desert adult agave weevils become active in the spring and can I’m trying to make a website with some general info. The agave snout weevil is a nasty, little black beetle just 1/2 inch long that can take out a mature agave the size of a VW bus. 1 of 5 The damage to this century plant in the Hill Country could be from the agave snout weevil. Agave snout weevils (Scyphophorus acupunctatus) can be a problem for landscapes in the low desert. Be sure to wear gloves and protect your skin and eyes. Read and follow the label directions. I’m seeing stands of dead yuccas around San Antonio. For special varieties, plant agaves in containers and also look for other succulents such as larger stapelias, euphorbia species and aeoniums. I first suspected that agave snout-nosed weevil had arrived in my rural community north of San Diego when I noticed a collapsed Agave americana in a friend’s yard. They chew and suck the sap from your Blue Glow plant, causing it to dry. Photo: Courtesy photo 2 of 5 Agave snout weevil crawling out of a damaged agave… Once an agave has bloomed, it is at the end of its life cycle and these plants are especially prone to agave snout weevil infestations. If snout weevil infestation is caught early enough, this treatment can also help stop it from spreading. From Garden Bits, photos by Valerie, on the 4th site listed in Member Notes. Use this forum to help with identification issues and treatment for a variety of common afflictions pertinent to our favorite horticultural charges. Bird Puzzle Feeder: A New Way to Enjoy Your Garden, How to Deal with Mealy Bugs on Succulents, Brody’s Lovely, Low-Cost Succulent Garden, one of the "Top 100 Worst Global Invasive Species. It then lays its eggs in the rotting tissue and, when hatched, the agave snout weevil larvae feed on the rotting crown and roots. Another way to prevent or control agave weevil attacks is to plant agaves the weevils find “not attractive.” Horticulturists are working hard to develop specific snout weevil resistant cultivars. This destructive and voracious insect seems to prefer the larger, broad-leafed species. Agaves and Yuccas are generally slow-growing specimen plants, and to lose one or more to these dratted pests can be heart-breaking, Agaves are relatively problem-free, except for the aggravating agave snout weevil (sometimes referred to as sisal weevil). Lost a yucca to Agave Snout Weevil. She lives atop a rocky hill surrounded by acres and acres of chaparral. These are slow-moving pests that thankfully cannot fly. These types of agaves (including A. sisal , which is grown for its fiber to make rope) contain very little succulent tissue, making them less attractive to weevils. Agave Weevils in the Low Desert. Apply this snout weevil control once per month during the growing season. It is hardy to ten degrees Fahrenheit. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. Weevil-resistant agave varieties are also being selected and bred, but it may be years before a good supply is widely available. Triazanon is available at most nursery and garden centers. Agave Snout Weevil (Scyphophorus acupunctatus). The first questions is whether or not to treat. This makes it easier for the larvae and parent to eat the tissues, but it will eventually cause the collapse of even the most mighty of agave. Thread Title A new specific plant host for the agave snout weevil, Scyphophorus acupunctatus Gyllenhal, 1838 (Coleoptera: Curculionidae) in South Africa: a destructive pest of species of Agave L. (Agavaceae). Soon after I joined the Central Arizona Cactus and Succulent Society, I was warned about the deadly and irreversible effects of attacks by agave snout weevils (Scphophorus acupunctatus). Agaves. 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