The bigger the agave plant, the more attractive it is to the agave snout weevil. As a general rule snout beetles seem less attracted to agaves like the Agave Attenuata species with: What is the agave snout weevil? The weevil is a form of beetle and grows approximately an inch (2.5 cm.) 19-24. Forum rules This section is dedicated toward maintaining one active thread for each plant pest and disease. 4. Agaves. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. 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). Sign up for our newsletter. Weevil-resistant agave varieties are also being selected and bred, but it may be years before a good supply is widely available. The night before, soak (hose-water) the soil at the base of each agave to aid penetration. 07.17.2009 by Kasey // As the agaves begin wilting out there, I am getting more and more questions about the proper treatment for prevention. In the video you can see one of the Weevil larvae. 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. 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. 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. 1. The adult weevil attacks many species of agave. 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. I'm seeing more of the variegated forms in … A population of agave snout weevils can decimate the agave crop and then what will we put in margaritas? Snout weevils prefer the wide-blade forms of agave such as Agave Americana in both the blue form and the variegated forms. Agave snout weevil treatment is widely available in Arizona, New Mexico and zones where the plants are grow outdoors. This particular species also shows some resistance to the agave snout weevil and is usually ignored by rodents. The reversible symptoms of water deprivation include inward-curled leaves and a slouching posture. Succulent and southern gardeners will recognize the damage of the agave snout weevil. LIFE CYCLE: In the low desert adult agave weevils become active in the spring and can The adult weevil is about ½ inch (12 mm) in length, is brownishblack and has a dull body (Fig. 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. For special varieties, plant agaves in containers and also look for other succulents such as larger stapelias, euphorbia species and aeoniums. As the tissues soften and decay, the parent and its progeny are merrily munching away on your plant. My wife found this one … Agaves naturally funnel rainwater water to their roots, so if you slosh the solution where lowest leaves meet the core, you'll effectively drench the soil below them at the base of the plant. One day it will look fine, the next day the plant is wilted and the stiff rapier sharp leaves are flat to the ground. The agave snout weevil (Scyphophorus acupunctatus) adult measures about 1/2-inch long, has a dull brownish-black body and a characteristic long snout. Photo: Courtesy photo 2 of 5 Agave snout weevil crawling out of a damaged agave… Infested plants will show leaf wilt, followed by total collapse of the plant. long. Read and follow the label directions. I’m sorry to hear it, Linda, but not surprised. One cold-hardy variety that is less susceptible to damage is Parry’s agave ( Agave parryi, Zones 7–10); it has harder leaves that seem to deter the weevils. Agaves in cultivation enjoy good drainage and regular water when the soil is going dry, but not much sooner. This is due to the bloom habit of the plant. Use this forum to help with identification issues and treatment for a variety of common afflictions pertinent to our favorite horticultural charges. Smith G F, Figueiredo E, Klopper R R, Crouch N R, Janion C, Chown S L, 2012. The snout-nosed agave weevil loves yuccas too. Damage occurs quickly, followed by death because the bite of the weevil deposits bacteria that literally rot the agave. DAMAGE: Adults chew into the leaves of agave and introduce a bacterial rot … Over the past six years, I have acquired a small, but growing, collection of. Systemic insecticides with the active ingredient Imidacloprid have been effective in preventing and controlling the snout nosed weevils. Larvae are similar to white grubs without legs. Yucca was declining for awhile. 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. Vaurie P, 1971. I’m trying to make a website with some general info. 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. 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