The snout-nosed agave weevil loves yuccas too. 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. This destructive and voracious insect seems to prefer the larger, broad-leafed species. 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. 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. The indoor agave gardener may have to look a little harder for products that will work against the weevils. My Weber’s agave was looking so big and beautiful this past spring. Not treating you take a risk of infestation, which may or may not happen this year or even next year. Apply the granular form and dig it into the soil around the agave. 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). Agave Snout Weevil. The snout weevil seems to prefer Agave americana (especially older ones and variegates), but will go after other Agave species. It blooms only once in its life and then dies, and it can take years for the plant to produce that one flower. They have killed 2 medium sized agaves in my yard this year. It is a black insect with the scientific name Scyphophorus acupuntatus. By: Bonnie L. Grant, Certified Urban Agriculturist. 4. From Garden Bits, photos by Valerie, on the 4th site listed in Member Notes. Controlling Snout Nosed Weevils. Photo: Courtesy photo 2 of 5 Agave snout weevil crawling out of a damaged agave… Propagation is primarily through pups. Agaves approaching maturity, or those with a wide, blue-green leaf seem to be the most susceptible to damage by the snout nosed weevil. When you water, the chemical will slowly release down to the roots of the plant and then into the vascular tissue, protecting it from the pest. The bite of the beetle injects bacteria which cause the plant tissues to soften and liquefy. 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. What is the agave snout weevil? Three agave plants near my house that are currently infested with Weevils. Apply the granular form and dig it into the soil around the agave. The bigger the agave plant, the more attractive it is to the agave snout weevil. 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. 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. As a general rule snout beetles seem less attracted to agaves like the Agave Attenuata species with: The indoor agave gardener may have to look a little harder for products that will work against the weevils. Most Agaves are usually not hit by serious pests or diseases. DAMAGE: Adults chew into the leaves of agave and introduce a bacterial rot … But they are hard to see on your plants because they hide in the soil and between the leaves at … DESCRIPTION: Adults are dusty black weevils about one inch long, with a long snout. Agave Borer Weevil, (also known as the Agave Snout Weevil) and the Yucca weevil are devastating insect pests to members of the Agave and Yucca genera. I could barely believe it. 1. Whenever I see an ailing Agave americana, the first thing I suspect is agave snout weevil. Over the past six years, I have acquired a small, but growing, collection of. Agave snout weevils (Scyphophorus acupunctatus) can be a problem for landscapes in the low desert. The first questions is whether or not to treat. Tom Gatz March 2001. Agaves in cultivation enjoy good drainage and regular water when the soil is going dry, but not much sooner. 3. Use this forum to help with identification issues and treatment for a variety of common afflictions pertinent to our favorite horticultural charges. I ended up completely dissecting it to find the weevil larvae. Infested plants will show leaf wilt, followed by total collapse of the plant. There is some evidence that species like Agave angustifolia – with its exceptionally hard outside skin – are less susceptible to snout nose weevil. 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