Alcea is a genus of over 80 species of flowering plants in the mallow family Malvaceae, commonly known as the hollyhocks. Learn more about their control here.Hollyhockweevil adults overwinter in the soil of infested hollyhock beds, emerging from hiding in spring to feed and lay their eggs. The hollyhockweevil is not reported to be resistant to pesticides. Sevin or other insecticides labeled for landscape use should give more than adequate control of adults hollyhockweevils. Hollyhockweevils are common pests and can turn your plant leaves into an ugly mess. Learn how to identify and eliminate these pests now on Gardener's Path. Control. Most of the damage hollyhockweevils do is cosmetic, but in larger numbers they can disrupt the life cycle of your hollyhocks, which tend to be short lived perennials anyway. Remedies for Weevils. Before spraying affected hollyhocks with chemicals, you can try mechanical or biological controls. To controlhollyhockweevils effectively, many insecticides targeting chewing insects are suitable, with neem oil being a recommended organic option. Rhopalapion longirostre Pest description and damage The hollyhockweevil is native to southern-southeastern Europe and Asia Minor.Agronomic Weed Control. Cereal Grain Crops. Insect & Pest Control. Wood Boring Insects.Hollyhockweevils are tiny insects that overwinter in the soil of hollyhock beds and emerge in the springtime. Weevils and curculios comprise a large family of small, typically snout-nosed brown or black beetles. They feed at night and hide under leaf debris or in the soil during the day. Management of HollyhockWeevil in Gardens: Like many weevils, hollyhockweevils will usually drop when disturbed by shaking the plant. They can then be collected and destroyed. Larvae feed on the seeds. Hollyhockweevil overwinters as an adult in protected locations near hollyhocks or in seeds. Since hollyhock normally reseeds itself... Prevention: Hand picking is an effective strategy for controllingHollyhockWeevils, but sometimes these insects are too small to be noticed.
