pheromones Articles

  • Response to host plant odors and aggregation pheromone by larvae of the Colorado potato beetle on a servosphere

    Using a servosphere (locomotion compensator), locomotory behavior of Colorado potato beetle Leptinotarsa decemlineata Say (Coleoptera: Chrysomelidae) larvae was measured in detail in response to pulsed and non-pulsed odors of hostplant and conspecific pheromone. Second instars showed decreased straightness of movement, and all larvae showed decreased speed, in response to potato odor. Change in ...

    By Springer

  • Regulation of sexual development in the basal termite Cryptotermes secundus: mutilation, pheromonal manipulation or honest signal?

    Social insect colonies are not the harmonious entities they were once considered. Considerable conflicts exist between colony members, as has been shown for Hymenoptera. For termites, similar studies are lacking, but aggressive manipulations have been claimed to regulate sexual development, and even to account for the evolution of workers. This study on a basal termite, Cryptotermes secundus ...

    By Springer

  • Semios Receives US EPA Approval for 3 New Pheromones To Target the Most Destructive Pests in the Apple & Pear Industry

    Vancouver, BC, November 24, 2014 – Semios, provider of real-time agricultural information and precision pest management tools, has been given US EPA approval for three aerosol pheromone products that disrupt the mating of codling moth and oriental fruit moth. “Our new formula performs extremely well at lower temperatures, emitting a drier mist that disperses quickly across an ...

    By Semios

  • Can bats reduce nut farmers’ pesticide use?

    Ecologist Katherine Ingram is on a quest to quantify the economic value of insect-eating bats in walnut groves. For the past three years, Katherine Ingram has had a most unusual summer job: catching bats and studying their droppings to see what they eat. A doctoral student in ecology at the University of California, Davis, Ingram is exploring the role bats can play as winged ...

    By Ensia

  • The developing world is awash in pesticides. Does it have to be?

    Herbicides, insecticides and fungicides threaten the environment and human health in many parts of the world. But research is pointing to a better approach. In today’s globalized world, it is not inconceivable that one might drink coffee from Colombia in the morning, munch cashews from Vietnam for lunch and gobble grains from Ethiopia for dinner. That we can enjoy these ...

    By Ensia

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