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  • Eastern Columbine

  • Oak Lecanium Scale

  • Events & Opportunities

    … available for pick up at the Harford County 4-H Office. We will notify all exhibitors when they are available for pick up. Our office is open 8:00 … (youth ages 5-7) may choose to recite the 4-H Pledge, do Show & Tell or use their favorite book. The Duo Dialogue …

  • Extension Innovation in Times of COVID

  • Brown Rot on Ornamental Cherry Trees

  • Braconid and Ichneumonoid Wasps

    … Braconid wasp (Spathius agrili). Photo: Jennifer Ayer, Bugwood.org Updated: March 1, 2023 Braconid Wasps Braconid wasp parasitizing cabbage aphids. Photo: David Cappaert, … Perhaps the most widely recognized stage of any parasitoid wasp is the cluster of whitish/yellowish rice-like pupal …

  • Roasted Root Vegetables with Maple Glaze

  • Parasitoid Wasps

    … Newly emerged adult Braconid wasp on cocoons. Photo: David Cappaert, Bugwood.org Updated: … eggs parasitized by Trichogramma may turn black as the wasp larva develops within. How to attract and conserve … the pest you have. Examples of parasitoid wasps Aphid wasp parasitoid Braconid and ichneumonid wasps Parasitic …

  • Bacterial Diseases of Tomato

  • Cicada Killer Wasps

    … feed on flower nectar.  Despite their appearance, these insects are not aggressive and usually will not bother … because of the holes they create in lawns. Damage to lawn. Photo: K. Mathias, UMD Management In lawns - Thicken up bare and thin spots in your lawn by overseeding in the fall. To temporarily discourage …