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  • August IPM Insect Scouting Tips

    … dectes stem borer, and defoliators (bean leaf beetle, Japanese beetle, grasshoppers, and caterpillars). Control may …

  • Scoliid Wasps - Lawns

    … are beneficial wasps parasitic on beetle grubs , including Japanese beetles. They are not aggressive and generally do not attack …

  • Calico Scale

    … ( Pyracantha ) and possibly wisteria (Wisteria ) - note Japanese wisteria is an invasive vine. Where to look In … beneficials usually suppress calico scale. Look for lady beetles and other natural enemies before deciding to use …

  • Cottony Camellia Scale

    … sprays should be avoided when  red-spotted black lady beetles  are present, as they are a scale predator. Timing … ( Cladrastis lutea ) Before the peak flowering of Japanese Snowbell ( Styrax japonicus ) Yellowwood blooms Photo: Miri Talabac Japanese Snowbell blooms Photo: Miri Talabac Adapted …

  • Manage Weeds Without Chemicals in Maryland

    … Weeding without the use of chemical herbicides. Updated: June 21, 2024 Key … regenerate from any underground parts left alive in the soil. Garden soils have a seed bank of viable seeds that have … as arborist wood chips, bark mulch, straw, pine needles, grass clippings, and shredded leaves that will gradually …

  • Rosemallow

    … becomes too large or if new plants are desired. In summer Japanese beetles, an alien invasive, may attack leaves and flowers, …

  • Grape Berry Moth

    … Updated: April 30, 2021 By Joseph Fiola, Ph.D. Grape Berry Moth Although the Japanese beetle is rapidly moving to the … top of the list in many areas of Maryland the grape berry moth ( Paralobesia viteana ; GBM) has typically been the most … timing of egg-laying and larval development.   A degree-day model has been developed (Dr. Mike Saunders, PSU) to help …

  • Vegetable and Fruit News-July 2023

    … plantings Jerry Brust, UME trawberries have had a tough time of it in the Mid-Atlantic this season. Some strawberry fields … Southern bacterial wilt of tomato Water core in apples: what is it, what causes it and how can it be controlled? …

  • Less Common Fruits for a Home Garden

    … kiwi, though mild damage from spider mites, thrips, and Japanese beetles is possible. Additional resources (PDF) Hardy kiwi … which can prevent fruiting. (“Fuyu” means “winter” in Japanese.) Persimmons are usually dioecious – male and female …

  • Crop Management

    … disease (defoliated by downy) or insects (heavily laced by Japanese beetles) the crop should be reduced.   Grower/winery …