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  1. Dutch Elm Disease

    https://ohioline.osu.edu/factsheet/plpath-tree-04

    Elm bark beetle larval gallery. Other diseases may present somewhat similar symptoms. As the name ... multistriatus) and North American (Hylurgopinus rufipes) elm bark beetles. The bark beetle larvae tunneling (Fig. ... their sexual maturation. As a result, monitoring bark beetle flights, which typically occur 1 or 2 times ...

  2. Diplodia Tip Blight of Two-Needled Pines

    https://ohioline.osu.edu/factsheet/plpath-tree-03

    diseases in the urban environment. It affects many common landscape pines in the Midwest, including ... pines. It also affects ponderosa (P. ponderosa) and Monterey (P. radiata) pines. The fungus commonly ... blight symptoms on Austrian pine. Symptoms and Signs This disease is characterized by the blight, or ...

  3. Northeast Ohio Agri-Culture Newsletter

    https://ashtabula.osu.edu/program-areas/agriculture-and-natural-resources/northeast-ohio-agri-culture-newsletter

    Corn-Soybean Crop Rotations Early Season Cucurbit Pests – Cucumber Beetles and Bacterial Wilt One More Reason ... Phosphorus in Corn April 20, 2021 Issue: New FactSheet is Published on Nutrient Removal for Field Crops in ... Japanese Beetles and Other Defoliators Extended Forecasts Upcoming Events July 23, 2019 Issue: Western Bean ...

  4. Lime and the Home Lawn

    https://ohioline.osu.edu/factsheet/hyg-4026

    acidic water. The surrounding landscape may also have an impact. For example, pine tree needles have the ... https://ohioline.osu.edu/factsheet/AGF-505-07.  Schlossberg Maxim J., F. Clint Waltz Jr., Peter J. Landschoot, and Bradley S. Park. 2008. “Recent ...

  5. Distinguishing Emerald Ash Borer from Native Borers

    https://ohioline.osu.edu/factsheet/ent-77

    just under the bark. Clearwing borers expel their frass (a mixture of sawdust and excrement) from the ... tree; this frass can accumulate in large quantities in bark crevices, branch crotches, and on the ... galleries wind just under the bark and are plugged with frass. There is a native species of Agrilus that ...

  6. Soybean Defoliation: It Takes a lot to Really Matter!

    https://agcrops.osu.edu/newsletter/corn-newsletter/22-2021/soybean-defoliation-it-takes-lot-really-matter

    defoliators include first generation bean leaf beetles, Japanese beetles, grasshopper nymphs and several ... truly there. Japanese beetles and grasshoppers tend to hit edges of fields first before they start ... moving farther into the centers of the fields. And Japanese beetles tend to feed in aggregations and at ...

  7. Spider Mites and Their Control

    https://ohioline.osu.edu/factsheet/HYG-2012-11

    "cool season" mite. This pest can be found on all types of conifers from spruces and pines to ... HYG-2012 09/20/2011 David J. Shetlar, Department of Entomology Spider mites are not insects but ... be found in Ohio landscapes. The twospotted spider mite, Tetranychus urticae, and spruce spider mite, ...

  8. Hydrothermal Carbonization: Upgrading Waste Biomass to Char

    https://ohioline.osu.edu/factsheet/fabe-6622

    Jeffrey pine and white fir (Tahoe mix) 215-275 30 51-69 [6] Industry Sawdust 250 120 40 [7]   Sewage ... for technical and editorial review of this factsheet. References [1]    Ahmad, F., Silva, E. L., & ...

  9. Ground Beetles

    https://ohioline.osu.edu/factsheet/HYG-2102-10

    HYG-2102 10/19/2011 David J. Shetlar, Department of Entomology Ground beetles are occasionally ... logs, leaves, bark, decomposing wood, and other debris on the ground. When disturbed, beetles run ... a nuisance indoors by their presence. Homeowners may confuse these beetles for cockroaches, carpet beetles ...

  10. Fungus Beetles

    https://ohioline.osu.edu/factsheet/HYG-2084-10

    HYG-2084 10/19/2011 David J. Shetlar, Department of Entomology Fungus beetles is a general term ... covering several different beetles associated with damp, humid conditions where fungi, molds, and mildew ... become covered with molds attract these beetles. Some occur in sawdust left in wall voids after ...

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