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  1. Ambrosia Coloration in Maple Trees

    https://ohioline.osu.edu/factsheet/anr-0108

    Rhinotermitidae: reticulitermes) for Wood Containing Bark Beetle Pheromones and Blue-Stain Fungi.” Journal of ... aesthetics. Maple trees, however, can be attacked by beetles, tapped for maple syrup, or otherwise injured. ... insects attacking maple are ambrosia beetles. Ambrosia does not refer to any given species of maple, ...

  2. Interpreting a Soil Test Report

    https://ohioline.osu.edu/factsheet/agf-0514

    being grown. Table 2 shows buffer pH ranges where no lime is needed. The factsheet, Soil Acidity and ... Values” (ANR-75). Ohioline. The Ohio State University. ohioline.osu.edu/factsheet/anr-75. Lindsey, L, ed. ... Production” (AGF-505-07). Ohioline, The Ohio State University. ohioline.osu.edu/factsheet/AGF-505-07. Ag Crops ...

  3. Asian Longhorned Beetle

    https://ohioline.osu.edu/factsheet/ent-75

    by law. Host Rang​e Oviposition pits in the bark where female beetles deposit an egg.  Photo credit: ... infests pine tree species, including pines (Pinus spp.), spruce (Picea spp.) and balsam fir (Abies ... Asian longhorned beetle (ALB; Anoplophora glabripennis) is an exotic wood-borer that poses a severe ...

  4. 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 ...

  5. Is It Pine, Spruce, or Fir?

    https://ohioline.osu.edu/factsheet/anr-80

    Agriculture and Natural Resources, Van Wert County Pine (Pinus spp.), spruce (Picea spp.), and fir (Abies ... Identification—Where to Begin To distinguish pine, spruce, and fir from one another, start by looking at their needles. ... genera (pines, spruces, and firs). Pines (Pinus spp.) Pines have slender needles (leaves) arranged in ...

  6. 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, ...

  7. Thousand Cankers Disease

    https://ohioline.osu.edu/factsheet/plpath-tree-07-0

    indication of tree damage except for tiny beetle entrance holes, but sometimes areas of outer bark ... and sanitation. Avoid moving firewood, since infected beetles may be present in the bark. Maintain ... observed walnut mortality. The fungus is carried by an insect, the walnut twig beetle (WTB;  Pityophthorus ...

  8. Viburnum Leaf Beetle

    https://ohioline.osu.edu/factsheet/anr-39

    . http://waukesha.uwex.edu/files/2015/06/Viburnum-Leaf-Beetle-Factsheet.pdf (Accessed on 7-24-2015). Murray, T. 2004. Pest Alert: Viburnum Leaf Beetle in Weeder’s Digest ... Natural Resources, Van Wert County The viburnum leaf beetle (VLB) (Pyrrhalta viburni) [order Coleoptera: ... viburnum shrubs are usually completely defoliated by the beetle. Mated female viburnum leaf beetles chew ...

  9. 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 ...

  10. Bagworm and Its Control

    https://ohioline.osu.edu/factsheet/HYG-2149-10

    HYG-2149 10/05/2011 D.J. Shetlar The common bagworm, Thyridopteryx ephemeraeformis (Haworth), is ... bag camouflaged with bits of foliage, bark, and other debris. Completed bags range from 1½ to 2½ ... arborvitae and red cedar but many other conifers and deciduous trees are attacked. These include pine ...

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