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  1. Understanding Pesticides in Organic and Conventional Crop Production Systems

    https://ohioline.osu.edu/factsheet/anr-69

        Colorado potato beetle on the left is an example of a pest, while the swallowtail butterfly on the right is ... parasitoids, or pathogens (Barbercheck). Predators such as ladybird beetles catch and eat insect prey. ... Biocontrol example is shown by these aphids parasitized by wasps. Photo by Dr. David Shetlar, The Ohio State ...

  2. Carpet Beetles

    https://ohioline.osu.edu/factsheet/HYG-2103-10

    HYG-2103 10/19/2011 David J. Shetlar, Department of Entomology Carpet beetles feed on animal and ... heavy furniture or pianos and at carpet edges. Adult beetles fly readily in May and June. They are ... black carpet beetles are oval and shiny-black with brownish legs. They vary in body length from 1⁄8 to ...

  3. Understanding Dimensional Changes In Wood Products

    https://ohioline.osu.edu/factsheet/F-72-11

    simple pines and spruces. The terms "softwood" and "hardwood" are not true indicators ... old growth southern pines provided straight-grained boards with many annual rings per inch for home ... and limbs, just under the bark. These new wood cells are formed throughout the growing season but not ...

  4. Peach Canker

    https://ohioline.osu.edu/factsheet/plpath-fru-25

    bark. The diseased inner bark begins to break down, causing the cankered surface to appear depressed. ... Black specks, which are fungal spore producing bodies, appear on the bark surface or under the bark ... strands. During the summer, healthy bark (callus tissue) grows over the edges of the narrow, oval shaped ...

  5. 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 ...

  6. Lady Beetles

    https://ohioline.osu.edu/factsheet/ENT-45

    ENT-45 12/09/2014 Andrea Kautz and Mary Gardiner, Department of Entomology Lady beetles, often ... Convergent Lady Beetle is the official state insect of Ohio! Both adults and larvae feed on soft-bodied ... insects like aphids. There are many species of lady beetles found in Ohio, but the most common ones are ...

  7. Late Leaf Rust of Red Raspberries

    https://ohioline.osu.edu/factsheet/plpath-fru-17

    rust is white spruce (Picea americanum), on which another type of spore (aeciospore) is produced. ... leaf. Aeciospores are released from infected white spruce in mid-June to early July and are capable of ... (basidiospore), which infects white spruce needles during rainy periods from mid-May to early June. Several recent ...

  8. Clover Mites

    https://ohioline.osu.edu/factsheet/HYG-2095

    HYG-2095 03/09/2010 David Shetlar, Entomology Barbara Bloetscher, Entomology Clover mites ... walls, under loose bark of trees, and in other protected places. Eggs laid in late spring will remain ... landscape hardware stones and logs, and under loose tree bark before becoming active again in the spring. ...

  9. Lichens

    https://ohioline.osu.edu/factsheet/plpath-gen-12

    growing on the bark of a tree.  (Photo by David J. Goerig.) Where do lichens grow? Lichens are located on ... Bark, wood, mosses, rock, soil and peat are all natural substrates. Thalli will also establish itself on ... normally found on tree bark, for instance, are rarely found on rock and vice versa. Lichens established on ...

  10. Anthracnose of Raspberry and Blackberry

    https://ohioline.osu.edu/factsheet/plpath-fru-27

    this disease are “cane spot” and “gray bark.” Symptoms Figure 1. Anthracnose symptoms on black ... encircle the cane, sometimes causing the death of the cane beyond the canker. The bark in badly cankered ... large portions of the cane. This is the characteristic “gray bark” symptom which is common on red ...

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