Insect Profiles: Box Elder Bug (Boisea trivittata)
Introduction Box elder bug (Boisea trivittata) is a North American species of true bug in the family Rhopalidae. The insect is native to the western…
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Insect Profiles: Asian Lady Beetle (Harmonia axyridis)
Introduction Asian lady beetle (Harmonia axyridis) is an exotic beetle in the family Coccinellidae. The insect is native to Asia, where it is widespread. In…
Insect Profiles: Tolype Moth (Tolype velleda)
Introduction Tolype moth (Tolype velleda), also called large tolype moth and velleda lappet moth, is a small to medium sized moth in the family Lasiocampidae.…
Tree Diseases: Scleroderris Canker of Conifers (Gremmeniella abietina-Sclreoderris lagerbergii)
Introduction Scleroderris canker is a fungal disease that affects various conifers. It is caused by the fungus Gremmeniella abietina-Sclreoderris lagerbergii. Scleroderris canker is one of…
Tree Diseases: Fire Blight
Introduction Fire blight is a significant disease of various fruit trees. It is one of the most common diseases to afflict fruit trees in spring…
Tree Diseases: Apple Scab
Introduction Apple scab is a fungal disease that commonly infects various apple and crabapple trees. It is recognized as one of the most significant diseases…
Tree Diseases: Cedar-Hawthorn Rust
Introduction Cedar-hawthorn rust is a fungal disease that commonly infects junipers and hawthorns. It is one of the most frequently observed plant diseases in spring…
Tree Diseases: Cedar-Quince Rust
Introduction Cedar-quince rust is a fungal disease that infects most varieties of eastern red cedar, as well as many other junipers, and alternative hosts. The…
Spring Tree Injuries: Spring Frosts
Introduction In certain geographic locations, temperatures may fluctuate in spring. When temperatures plummet below freezing, they can damage or kill exposed plants. Spring frosts affect…
Spring Tree Care Maintenance
Introduction As winter subsides, and warmer temperatures prevail, plants begin to break dormancy, signaling a changing of the seasons. Spring arrives, and landscapes are renewed,…
Tree Profiles: Douglas-fir Cultivars, Part 2
This is the second of a two part series on Douglas-fir cultivars. Introduction Since its introduction to cultivation in 1826, Douglas-fir has become one of…
Tree Profiles: Douglas-fir Cultivars, Part 1
This is the first of a two part series on Douglas-fir cultivars. Introduction Since its introduction to cultivation in 1826, Douglas-fir has become one of…
Tree Profiles: Douglas-fir (Pseudotsuga menziesii), Part 2
This is the second of a two part series on Douglas-fir. The following examines seed propagation of Douglas-fir, its root system, preferred soil types, cultivation,…
Tree Profiles: Douglas-fir (Pseudotsuga menziesii), Part 1
This is the first of a two part series on Douglas-fir. The following examines the tree’s habitat, developmental traits, longevity, height, bark, needles, and cones.…
Insect Profiles: Grass Bagworm (Eurukuttarus confederata)
Introduction Grass bagworm (Eurukuttarus confederata) is a species of bagworm that infests various grasses. The larval stage of the insect constructs a spiny case that…
Winter Care for Fruit Trees
Introduction Winter is an ideal period to care for your fruit trees. Performing general maintenance on fruit trees, and ensuring that they are protected from…
Winter Tree Care: Wrapping Plants for Winter
Introduction During winter, plants are often subjected to inclement weather. Heavy winds and blizzards can decimate vulnerable plants. Certain materials, such as burlap and twine,…
Insect Profiles: Pink-striped Oakworm Moth (Anisota virginiensis)
Introduction Pink-striped oakworm moth (Anisota virginiensis) is a species of silk moth in the family Saturniidae. It is notable for the distinct coloration of the…
Insect Profiles: Orange-tipped Oakworm Moth (Anisota senatoria)
Introduction Orange-tipped oakworm moth (Anisota senatoria), also referred to as orange-striped spiny oakworm moth, is a defoliator of oak trees. It is native to North…
Fall Tree Care: Identifying Common Tree Insects in Fall, Part Four
This is the final article of a four part series on fall tree insects. Introduction In fall, while preparing for winter dormancy, many plants shed…