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 the 1960s, the United States…
Summer Tree Care: Identifying Common Tree Insects in Summer, Part 1
This is the first part of a series on summer tree insects. This article examines ailanthus webworm, Asian long-horned beetle, and bagworm. Introduction As spring transitions into summer, temperatures gradually…
To Mulch or Not to Mulch: The Benefits of Proper Mulching
Mulching is one of the best ways to maintain a healthy landscape. When properly applied, mulch can serve as an excellent substitute to the organic materials and other living organisms…
Spring Tree Care: Identifying Common Tree Diseases in Spring, Part 8
This is the final part of a series on spring tree diseases. This article examines oak wilt. Introduction In spring, as the growing season commences, trees become vulnerable to infection…
Spring Tree Care: Identifying Common Tree Diseases in Spring, Part 7
This is the seventh part of a series on spring tree diseases. This article examines maple tar spot, and Rhizosphaera needle cast. Introduction In spring, as the growing season commences,…
Spring Tree Care: Identifying Common Tree Diseases in Spring, Part 6
This is the sixth part of a series on spring tree diseases. This article examines holly leaf spot, and hoof fungus. Introduction In spring, as the growing season commences, trees…
Insect Profiles: Japanese Maple Scale (Lopholeucaspis japonica)
Introduction Japanese maple scale (Lopholeucaspis japonica), also known as Japanese scale or pear white scale, is an invasive pest that infests a wide range of woody plants. The insect is…
Plant Diseases: Early Blight (Alternaria solani and Alternaria tomatophilia)
Introduction Early blight is a serious fungal disease that afflicts tomato and potato plants. It is caused by two closely related fungi: Alternaria solani and Alternaria tomatophilia. When A. tomatophilia…
Insect Profiles: White Prunicola Scale (Pseudaulalacaspis prunicola)
Introduction White prunicola scale (Pseudaulalacaspis prunicola) is an armored scale insect that infects members of the Prunus species, and various other ornamental plants. It is one of the most significant…
Fall Tree Care: Plants to Avoid Pruning in Fall
Introduction Fall is an ideal time to tend to your landscape. Raking and disposing of leaves and plant debris can help to reduce the presence of disease pathogens and insects,…
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