Spring Tree Care: Identifying Common Tree Insects in Spring, Part 4
This is the fourth part of a series on spring tree insects. This article examines emerald ash borer, and forest tent caterpillar. Introduction In spring,…
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Spring Tree Care: Identifying Common Tree Insects in Spring, Part 3
This is the third part of a series on spring tree insects. This article examines eastern spruce gall adelgid, eastern tent caterpillar, and elm leaf…
Spring Tree Care: Identifying Common Tree Insects in Spring, Part 2
This is the second part of a series on spring tree insects. This article examines black vine weevil, and box elder bug. Introduction In spring,…
Spring Tree Care: Identifying Common Tree Insects in Spring, Part 1
This is the first part of a series on spring tree insects. This article examines the members of the superfamily Aphidoidea collectively referred to as…
Insect Profiles: Lace Bugs (Tingidae)
Introduction Lace bugs are a group of insects that belong to the family Tingidae. There are approximately 140 species of lace bugs in North America.…
Insect Profiles: Balsam Wooly Adelgid (Adelges piceae)
Introduction Balsalm wooly adelgid (Adelges piceae) is a small, wingless insect that infests and kills true firs. It is invasive to North America. The insect…
Insect Profiles: Black Turpentine Beetle (Dendroctonus terebrans)
Introduction Black turpentine beetle (Dendroctonus terebrans) is a pine bark beetle that is native to the United States. It is the largest pine bark beetle…
Insect Profiles: Eastern Pineshoot Borer (Eucosma gloriola)
Introduction Eastern pineshoot borer (Eucosma gloriola), also known as the white pine tip moth, American pine shoot moth, white pine shoot borer, and Tordeuse americaine…
Insect Profiles: Douglas-fir Beetle (Dendroctonus pseudotsugae)
Introduction Douglas-fir beetle (Dendroctotonus pseudotsugae) is a bark beetle that infests Douglas-fir. It is one of the most destructive pests of Douglas-fir. Outbreaks of Douglas-fir…
Tree Diseases: Hoof Fungus (Fomes fomentarius)
Introduction Fomes fomentarius, also referred to as hoof fungus, tinder fungus, horsehoof tinder fungus, horse fungus, false tinder fungus, tinder conk, tinder polypore, and ice…
Tree Diseases: Artist’s Conk (Ganoderma applanatum)
Introduction Artist’s conk (Ganoderma applanatum), also referred to as artist’s bracket, red mother fungus, Ancient Ling Zhi, and bear bread fungus, is a bracket fungus…
Tree Profiles: Ginkgo Cultivars, Part 2
This is the second of a two part series on ginkgo cultivars. Introduction Due to its striking foliage, general hardiness, and medicinal utility, the…
Tree Profiles: Ginkgo Cultivars, Part 1
This is the first of a two part series on ginkgo cultivars. Introduction Due to its striking foliage, general hardiness, and medicinal utility, the ginkgo…
Tree Profiles: Ginkgo, Part 2 (Ginkgo biloba)
This is the first of a two part series on the ginkgo tree. The following examines the tree’s root development, soil & topography, cultivation, damaging…
Tree Profiles: Ginkgo, Part 1 (Ginkgo biloba)
This is the first of a two part series on the ginkgo tree. The following examines the tree’s habitat, developmental traits, longevity, height, bark, leaves,…
Insect Profiles: Rosy Maple Moth (Dryocampa rubicunda)
Introduction Rosy maple moth (Dryocampa rubicunda) is a silk moth in the family Saturniidae. The moth is indigineous to North America. It is notable for…
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…
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…