Insect Profiles: Spotted Lanternfly (Lycorma delicatula)
Introduction Spotted lanternfly (Lycorma delicatula), also known as lanternm+oth, is a moth-like insect that infests a wide range of plants. It is named for its…
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Plant Diseases: Septoria Leaf Spot (Septoria lycopersici)
Introduction Septoria leaf spot, also called septoria leaf blight, septoria leaf blotch, septoria leaf canker, and tomato leaf spot, is a fungal disease that infects…
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…
Plant Diseases: Late Blight (Phytophthora infestans)
Introduction Late blight is a serious fungal disease of tomato and potato plants. It is caused by the pathogen Phytophthora infestans. The pathogen was first…
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…
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…
Insect Profiles: White Peach Scale (Pseudaulacaspis pentagona)
Introduction White peach scale (Pseudaulacaspis pentagona), also called white scale, West Indian peach scale, and oleander scale, is an armored scale insect that infests various…
Tree Diseases: Butternut Canker (Sirococcus clavigignenti-juglandacearum)
Introduction Butternut canker is a fungal disease that attacks Juglans cinerea, also known as butternut or white walnut. The disease is caused by the pathogen,…
Tree Diseases: Brown Rot (Monilinia fruiticola, M. laxa, and M. fructigena)
Introduction Brown rot, also called European brown rot, is a fungal disease that infects the blossoms and fruit of stone fruit trees, almond, and occasionally…
Tree Diseases: Verticilium Wilt (Verticilium)
Introduction Verticilium wilt (Verticilium) is a fungal disease that infects over 400 plant species. It is caused by six species of the Verticilium genus: V.…
Insect Profiles: Snow Fly (Chionea)
Introduction The snow fly (Chionea) is a wingless crane fly in the genus Limoniid. It is notable for being one of the few insects to…
Tree Profiles: Kousa Dogwood Cultivars, Part 4 (Cornus Kousa)
This is the fourth and final part of a series on Kousa dogwood cultivars. Introduction Kousa dogwood (Cornus kousa), also referred to as Benthamia kousa,…
Tree Profiles: Kousa Dogwood Cultivars, Part 3 (Cornus Kousa)
This is the third part of a series on Kousa dogwood cultivars. Introduction Kousa dogwood (Cornus kousa), also referred to as Benthamia kousa, Cynoxylon kousa,…
Tree Profiles: Kousa Dogwood Cultivars, Part 2 (Cornus Kousa)
This is the second part of a series on Kousa dogwood cultivars. Introduction Kousa dogwood (Cornus kousa), also referred to as Benthamia kousa, Cynoxylon kousa,…
Tree Profiles: Kousa Dogwood Cultivars, Part 1 (Cornus Kousa)
Introduction Kousa dogwood (Cornus kousa), also referred to as Benthamia kousa, Cynoxylon kousa, Chinese dogwood, Kousa, Korean dogwood, and Japanese dogwood is a popular ornamental…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 10
This is the tenth and final part of a series on fall tree diseases. This article examines thousand cankers disease and verticilium wilt. Introduction During…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 9
This is the ninth part of a series on fall tree diseases and disorders. This article examines maple tar spot and oak wilt. Introduction During…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 8
This is the eighth part of a series on fall tree diseases and disorders. This article examines powdery mildew and sooty mold. Introduction During fall,…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 7
This is the seventh part of a series on fall tree diseases and disorders. This article examines leaf scorch and lophodermium needle cast. Introduction During…
Fall Tree Care: Identifying Common Tree Diseases in Fall, Part 6
This is the sixth part of a series on fall tree diseases and disorders. This article examines diplodia tip blight and Dutch elm disease. Introduction…