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The plant pathogenic fungus Leucostoma kunzei (formerly Valsa kunzei) is the causal agent of Leucostoma canker (also known as Cytospora canker or spruce canker), a disease of spruce trees found in the Northern Hemisphere, predominantly on Norway spruce (Picea abies) and Colorado blue spruce (Picea pungens).
Pinus clausa woodlands are an important part of the Florida scrub ecosystem, and provide habitat for songbirds, birds of prey, grey and flying squirrels, as well as the endangered Florida sand skink and Florida scrub jay, among other species. It is one of the few canopy trees able to grow in arid, sandy, and hot locations with minimal care.
Lobate lac scale insects infest at least 94 species of native trees in Florida, particularly the wax myrtle (Myrica cerifera), cocoplum (Chrysobalanus icaco), and buttonwood (Conocarpus erectus). Severe infestations can kill trees and shrubs, and dense infestations have been found in hardwood hammocks which are defined by the diversity of trees.
The blue spruce (Picea pungens), also commonly known as Colorado spruce or Colorado blue spruce, is a species of spruce tree native to North America in Arizona, Colorado, Idaho, New Mexico, Utah and Wyoming. [4] It is noted for its blue-green colored needles, and has therefore been used as an ornamental tree in many places far beyond its native ...
Choristoneura fumiferana, the eastern spruce budworm, is a species of moth of the family Tortricidae native to the eastern United States and Canada. The caterpillars feed on the needles of spruce and fir trees. Eastern spruce budworm populations can experience significant oscillations, with large outbreaks sometimes resulting in wide scale tree ...
Orange or yellow paints are used for harvest boundaries, and trees within those areas have blue, orange, green, or yellow paint, depending on whether they are to be taken or spared.
Choristoneura fumiferana (Clemens, 1865), eastern spruce budworm Choristoneura griseicoma (Meyrick, 1924) Choristoneura hebenstreitella (Muller, 1764) , mountain-ash tortricid
The gall adelgid (Adelges cooleyi) is an adelgid species that produces galls in spruce trees. They infect the new buds of native spruce trees in the foothills of the Rocky Mountains in the spring. They also attack blue spruce to a lesser degree. The insects complete two generations within the year.