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Oak wilt is a devastating exotic disease, killing some trees rapidly in a single season. [7] Oak wilt is an important disease in urban areas where trees are highly valued. The disease reduces property values because of the loss of trees and is economically costly to the property owner since they or the local government must pay for tree removal.
Phytophthora ramorum. Phytophthora ramorum is the oomycete known to cause the disease sudden oak death (SOD). The disease kills oak and other species of trees and has had devastating effects on the oak populations in California and Oregon, as well as being present in Europe. Symptoms include bleeding cankers on the tree's trunk and dieback of ...
P. herfsi. Binomial name. Pyemotes herfsi. (Oudemans, 1936) Pyemotes herfsi, also known as the oak leaf gall mite or itch mite, is an ectoparasitic mite identified in Europe and subsequently found in India, Asia, and the United States. The mite parasitizes a variety of insect hosts and bites humans, causing red, itchy, and painful wheals (welts).
From 1962 to 2022 there have been 157 recorded cases of the infection in United States, only 4 of those 157 individuals survived the disease. A combination of drugs have shown effectiveness in survivors. The rate drops significantly to >50% with treatment. The rate dropped significantly to 10% with effective treatments. Eradicated.
Agrilus pannonicus (Piller & Mitterpacher, 1783) Agrilus biguttatus laying eggs. Agrilus biguttatus is a species of beetle in the family Buprestidae, the jewel beetles. Common names include oak splendour beetle, oak buprestid beetle, and two-spotted oak borer. [1] This beetle is known as a pest that causes damage to oak trees and is a major ...
An oak is a hardwood tree or shrub in the genus Quercus of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisphere; it includes some 500 species, both deciduous and evergreen.
Archips semiferanus (also known as Archips semiferana) is a species of moth in the family Tortricidae, and one of several species of moth commonly known as oak leafroller or oak leaf roller. The larvae feed on the leaves of oak trees in the eastern United States and southeastern Canada and are a major defoliator of oak trees, which can lead to ...
The following is a list of the causes of human deaths worldwide for different years arranged by their associated mortality rates. In 2002, there were about 57 million deaths . In 2005, according to the World Health Organization (WHO) using the International Classification of Diseases (ICD), about 58 million people died. [ 1 ]