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For example, the human body louse transmits the bacterium Rickettsia prowazekii which causes epidemic typhus. Although invertebrate-transmitted diseases pose a particular threat on the continents of Africa, Asia and South America, there is one way of controlling invertebrate-borne diseases, which is by controlling the invertebrate vector.
Agriculture exploits this finding, and the inundative release of EPNs can effectively control populations of soil insect pests in citrus, cranberries, turfgrass, and tree fruit (Lewis et al. 1998). If entomopathogenic nematodes suppress the population of insect root herbivores, they indirectly benefit plants by freeing them from grazing pressure.
Slime molds have a high resistance to toxic levels of metals; one author was prompted to write "The levels of zinc in Fuligo septica were so high (4,000–20,000 ppm) that it is difficult to understand how a living organism can tolerate them." [12] The resistance to extreme levels of zinc appears to be unique to F. septica. [13]
Here are some of the most common plants that are toxic to dogs, according to Dr Wismer: Sago Palm This handsome prehistoric-looking palm is the most dangerous houseplant on the list for dogs ...
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Demodex mites, which are common cause of mange in dogs and other domesticated animals, [49] have also been implicated in the human skin disease rosacea, although the mechanism by which demodex contributes to the disease is unclear. [55] Ticks are well known for carrying diseases, such as Lyme disease [56] and Rocky Mountain spotted fever. [57]
For infestation with the eye worm (thelaziosis), four human cases have been described so far in Italy and France, [88] but the disease is particularly widespread among the poorer population in Asia. [89] In addition, dogs may contribute to the spread of non-host-specific parasites such as the giant kidney worm or medina worm.
Understanding the symptoms of a brown recluse spider bite can be life-altering. "Some brown recluse spider bites can cause severe, local reactions with necrotic tissue," Dr. Giangreco says.