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Infestations can be classified as either external or internal with regards to the parasites' location in relation to the host. External or ectoparasitic infestation is a condition in which organisms live primarily on the surface of the host (though porocephaliasis can penetrate viscerally) and includes those involving mites, ticks, head lice and bed bugs.
High infestations cause stunting, deformation and retardation of plant growth, and the nematodes can transmit viral diseases from one plant to another. [34] When its populations are high, the potato cyst nematode can cause reductions of 80% in yield of susceptible potato varieties. [35]
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.
The American cockroach is the state’s largest species, with an average length of 1 ½ inches. The American roach can be identified by its reddish-brown body with tan markings on the back of its ...
Instances included German cockroach infestations and improperly stored meat at various locations. In another notable case, a restaurant had to address the presence of mold and vermin-borne fecal ...
South Carolina health inspectors found multiple violations at restaurants in the Upstate in September, from roach infestations to water from a fridge dripping onto chicken wings.
[77] [78] One of the proteins that trigger allergic reactions is tropomyosin, which can cause cross-reactive allergy to dust mites and shrimp. [79] These allergens are also linked with asthma. [80] Some species of cockroach can live for up to a month without food, so just because no cockroaches are visible in a home does not mean that they are ...
This article contains a list of insect-borne diseases. They can take the form of parasitic worms , bacteria , protozoa , viruses , or the insects directly acting as a parasite. Insect-borne diseases