Human Health Organizations Regulate Blackfly Populations Essay example
1046 Words Oct 21st, 2016 5 Pages
River blindness, much like the zika virus or malaria, is a vector borne disease. River blindness, also know is Roble’s disease or Onchocerciasis, however is often looked over by most of the citizens of the world even though 25 million people are estimated to be infected by the disease (CDC). The vector for this disease is the blackfly of genus Simulium. Silimium spp can be found around the world and are often considered pests, and a select few species of this genus act as the vector for Onchocerciasis. Similium spp spread the parasite Oncherca Volvus who is the cause of Onchocerciasis (CDC). The most notable species that act as vectors are Simulium damnosum and Simulium ochraceum (Laird, 1981). Onchocerciasis can also be transmitted to cattle by several other species of Simulium (Capinera 2008). Onchocerciasis can be fyound in Africa and in Central America where it was spread to by the slave trade (Laird, 1981). Attempts have been made by different global health organizations to regulate blackfly populations in an effort to eradicate Onchocerciasis. Even though blackflies are not recognized as a problem by a majority of the western world; they are a great pest and major health concern in Africa and Central America.
Blackflies have an interesting physiological make up that is critical to understanding their role as a vector. Blackflies are sometimes referred to as humpback flies due to their sclerite’s hump shape in the adult insects, this is one of…