Simulium

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A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England

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An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

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Simulium

insect

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agent of onchocerciasis

In onchocerciasis
…black flies in the genus Simulium. The disease is found chiefly in Brazil and Venezuela in the Americas and in sub-Saharan Africa, in a broad belt extending from Senegal on the west coast to Ethiopia on the east; in Africa its northern edge is about 15° N of the Equator,…
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effect on African land usage

In Africa: Animals affecting land usage
The bilharzia snail and the Simulium fly (host to an organism causing blindness), the tsetse fly, and the mosquito collectively affect human beings and their livestock far more than do such individually large or formidable species as lions or elephants.
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