why do tsetse flies like blue?
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"When the tsetse flies are looking for targets to bite, they're generally looking for something that contrasts with the green vegetation," explains Steve Torr, an entomologist at the University of Liverpool in the U.K. "They're attracted to bright colors, and for some reason they're especially attracted to bright blue. ...
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The tsetse fly is attracted to bright colors, very dark colors, metallic fabric, particularly the colors blue and black.
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They have an extra set of wings, but they can't fly worth squat. These notoriously lame flyers actually have two sets of wings. Only one of those pairs provides what scientists call lift. Given their manic attraction to light (see Fact #1), June bugs quickly exhaust themselves.
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Tsetse flies are bloodsucking flies of the genus Glossina. They occur only in tropical Africa and are important as vectors of African trypanosomiasis in both humans and animals. Sleeping sickness, as it is commonly called, is generally fatal in humans if left untreated.
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People with chronic bronchitis are sometimes called “blue bloaters” because of their bluish-colored skin and lips. Blue bloaters often take deeper breaths but can't take in the right amount of oxygen.
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The tsetse fly bite is often painful and can cause red bumps or small red ulcers at the site of the bite. It can also transmit sleeping sickness (trypanosomiasis) to animals and humans.
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Also tzetze fly. Also called tset·se, tzetze, glossina.
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But some breeds of chicken produce blue or green eggs. The blue color is caused by insertion of a retrovirus into the chicken genome, which activates a gene involved in the production of blue eggs. The Araucana, a chicken breed from Chile, and Dongxiang and Lushi chickens in China lay blue eggs.
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Tsetse flies are bloodsucking flies of the genus Glossina. They occur only in tropical Africa and are important as vectors of African trypanosomiasis in both humans and animals.
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It's due to flies having phototaxis, the same attraction to light that moths have. White cars reflect more light than other colors, and so flies are more attracted to it.
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Tsetse flies: This insect bites during the daytime, but is less active during the hottest time of the day.
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In addition to being very small, the majority of ticks are black or dark brown in color. But because they are full of blood, engorged ticks will often have a silver, green-grey or even white appearance.
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The answer is simple -- they are indeed mating. Their mating process actually takes hours, thus you see most of them stuck together while flying. ... Here's the sad part (well, not really but roll with it) -- the male love bug dies after mating and is dragged around by the female until she lays her eggs.
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Parasites - African Trypanosomiasis (also known as Sleeping Sickness) African Trypanosomiasis, also known as “sleeping sickness”, is caused by microscopic parasites of the species Trypanosoma brucei. It is transmitted by the tsetse fly (Glossina species), which is found only in sub-Saharan Africa.
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Cyanosis, or blue spells, is when a reduced amount of blood flows into the lungs. Since blood carries oxygen, less oxygen is delivered to the body. As a result, a child may appear blue or bluish. The colour is caused by high levels of reduced (deoxygenated) hemoglobin in the blood near the surface of the skin.
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The history of tsetse flies and nagana (trypanosomosis) in South Africa, and especially in Zululand, is reviewed. Four valid tsetse fly species have been recorded from South Africa. Glossina morsitans morsitans disappeared from the most northerly parts of South Africa during the rinderpest epizootic between 1896-1897.
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The male black swallowtail has more noticable yellow and less blue on the wings. The female black swallowtail has more blue and less yellow on the wings. red eyespot (red circle with a black bulls-eye) near the margin of each hind wing.