In the United States alone 30 kinds of the Botfly species have been found. To name a few are the Mouse Bot Fly, Horse Botfly, and the Human Botfly. The bot fly will hijack a mosquito to inject the host with the eggs. It latches onto several species which allow the larvae to enter the skin of the host.
On 29 October 1929, the US stock market crashed. The day became forever after known as Black Tuesday. The so-called Great Crash is known by a a variety of monikers including the Wall Street Crash of 1929 and the Stock Market Crash of 1929.
Economic historians usually attribute the start of the Great Depression to the sudden devastating collapse of US stock market prices on October 29, 1929, known as Black Tuesday; some dispute this conclusion, and see the stock crash as a symptom, rather than a cause, of the Great Depression.