L15_Important Insects in History

L15_Important Insects in History - host. Flea gut gets...

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Important Insects in History 1. Diseases that changed history a. Malaria b. Yellow fever c. Typhus 2. The Haiti slave revolt a. French had control over Haiti b. 1801 – Napoleon sent General Victor Emmanuel LeClerc and 20,000 troops c. By June 1802, French troops were dying at 30-50 a day due to yellow fever d. French retreated – many to US 3. Napoleon and Moscow a. June 1812 0 Napoleon and 500,000 troops enter Russia 4. Louisiana Purchase a. Napoleon sold it to US for $13 mil. (less than 3 cents per acre) 5. Typhus a. Napoleon began to lose troops due to Typhus, which is vectored by body lice b. Nov. 9, 1812 – napoleon returned to France with only 24,000 men c. Cause: Rickettsia 6. Bubonic Plague (Black Death) a. 1247-1352 after 5 years, killed 25 mil. People b. Approx. 1/3 of Europe's pop. c. Cause: bacteria, Yersinia pestis , from rat fleas. Rats dia and fleas seek human
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Unformatted text preview: host. Flea gut gets clogged from bacteria and they regurgitate into the bite d. Fleas are dormant in winter, so fewer bites 7. The panama canal: the disease team a. Carlos Finlay mosquito hypothesis laughed at, died from disease, (13x more US troops died in the Spanish American war from disease than from combat) b. Walter Red proved Finlay correct Reed gave credit to Finlay, but the public and media gave Reed credit c. William Gorgas mosquito control in Cuba and Panama Canal. 8. Panama canal a. US took over construction from France on May 4, 1904 b. Yellow Fever b.i. Aedes aegypti b.ii. Cause: parasite c. Malaria c.i. Anaphelese mosquitos d. By 1906 yellow fever and malaria were virtually wiped out (just 2 years later!)...
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