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ENTOM 102 Week 15 Notes

by: Irene A.

ENTOM 102 Week 15 Notes 8404

Marketplace > Washington State University > Biology > 8404 > ENTOM 102 Week 15 Notes
Irene A.
GPA 3.5
Dr. Owen

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About this Document

Black flies; river blindness; economic effects of disease.
Dr. Owen
Class Notes
entomology, Biology, disease
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This 2 page Class Notes was uploaded by Irene A. on Thursday April 23, 2015. The Class Notes belongs to 8404 at Washington State University taught by Dr. Owen in Winter2015. Since its upload, it has received 38 views. For similar materials see ENTOM 102 in Biology at Washington State University.


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Date Created: 04/23/15
ENTOM 102 Week 15 Notes Black Flies I all blood feeding 0 larvae develop in 0 larvae have fanshaped mouth parts gt face upstream gt grab particles 0 water moves fast at top of water slower at the bottom dragfriction O larvae protected by slower water I ies prefer clean water useful in quality indications I pupae develop in slow water attached to substrate 0 Adults 0 male amp female sugar feed 0 only females blood feed 0 host seeking diurnal 0 Biting effects 0 Saliva antiplatelets pain blockers O Transmit worm that causes I originated in Africa moved to CentralSouth America through slave trade I transmission human gt y gt human I worms create nodules under skin surrounded by scar tissue gt worms mate gt babies crawl through skin amp tissues gt go through eye tissue gt immune system creates scarring in eyes when fighting worms 0 Filarial diseases require long period of time repeat infections to build up parasites 0 Economic Affects 0 Farmers can39t see gt can39t plantharvest crops gt less food gt making less money gt can39t afford treatmentprevention 0 Communities need organization amp system for labor division blind people can39t contribute as much children have to take care of the blind 0 Disease crushes workforce amp younger generation villages abandoned 0 Geography ies found near farmlands prevents people from developing communities around fertile lands 0 Female worms live amp produce babies for up to 0 Control 0 insect repellant too expensive 0 vaccine none that work 0 water treatment O surgery cutting out nodules 0 Organizations WHO working to eradicate disease 0 O 00 target both ies amp worms treating water W targeted pesticides in uppermost regions of watersheds I pesticide derived from bacteria toxin Goal is not extinction once numbers are low enough disease stops gt transmission threshold Ivermectin medication used to kill worms in people Campaign would need to run for at least 14 years due to worms39 life span Disease came back after campaign ended organizations unable to help due to political unrestViolence amp other diseases ex Ebola


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