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Diagram of Black Widow Spider. Retrieved from http://www.enchantedlearning.com/subjects/arachnids/Arachnidprintouts.shtml
On April 27, 2011
Diagram of Spider. Retrieved from http://www.bumblebee.org/search.php?zoom_sort=0&zoom_query=spider+diagram&zoom_per_page=10&zoom_and=0
On August 28, 2011
Drawing of Spider. Retrieved from
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On August 28, 2011
Ebeling, Walter. (2002) Urban Entemology. Riverside, Ca. University of California, Riverside. Retrieved from http://www.insects.ucr.edu/ebeling/ebel9-1.html#control%20of%20spiders
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Hernandez, P. (2006)Population Dynamics and Insecticidal Control of the Black Widow Spider LATRODECTUS HESPERUS (ARANEAE:THERIIDIDAE) from California’s San Joaquin Valley Table Grape Vineyards. Masters Thesis, Department of Plant Science, University of California at Berkeley. Retrieved from http://www.aaie.net/IPMinfo/SpidersHernandezMS.pdf on April 30, 2011.
Kaufman, Eric. Website. http://bugeric.blogspot.com/2010_08_01_archive.html
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Martin, Louise. (1988) Black Widow Spiders. Vero Beach, Fl. Rourke Enterprises.
McCorkle, M. 2002. Latrodectus mactans, Animal Diversity Web. Retrieved from http://animaldiversity.ummz.umich.edu/site/accounts/information/Latrodectus_mactans.html.
On April 29, 2011
Map of Spider Range. Retrieved from http://www.royalsaskmuseum.ca/education/kids_domain/encyclopedia/life_sciences/insects_spiders/range%20maps/black_widow_spider_map.jpg on April 27, 2011
Ohio State Extension Service website. http://ohioline.osu.edu//hyg-fact/2000/2061A.html
Photograph of Black widow. Retrieved from http://bugsinthenews.info/
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Photograph of Black Widow Spider. Retrieved from http://www.squidoo.com/blackwidow
on April 27, 2011
Photograph of Black Widow Spider on green background. Retrieved from http://www.umm.edu/imagepages/19582.htm
on April 29, 2011
Photograph of Black Widow in grapes. Retrieved from http://www.blackwidowspider.uckac.edu/ on April 27, 2011
Photograph of Brown Widow Spider. Retrieved from http://cisr.ucr.edu/brown_widow_spider.html
on April 29, 2011
Photograph of Northern Black Widow. Retrieved from http://www.moondragon.org/health/disorders/spiderbite.html
on April 29, 2011
Photograph of Southern Black Widow. Retrieved from http://www.moondragon.org/health/disorders/spiderbite.html
on April 29, 2011
Photograph of spider bite. Retrieved from http://ezine.buncombecounty.org/ezine_print.asp?ezineDate=7/18/2005
On April 27, 2011
Photograph of spider bites. Retrieved from http://www.badspiderbites.com/black-widow-spider/on April 29, 2011
Photograph of spider bite. Retrieved from http://hubpages.com/hub/Black-Widow-Spider-Facts
on April 29, 2011
Photograph of Western Black Widow. Retrieved from http://www.moondragon.org/health/disorders/spiderbite.html
on April 29,2011
Timms, Patrick K MD & Gibbons, Robert B.; MD (1984) Lactrodectism-Effects of the Black Widow Spider’s Bite.Western Journal of Medicine. 144(3);March 1986 Retrieved from http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1306604/pdf/westjmed00163-0065.pdf on April 27, 2011
Video. Retrieved from http://video.nationalgeographic.com/video/player/animals/bugs-animals/spiders-and-scorpions/spider_blackwidow_sex.html
on April 29, 2011