Welcome to our black widow page

Black widows are very common here in Nevada. There probably isn't a single back yard that doesn't have at least one. Black widows are very poisonous, but they are not aggressive and generally will not bite unless provoked.

click to enlarge

We found this one in our back yard.

Below are some links to informative pages about the black widow

The Arachnology home page
Latrodectus hasselti with egg cocoon and juvenile Red-back spider, Australian black widow. Robert J. Raven (Australia)
Latrodectus geometricus with egg cocoons Robert J. Raven (Australia)
Latrodectus geometricus and Latrodectus hasselti Pictures taken in Japan. Akio Tanikawa (Japan)
Spiders With general info and Widow spiders, Brown spiders, Tarantulas, Tegenaria agrestis, sac spider, ... Cooperative Extension, Washington State University (USA)
Scorpions, Black Widows, Centipedes are mostly friends Eco-Care International (USA)
Spiders of Medical Importance UCSD Regional Poison Center Home Page (USA)
Some Latrodectus species A picture and some information of Latrodectus bishopi and Latrodectus sp. D. Richman (USA)
Button spiders Latrodectus rhodesiensis, L. geometricus and L. indistinctus. WildNet Africa. (South Africa)
Spiders With black widow and brown recluse spider. Faith M. Oi, Extension Entomologist, Auburn University (USA)
Red-back spider Latrodectus hasselti Australian Museum (Australia)
Black widow With info and a picture of the Black widows, Latrodectus mactans. Bull's Pest Control (USA)
Bites and Stings Black widow, brown recluse and scorpions. Personal Safety. City of Phoenix (USA)
Spider scare hits Japan CNN World News (Latrodectus hasselti in Japan)
Latrodectus Genus Latrodectus (Black Widows), Insects of the San Francisco Bay Area, University of California, Berkeley (USA)
The Redback Spider Megan Williams. Rockingham Senior High School (Australia)
Black Widow Lactrodectus hesperus. Desert USA, Digital West Media (USA)
Black Widow Virginia Cooperative Extension (USA)
The Redback Spider home page Karthik Nadesan (USA)
Latrodectus (Red-Back Spider) envenomation Peter Wilson, North Rocks Veterinary Hospital (Australia)
The katipo spider Katipo Communications (New Zealand)
Picture of a Black Widow Mark Kostich (USA)
Black widow spider report The marceline school district, Missouri (USA)
General Household Pests Brown recluse spider, black widow, brown dog tick. Massey Services (USA)
Scanning Electron Microscope Images SEM images of a Deer Tick and the Black Widow tarsus claws. Science Learning Network. Museum of Science, Boston (USA)
Red-back Spider Victorian Spiders (Australia)
Male courtship signalling a picture and some info. Maydianne C.B. Andrade (Canada)
Black widow mating a very good picture by Andrew C. Mason (USA)
Venomous Creatures: Arthropods Arizona Poison and Drug Information Center (Black Widow, Brown Spiders, Scorpions, Tarantulas) (USA)
Latrodectus indistinctus Picture. Department of Life Sciences. University of South Africa (South Africa)
Latrodectus hesperus Virtual Science Centre (Singapore)
Western Black Widow Latrodectus hesperus. San Francisco Zoo (USA)
The widow spiders From 'The Hobo spider web site' (Tegenaria agrestis). Darwin K. Vest (USA)
Black Widow Spiders Calaveras County Cooperative Extension (USA)
The Redback Spider Latrodectus hasseltii. Robert Raven (Australia)
Redback Spider, Latrodectus hasseltii, & other Widows in Japan Robert Raven (Australia)
Red Back Australian Black Widow (Latrodectus hasselti); Chris Thompson and John Loadsman. Royal Prince Alfred Hospital Department of Anaesthetics (Australia)