The Black Widow, (Latrodectus mactans), is a venomous spider of the family Theridiidae, order Araneida. The female, about 1.3 cm (0.5 in) long, is glossy black, densely clothed with microscopic hairs, and marked with a characteristic red hourglass on the underside of the abdomen. The male, which is rarely seen, is smaller than the female and […]
Red-back Spider – Lactrodectus hasselti
Hundreds of people are bitten by Red-back Spiders every year, however very few are seriously injured. (Check out a news article at the end of this page.) Its close relative, the Black Widow Spider, is probably the most common cause of serious spider bites overseas. An almost identical spider, the Katipo, is the only venomous spider in New Zealand. […]
Red-back Spider – Lactrodectus hasselti
Hundreds of people are bitten by Red-back Spiders every year, however very few are seriously injured. (Check out a news article at the end of this page.) Its close relative, the Black Widow Spider, is probably the most common cause of serious spider bites overseas. An almost identical spider, the Katipo, is the only venomous spider in New Zealand. […]
Red-back Spider
Redback spiders (Latrodectus hasselti) belong to the Family Theridiidae, which is found worldwide. The notorious Black Widow Spider (Latrodectus sp) of the United States is a close relative of the Redback Spider, and only differs in appearance by the absence of a red dorsal stripe.The Redback is found in all parts of Australia except in the hottest deserts […]
Widow Spider
Black Widow is a common name of some spiders in the genus Latrodectus which belong to the spider family Theridiidae, or the cobweb weavers. The North American species are (Western) Black widow, Latrodectus hesperus; (Southern) Black widow, Latrodectus mactans; (Northern) Black widow, Latrodectus variolus. Spiders of the genus Steatoda also belong to the spider family Theridiidae and are often confused with the […]