black widow spider

Black Widow Secrets in Phage Genome
Jef Akst | Oct 12, 2016
In the DNA of the WO phage, which infects arthropod-inhabiting Wolbachia, researchers find sequences related to a black widow spider’s toxin and other animal genes.
Spiders, Prey Leave DNA
Bob Grant | Nov 30, 2015
A study of black widow spiders suggests that the arachnids leave traces of their own genetic material and DNA from prey in their sticky webs.