The black widow spider genus Latrodectus (Araneae: Theridiidae): phylogeny, biogeography, and invasion history https://redtoxdev.nmn.mx/sites/default/files/toxiblog/descargables/2004-the-black-widow-spider-genus-latrodectus-earaneae-theridiidae-phylogeny-biogeography-and-invasion-history_0.pdf
