black widow The Finding of Black Widow – Latrodectus Tredecimguttatus (Rossi, 1790) (Aranei, Theridiidae) on the Territory of Saratov Province Authors: Anikin V. V., Kuzmin E. A. The article contains information about the reliable finding of black widow (Latrod ectus tredecimguttatus) on the territory of Saratov Province. The Finding of Black Widow – Latrodectus Tredecimguttatus (Rossi, 1790) (Aranei, Theridiidae) on the Territory of Saratov Province Authors: Lysenko T. M. The article contains information about the reliable finding of black widow (Latrod ectus tredecimguttatus) on the territory of Saratov Province.