Latrodectus mactans tredecimguttatus

Q Later it was discovered that the venom of various scorpions, like Tityus serrula-tus and Buthus occitanus, as well as spiders, like the Southern or Mediterranean Black Widow (Latrodectus mactans tredecimguttatus), also contains hradykinin-potentiating peptides. [3]... 

Lunev, A.V., Demin, V.V., Zaitsev, O.L, Spadar, S.L, and Grishin, E.V., 1991. Electron microscopy of a-latrotoxin from the venom of black widow spider Latrodectus mactans tredecimguttatus, Bioorg.Khim. 17 1021-1026. 

Grasso, A., 1976. Preparation and properties of a neurotoxin purified from the venom of the black widow spider (Latrodectus mactans tredecimguttatus), Biochim. Biophys. Acta 439, 409-412. 

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