Arachnid Science: Article Reviews

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In brief: DuPlessis, J.L. 2005. Collection of venom from southern African scorpions. Toxicon 45: 681-682.

In this letter to the editor, DuPlessis describes a technique that his laboratory uses for venom collection in which the scorpion is secured in an envelope made from household aluminum foil. The envelope is anchored to a slab of styrofoam, as is a short length of rope, which is strapped over segment I of the metasoma as it protrudes from the envelope (photo included with letter). Weak electrical stimulation is delivered between segment V and the metasoma to trigger venom release. The technique is quick yet safe to both scorpion and collector. The scorpion tends to remain calm and fairly immobile within the envelope, reducing the risk of wasting venom. This technique is especially suitable for some scorpion species that expel venom when manipulated and stressed (e.g., some Parabuthus and Opistophthalmus species). Several references may be useful to those interested in the history and refinement of venom collection techniques.

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