A new species of Strotarchus Simon, 1888 from Mexico and description of the male of the type species S. nebulosus Simon, 1888 (Araneae: Cheiracanthiidae)

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  A new species of Strotarchus Simon, 1888 from Mexico and description of the male of the type species S. nebulosus Simon, 1888 (Araneae: Cheiracanthiidae) Abstract A new sac spider of the genus Strotarchus Simon, 1888, S. adrianae spec. nov., is described based on specimens of both sexes collected from Jalisco, Mexico. In addition, the previously unknown male of Strotarchus nebulosus Simon, 1888 is described for the first time. Orozco-Gil, M., Jiménez, M.-L. & Chamé-Vázquez, D. (2026) A new species of Strotarchus Simon, 1888 from Mexico and description of the male of the type species S. nebulosus Simon, 1888 (Araneae: Cheiracanthiidae). Zootaxa, 5821 (2), 263–273. https://doi.org/10.11646/zootaxa.5821.2.7

Hypersensitivity vs. uncommonly severe local envenoming by the red-back spider, Latrodectus hasselti Thorell, 1870 (Araneae: Theridiidae)

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Hypersensitivity vs. uncommonly severe local envenoming by the red-back spider, Latrodectus hasselti Thorell, 1870 (Araneae: Theridiidae)

Highlights

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    Widow spider envenoming commonly causes a recognizable syndrome, latrodectism

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    Common features include pain, diaphoresis, myalgia, autonomic effects

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    34-yr-old woman envenomed by red-back spider (Latrodectus hasselti) developed severe local edema

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    Patient had a history of previous L. hasselti envenoming treated with antivenom

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    Patient was effectively treated with antivenom

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    Full resolution required one week

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    Mixed atopy and venom-induced effects should be considered in some envenomed patients

Weinstein, S. A. (2024). Hypersensitivity vs. Uncommonly severe local envenoming by the red-back spider, Latrodectus hasselti Thorell, 1870 (Araneae: Theridiidae). Toxicon, 108077. https://doi.org/10.1016/j.toxicon.2024.108077