Qualitative and Quantitative Proteomic Analysis of Venoms from Mexican Rattlesnakes

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  Qualitative and Quantitative Proteomic Analysis of Venoms from Mexican Rattlesnakes Abstract Despite the vast biodiversity of Mexican vipers, venom of endemic species has been barely studied. Here we analyzed the venom composition of three endemic species of rattlesnakes: Crotalus aquilus , C. triseriatus , and C. ravus . We used quantitative chromato-mass-spectrometry and compared venoms with C. molossus , a species commonly found in North America, in a comparative and phylogenetic framework. In total, we identified 165 proteins grouped in 19 main protein families, consistent with previous reports for viperid venoms. In C. aquilus and C. triseriatus , the most predominant protein-family type was Serine Proteases, and in C. triseriatus and C. molossus it was Snake Venom Metalloproteases. The Label-free quantification revealed a high proportion of Snake Venom Metalloproteases in C. aquilus , C. triseriatus , and C. molossus , reaching 28–47% of the total venom. In contrast, in ...

Parasteatoda tabulata (Levi, 1980), a new cobweb spider species in the Hungarian fauna (Araneae: Theridiidae)

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Parasteatoda tabulata (Levi, 1980), a new cobweb spider species in the Hungarian fauna (Araneae: Theridiidae)

Abstract
Parasteatoda tabulata (Levi, 1980) (Araneae: Theridiidae), a cobweb spider species of Asian origin, is reported for the first time from Hungary. Specimens were collected in and around the outdoor area of a garden centre in Budapest. Photographs of the copulatory organs and the habitus of voucher specimens from Hungary are provided.

Takács, Mátyás & Tamas, Szuts & Horváth, Dávid & Mezőfi, László. (2025). Parasteatoda tabulata (Levi, 1980), a new cobweb spider species in the Hungarian fauna (Araneae: Theridiidae). Folia Entomologica Hungarica. 86. 221-226. 10.17112/FoliaEntHung.2025.86.221.