Notes on the Brown Widow Spider, Latrodectus Geometricus (Araneae: Theridiidae) in Brazil [PDF]
, 2017 Three species of the cosmopolitan genus Latrodectus were reported by Bucherl (1964) as occurring in Brazil: L. mactans mactans (Fabricius) from Recife, Pernambuco and from P6rto Alegre, Rio Grande do Sul; L.
Anderson, Marilyn P.
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EntomoBrasilis, 2015 We record the first time the occurrence of Pediobius pyrgo (Walker) (Hymenoptera: Eulophidae) for South America. This is also the first report of P. pyrgo emerging from egg sacs of Latrodectus geometricus C. L. Koch (Araneae: Theridiidae).
Karine Schoeninger +3 more
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Contribution to the distribution of spiders with significant medical importance (Araneae: Loxosceles and Latrodectus) in Iran, with a new record for the country [PDF]
Iranian Journal of Animal Biosystematics, 2014 A faunistic review is given on the Iranian medically important spiders of two genera Loxosceles and Latrodectus. Latrodectus cinctus Blackwall, 1865 is reported for the first time from Iran (and for the second time from Asia) and is replaced with the ...
Alireza Zamani +3 more
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Dramatic expansion of the black widow toxin arsenal uncovered by multi-tissue transcriptomics and venom proteomics. [PDF]
, 2014 BackgroundAnimal venoms attract enormous interest given their potential for pharmacological discovery and understanding the evolution of natural chemistries.
Ayoub, Nadia A +4 more
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Extracting Cardiac Activity for Arthropods Using Digital Cameras: Insights From a Pilot Study. [PDF]
Arch Insect Biochem PhysiolArthropods are vital to ecosystems and are among the most diverse and abundant organisms on Earth. Understanding their physiological processes, including cardiac activity, is crucial for assessing their health, behavior, and responses to environmental changes.
Wang D, Chahl J.
europepmc +2 more sources
Ancient properties of spider silks revealed by the complete gene sequence of the prey-wrapping silk protein (AcSp1). [PDF]
, 2012 Spider silk fibers have impressive mechanical properties and are primarily composed of highly repetitive structural proteins (termed spidroins) encoded by a single gene family.
Ayoub, Nadia A +3 more
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The Effect of Latrodectus Venom and its Proteomic Functional Analyses
Tuijin Jishu/Journal of Propulsion Technology, 2023 Only a small number of spiders worldwide have fangs that penetrate human skin. Their venom is strong enough to harm humans. Among them, Latrodectus has 30 species and Sicariidae has more than 140 species worldwide. The bite of Latrodectus also called red
Somayeh Paydar, Kheirollah Maleki, Elaheh Paydar
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Envenomation caused by Latrodectus geometricus in São Paulo state, Brazil: a case report
Journal of Venomous Animals and Toxins including Tropical Diseases, 2009 Widow spiders (Latrodectus spp.), also known as "black widows", have a worldwide distribution and can cause latrodectism. To the best of our knowledge, in Brazil, only one case of Latrodectus geometricus (Koch, 1841) envenomation in a human has been ...
Ramb Almeida +3 more
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The Northern Widow Spider, Latrodectus Variolus (Araneae: Theridiiae), in Michigan [PDF]
, 2017 Until recently the species of widow spider occurring in Michigan was considered a variant of the black widow, Latrodectus mactans (Fabricius). Levi (1959) summarized and revised the worldwide genus Latrodectus, placing the southern areas of Illinois ...
Wilson, Louis F
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GigaScience, 2022 Background The black widow spider has both extraordinarily neurotoxic venom and three-dimensional cobwebs composed of diverse types of silk. However, a high-quality reference genome for the black widow spider was still unavailable, which hindered deep ...
Zhongkai Wang +6 more
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