Results 21 to 30 of about 5,520 (247)

A history of accidental widow spider (genus Latrodectus) introductions on the island of Ireland with a new irish record for Latrodectus hesperus (Chamberlin and Ivie, 1935), and additional records of Latrodectus geometricus (C.L. Koch, 1841).

Biology and Environment: Proceedings of the Royal Irish Academy, 2023
:The widow spiders of the genus Latrodectus (Araneae: Theridiidae) have a well-documented global medical significance due to the potent venom many of them possess.
B. Collier, M. Dugon, M. Nolan, A. Fort, K. Healy, A. Vitkauskaite, K. Lyons, E. Munnelly, L. McSharry, J.P. Dunbar, Ana I. Ayala, Elvira de Eyto, E. Jennings, Stéphane Goyette, Don C. Pierson, B. Osborne, Parvin Salehi Shanjani, Ameneh Gholami, Seyed Esmail Seyedian, Mohammad Mahmoodi, Hamideh Javadi, A. Athukorala, A. Amarathunga, D. de Silva, A. Bakir, A. McGoran, D. Sivyer, R. D. De Silva   +27 more
semanticscholar   +1 more source

Injected serotonin decreases foraging aggression in black widow spiders (Latrodectus hesperus), but dopamine has no effect.

Behavioural Processes, 2023
A fundamental goal of animal behavior research is to discover the proximate mechanisms driving individual behavioral differences. Biogenic amines are known to mediate various aspects of behavior across many species, including aggression, one of the most ...
Hannes A. Schraft, Chasity Bilbrey, Matt Olenski, Nicholas DiRienzo, Pierre‐Olivier Montiglio, A. Dornhaus   +5 more
semanticscholar   +1 more source

Web Vibrations in Intraspecific Contests of Female Black Widow Spiders, Latrodectus hesperus

Environmental Entomology, 2023
Female black widow spiders, Latrodectus hesperus Chamberlin and Ivie (Araneae: Theridiidae), are solitary predators of arthropods with no tolerance for intruders on the webs. In California, L. hesperus are found in urban and agricultural settings and can
R. Krugner, Crystal Espindola, Nathan Justus, R. Hatton   +3 more
semanticscholar   +1 more source

Epidemiologia del latrodectismo en la Provincia de Buenos Aires, Argentina Epidemiologia do latrodectimo na Provincia de Buenos Aires, Argentina Epidemiology of latrodectus bites in Buenos Aires Province, Argentina

Revista de Saúde Pública, 1992
El presente trabajo tiene por objeto dar a conecer los resultados del Latrodectismo y su tratamiento especifico, durante un periodo de 10 años (1979-1988) en la Provincia de Buenos Aires.
Carlos S. Grisolia, Fabio O. Peluso, Nestor O. Stanchi, Flavio Francini   +3 more
doaj   +3 more sources

Aracnidismo: Caracteres diferenciales y manifestaciones clínicas. Revisión Sistemática

Kasmera, 2022
Las arañas son artrópodos venenosos de distribución mundial, debido a su adaptabilidad y presencia en zonas tanto rurales como urbanas. Se establecieron como objetivos determinar los caracteres morfológicos más resaltantes, mencionar las características
Glenda Coromoto Velásquez Serra, Camila Janina García Yuquilema, Lady Serrano Murillo   +2 more
doaj   +1 more source

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.
core   +2 more sources

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, Clarke, Thomas H, Garb, Jessica E, Haney, Robert A, Hayashi, Cheryl Y   +4 more
core   +2 more sources

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
semanticscholar   +1 more source

First Record of Pediobius pyrgo Walker (Hymenoptera: Eulophidae) in South America and its Emergence from Egg Sacs of Latrodectus geometricus C. L. Koch (Araneae: Theridiidae)

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, Diego Pádua, Lidianne Salvatierra, Marcio Oliveira   +3 more
doaj   +3 more sources

Additions to the araneofauna of Andhra Pradesh, India - part II. Records of interesting species of the comb-footed genera Latrodectus, Rhomphaea and Coleosoma (Araneae: Theridiidae)

Journal of Threatened Taxa, 2013
We report three interesting species of comb-footed spiders (Aranaea: Theridiidae) belonging to three different genera, namely, Latrodectus, Rhomphaea and Coleosoma, of which Latrodectus erythromelas is a first record to India, while Rhomphaea projiciens ...
C. Srinivasulu, B. Srinivasulu, S.M. Maqsood Javed, M. Seetharamaraju, S.A. Jyothi, C.A. Srinivasulu, F. Tampal   +6 more
doaj   +1 more source