black widow spider

(redirected from Latrodectus hesperus)
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black widow spider

poisonous spider; consumes her mate after mating. [Zoology: NCE, 308]
References in periodicals archive ?
Predators and parasitoids of egg sacs of the widow spiders, Latrodectus geometricus and Latrodectus hesperus (Araneae: Theridiidae), in southern California.
The natural diet of a polyphagous predator, Latrodectus hesperus (Araneae: Theridiidae), over one year.
In addition, we have recently shown that (i) Latrodectus hesperus uses chemical cues (foraging kairomones) and exhibits urban microhabitat preferences for areas occupied by arthropod prey (Johnson et al.
Esto coincide con lo observado por Gerhardt (1924) en Araneus diadematus (Araneidae), por Ross & Smith (1979) en Latrodectus hesperus (Theridiidae), por Gonzalez & Poncio (1992) en Achaearaneae jequitituba (Theridiidae), por Gonzalez & Armendano (1995) en Achaearaneaea tepidariorum (Theridiidae), y por Eberhard & Huber (1998) en Leucauge mariana (Tetragnathidae).
Aspects of courtship behavior of the black widow spider, Latrodectus hesperus (Araneae, Theridiidae), with evidence for the existence of a contact sex pheromone.
Our study describes a method of assessing spiderling sex using the relative size of the palpi in early-instar spiders of two species of black widows (Latrodectus hasselti Thorell 1870 and Latrodectus hesperus Chamberlin & Ivie 1935).
Aspects of the courtship behavior of the black widow spider, Latrodectus hesperus (Araneae, Theridiidae), with evidence for the existence of a contact sex pheromone.