cobweb spiders

cobweb spiders

members of the dipneumonomorph spiders in the family Theridiidae. Includes the red-back or black widow spider.
References in periodicals archive ?
And there are predators - cobweb spiders, ground beetles.
There's a good chance you've found web-builders like cobweb spiders and cellar spiders in your closets, attic or basement.
Morphological phylogeny of cobweb spiders and their relatives (Araneae, Araneoidea, Theridiidae).
Most cobweb spiders can be identified by their large, round, shiny abdomens, relatively thin legs, and their tendency to hang upside down in messy cobwebs that are attached to the structure by a few sticky threads.
A more suitable sort of spider for casual study--and the type my sons and I are most fond of--are the everyday house spiders, more notoriously known as cobweb spiders.
As an example of the evolutionary intricacies that context dependency can unravel, we focus here on the evolution of a putative behavioral synapomorphy of cobweb spiders (Theridiidae): a typical attack tactic named reeling.
Hunting tactics in a cobweb spider (Araneae-Theridiidae) and the evolution of behavioral plasticity.
Wolf spiders (Lycosidae), cobweb spiders (Theridiidae), and giant crab spiders (Sparassidae) showed no significant habitat preference.
Spiderlings also are predators once they begin to feed (Foelix 1996; GB unpublished data), although the young of some cobweb spiders (Theridiidae) are fed by their mother with freshly caught prey or by regurgitation (Gertsch 1949; Viera et al.
Keywords: Web construction behavior, web design, aerial sheet web, cobweb spider
The attack behavior of the cobweb spider Achaearanea tesselata (Keyserling 1884) is roughly separated into three sequential steps: descend from the suspended retreat, pass through the sheet threads, and wrap the prey from underneath the sheet.