Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Araneus marmoreus"'
Autor:
Cassandra M. Burba, Pritesh D. Deva, Hannah Mae Elmore, Brent D. Opell, Mary L. Hendricks, Matthew H. Y. Kin, Malik X. Rivas
Publikováno v:
Ecology and Evolution, Vol 9, Iss 17, Pp 9841-9854 (2019)
Ecology and Evolution
Ecology and Evolution
An orb web's adhesive capture spiral is responsible for prey retention. This thread is formed of regularly spaced glue droplets supported by two flagelliform axial lines. Each glue droplet features a glycoprotein adhesive core covered by a hygroscopi
Autor:
Brent D. Opell
Publikováno v:
The Journal of Arachnology. 48
Before constructing an orb web, an araneoid spider takes down and ingests the previous day's web. Nocturnal species do this either during the early evening or in the early morning and diurnal species during the early morning, times of the day when re
Publikováno v:
The Journal of experimental biology. 220(Pt 7)
Properties of the viscous prey capture threads of araneoid orb spiders change in response to their environment. Relative humidity (RH) affects the performance of the thread's hygroscopic droplets by altering the viscoelasticity of each droplet's adhe
Autor:
Harold S. Schwend, Brent D. Opell
Publikováno v:
Journal of Experimental Zoology Part A: Ecological Genetics and Physiology. :11-16
The most commonly encountered spider orb-webs rely on sticky, viscous capture threads to retain prey. These threads are composed of supporting fibers covered by a complex aqueous solution that forms a series of droplets, each with a glycoprotein gran
Autor:
Brent D. Opell
Publikováno v:
Journal of Arachnology. 30:494-502
Sticky threads improve an orb web's ability to retain the insects that strike it, allowing a spider more time to subdue these insects before they can escape from the web. The adhesive capture threads found in most orb webs feature small droplets of a
Autor:
Kathryn Knight
Publikováno v:
Journal of Experimental Biology. 220:1163-1163
[Figure][1] An Araneus marmoreus female as her retreat is being opened. Photo credit: Brent Opell. Blundering into a sticky spider's web is unpleasant enough, even when you are large and can tear free. But for smaller creatures, impacting a web is a
Autor:
Mauro Fasola
Publikováno v:
Italian Journal of Zoology. 66:153-158
Spiders are generalist predators, abundant in terrestrial ecosystems, and hence good candidates for interspecific competitive constraints. Contrary to these premises, evidence of interspecific competition in web‐weaving spiders is ambiguous, and ne
Autor:
Alain Pasquet, Raymond Leborgne
Publikováno v:
Netherlands Journal of Zoology. 48:39-52
Hunting tactics of two sympatric orb-weaving spiders Argiope bruennichi (Scopoli) and Araneus marmoreus Clerck were investigated in the field by offering them flies (40 mg) or grasshoppers (250 mg or 100 mg). For each prey item offered capture rate,
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Publikováno v:
Journal of experimental zoology. Part A, Ecological genetics and physiology. 315(6)
Evolution of orb-weaving spiders that comprise the Orbiculariae clade involved a transition in the composition of prey capture thread that has been challenging to explain. The primitive cribellar threads spun by members of the Deinopoidea subclade re