MTPR

spiderwebs

Unravel The Silky Mysteries Of Spiderweb 'Stabilimenta'

Nov 18, 2015
Unidentified orb-weaver spider in its web.
Josh Burnham (CC-BY-NC-2)

I hardly would have noticed her among the dry grasses if it were not for an unusual structure incorporated into her web: a thick white zig-zag of silk descending from the center which drew my attention before I noticed the spider waiting in the middle. What was this silken aberration? Wouldn’t it make the otherwise cryptic web more conspicuous to spider-seeking predators or web-avoiding insects? Why would a spider take such risks?

Can Spider Webs Reveal Air Pollution?

Mar 16, 2015
Flickr user, PermaCultured

"Classic spiral spider webs are made by orb-weaving spiders which weave them deadly traps for flying insects. But orb spider webs are also electrostatically charged, making them perfect for capturing not only prey but pollen and other small pollutants, indicators of an environment's health.

Spiderwebs

Jun 27, 2014
Fir0002/Flagstaffotos.com.au

6/29/14 & 6/30/14: This week on "Fieldnotes:" "Spiderwebs," written by Deborah Richie and Lynn Tennefoss, read by Caroline Kurtz.