Sentences with phrase «orb weavers»

Others include species of orb weaver, especially those from the genus Celaenia, says spider expert Robert Whyte.

Researchers from China and England harvested silk from two species of golden orb weaver spiders, Nephila edulis and Nephila pilipes, and tested it with a torsion pendulum.

Three orb weaver species in particular had incredibly short cycles of activity and inactivity.

The spider Fossey is working with — known as the golden orb weaver, or Nephila clavipes — produces seven different silks from seven different glands.

The trashline orb weavers appear to get by just fine.

The missing sector orb weaver, however, is more of an indoors spider.

TIME WARP This spiny orb weaver and two of its relatives may have evolved an impossibly short circadian clock by spinning their webs before dawn to avoid predators.

Contrary to earlier studies, the analyses divided orb weavers, the many spider species that make the classic spiral webs and cobwebs, into two groupings and put them on very different branches of the tree.

Early in her career, she had cloned the Flag gene, which codes for flagelliform silk, the elastic filament that orb weavers use in the insect - capturing spirals of their webs.

Most orb weaver species rebuild their webs just after sunrise.

-LSB-...] It was not long after my dive into the world of orb weavers that I started taking an even deeper interest in all spiders.

The garden orb weaver's Latin name, Argiope means «silver - faced,» and that color blends in nicely with its web.

When the scientists measured the internal clocks of trashline orb weavers, however, they saw something extraordinary: The spiders ran on an 18.5 - hour day, the shortest natural circadian cycle ever observed.

Two of the most common are the missing sector orb weaver (Zygiella x-notata) and the lace webbed spider (Amaurobius sp.).

For example, what math was used to calculate the capability of dragline silk from an orb weaver spider that is lighter than cotton, yet ounce for ounce stronger than steel, tougher than kevlar (used in bullet - proof vests), that if the silk were 0.4 inch thick with strands 1.6 inches apart and enlarged the size of a football field, could stop a jumbo jet in flight, that is flying at an average speed of about 600 mph?

WASHINGTON, D.C. — If it takes you a while to recover from a few lost hours of sleep, be grateful you aren't an orb weaver.

But in the five to seven hours of daylight left, the orb weavers remain inactive.

Moore and his colleagues were surprised to find the short circadian clocks while studying aggression and passivity in an orb weaver.

Short clocks may help these orb weavers avoid becoming the proverbial «worm» to the earliest birds, the researchers hypothesize.

But the three orb weavers» body clocks average at about 17.4, 18.5 and 19 hours respectively.

* Correction 2 November, 2:30 p.m.: An earlier version of this story incorrectly described the silk by some orb weavers as woolly when viscid is accurate.

But the velvet spider genome, together with that of the orb weaver and the house spider, has exposed an unexpected variety of silk genes — «a lot more than we thought,» Coddington says.

One of the orb weaver's silk genes is even expressed in the spider's venom gland.

Other spiders, such as orb weavers in the genus Celaenia, also look like bird droppings, but the foul smell makes bird - dung crab spiders unique.

They have also looked for the activity of similar genes in the silk glands and other tissues of cobweb - weaving spiders, a subset of orb weavers that build 3D webs instead of flat ones.

Orb weavers have seven types of silk glands for making webs and egg cases and capturing prey.

Orb weavers that produce fuzzy, sticky fibers called cribellate silk ended up in a part of the tree that includes many spiders that don't make webs at all, whereas orb weavers that make a viscid silk are on their own branch.

Jones studies social behavior in the orb weaver spiders that his undergraduate students collect near their East Tennessee State University campus.

«PARRISH PERSECTIVES: JOE ZUCKER: LIFE & TIMES OF AN ORB WEAVER» opens March 15 and continues through April 26.

«PARRISH PERSECTIVES: JOE ZUCKER: LIFE & TIMES OF AN ORB WEAVER» continues through April 26.