Sentences with phrase «arachnid species»

Few arachnid species today are known to share a web, suggesting this is the oldest fossil evidence of social behavior in spiders.

Not exact matches

In one scorpion species, researchers have found that the arachnids use a relatively weak, but easily produced, prevenom for small jobs such as paralyzing insects and save their deadliest venom for serious work like fending off a larger animal.

Associations in which a more vulnerable species gains protection by seeking out the company of a pugnacious protector species capable of deterring predators are more well - known among birds than among arachnids.

These arachnids, nicknamed the «Kalahari Ferrari,» can reach speeds up to 10 miles per hour and generally only come out at night during the warm season, although some species are active only during the mid-day heat.

The study «fills a gap in the fossil record with an extremely well - preserved specimen» and may provide valuable clues about a species that has been «virtually ignored by zoologists,» adds Jason Dunlop, curator for arachnids at the Museum für Naturkunde der Humboldt - Universität in Berlin, Germany.

In a later study comparing almost 3400 active genes in 70 spider species, Bond's team found that mostly webless, ground - dwelling arachnids such as wolf spiders and jumping spiders diversified much more quickly than web weavers, perhaps because they were able to exploit a plethora of new opportunities once they no longer had to build and tend webs.

But just as the arachnids» claw size and venom potency vary from species to species, so does their ability to fluoresce, with some species lacking the ability altogether, new research shows.

Computed tomography unlocked the mystery by allowing Garwood and his colleagues to peer inside the rock at the arachnid's walking legs and mouthparts, which are important for identifying the genus and species of this kind of creature.

Nor does the newly described species sport a taillike segment called a telson that's often seen in earlier and more primitive arachnids.

The new species was part of a previously unknown group of ancient arachnids that could help scientists suss out how and when spiders and their cousins evolved, the team reports March 30 in Proceedings of the Royal Society B.

As with any group of disparate species, it is hard to generalize about arachnids» care, but I'll try.

Off the top of my head, I can think of sand boas, desert arachnids, true desert species of gecko and that's about it.

There are tens of thousands of insects, arachnids and other classes and species in Kentucky, but Matt Markgraf visits the lab of Murray State assistant professor of biology Dr. Laura Sullivan Beckers to talk about some of the most common in west Kentucky that you might find in your home this time of year.

Although most caves have not been thoroughly explored yet and because of the isolation of them you will find natural splendors and archaeological significance such as ancient Mayan Pottery and abundant species of animals such as blind white crayfish and numerous arachnids.