What spider spins a funnel-web?

What spider spins a funnel-web?

funnel-web spider, (family Dipluridae), member of a family of spiders in the order Araneida that are named for their funnel-shaped webs. Their webs open wide at the mouth of the tube, and the spider sits in the narrow funnel waiting for prey to contact the web.

Are there Funnel-Web spiders in America?

Agelenidae spiders, also called funnel weavers, live throughout the world. According to the Encyclopedia of Life(EOL), there are nearly 1,200 species of agelenids worldwide; about 100 of them are found in North America.

What does a Cephalothorax do?

MORPHOLOGY. The body of a spider is divided into two regions: the anterior cephalothorax (prosoma), which represents a fusion of the head and thoracic segments, and the abdomen (opisthosoma) (Fig. 22.1). The cephalothorax bears the chelicerae, pedipalps, eyes, and legs.

Are spiders chelicerates?

Chelicerates (Chelicerata) are a group of arthropods that includes harvestmen, scorpions, mites, spiders, horseshoe crabs, sea spiders, and ticks. There are about 77,000 living species of chelicerates. Chelicerates have two body segments (tagmenta) and six pairs of appendages.

What is the most deadliest spider in the world?

Sydney funnel-web spider
Sydney funnel-web spider. According to the Guinness World Records, the Sydney funnel-web spider, Atrax robustus, is the most dangerous spider to humans in the world. Native to Australia, this poisonous spider is found in moist habitats such as under logs or in gardens.

What eats funnel-webs?

Sydney Funnel-Web Spider Facts Overview

Habitat: Moist, dark areas, such as under logs or bushes
Weight: Unknown
Color: Dark coloured, with varying shades of blue-black or brown-black
Diet: Cockroaches, insect larvae, beetles, snails, and small vertebrates
Predators: Birds, small mammals, and reptiles

What is the deadliest spider to humans?

What is a prosoma?

Definition of prosoma : the anterior region of the body of an invertebrate (such as an arachnid) especially when the segmentation is suppressed or obscured especially : cephalothorax.

What is a spider’s mouth called?

CHELICERAE. The chelicerae are a spider’s jaws. They are located on the very front of a spider’s cephalothorax. Every Kentucky spider has a pair of chelicerae, and they are tipped with fangs. Chelicerae are filled with muscles, and are used to hold prey while the spider injects venom.

What is book lungs?

book lung, form of respiratory organ found in certain air-breathing arachnid arthropods (scorpions and some spiders). Each book lung consists of a series of thin plates that are highly vascular (i.e., richly supplied with blood) and are arranged in relation to each other like the pages of a book.

Are lobsters chelicerates?

Barnacles, shrimps, crabs, lobsters, wood lice, and crayfish are crustaceans, while horseshoe crabs, spiders, and scorpions are chelicerates. All of them, together with insects, centipedes and millipedes, belong to the arthropods which represent the vast majority of the animal world and have rich fossil records.

What does a cephalothorax do?

What are Chelicerae and Pedipalps?

Pedipalps (commonly shortened to palps or palpi) are the second pair of appendages of chelicerates – a group of arthropods including spiders, scorpions, horseshoe crabs, and sea spiders. The pedipalps are lateral to the chelicerae (“jaws”) and anterior to the first pair of walking legs.

  • October 31, 2022