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In sexually-mature male spiders, the final segment of the pedipalp, the tarsus, develops a complicated structure (sometimes called the palpal bulb or palpal organ) that is used to transfer sperm to the female seminal receptacles during mating. The details of this structure vary considerably between different groups of spiders and are useful for ...
Various explanations have been proposed for the evolution of the complex structure of the palpal organs found in most groups of spiders. One is the "lock-and-key" theory. The epigyne of the female spider also has a complex shape, and studies of pairs killed instantaneously during copulation show a precise fit between the male and female ...
The cephalothorax, also called prosoma, is composed of two primary surfaces: a dorsal carapace and a ventral sternum.Most external appendages on the spider are attached to the cephalothorax, including the eyes, chelicerae and other mouthparts, pedipalps and legs.
Pedipalp and leg of a female spider from the underside; the coxa of the pedipalp is heavily modified to form the maxilla. Segments or articles of the legs and pedipalps: Coxa (plural coxae): First leg segment, between body and trochanter; the coxa of the pedipalp is heavily modified to form the maxilla or endite
Vagrant spiders vary in colour from dark brown to almost black, they typically have a body length of 20mm and a 50mm leg span. When alive, the interior of the male's pedipalp are brightly coloured (usually orange). [1] They are nocturnal hunters, feeding on ground-dwelling invertebrates. During the day they are found under logs and rocks.
A pedipalp is a type of mouthpart among arachnids. Palpi or pedipalpi can refer to: Pedipalpi, a subclade of Tetrapulmonata; Palpi (Lepidoptera mouthpart)
Russian President Vladimir Putin on Monday accused the West of pushing Russia to its "red lines" - situations it has publicly made clear it will not tolerate - and said Moscow had been forced to ...
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