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Green-shaded pedipalps in an illustrated dorsal view of a whip scorpion. Pedipalps (commonly shortened to palps or palpi) are the secondary pair of forward appendages among chelicerates – a group of arthropods including spiders, scorpions, horseshoe crabs, and sea spiders.
A scorpion has darkened or granular raised linear ridges, called "keels" or "carinae" on the pedipalp segments and on other parts of the body; these are useful as taxonomic characters. [50] Unlike those of some other arachnids, the legs have not been modified for other purposes, though they may occasionally be used for digging, and females may ...
Pedipalp anatomy varies strongly with species, with configurations often conforming to a particular style of prey capture. The pedipalps of some genera such as Euphrynicus are extremely long, and free of spines until near the extreme distal end of the appendage.
They usually dig burrows with their pedipalps, to which they transport their prey. [13] They may also burrow under logs, rotting wood, rocks, and other natural debris. They prefer humid, dark places and avoid light. Mastigoproctus giganteus, the giant whip scorpion, is found in more arid areas, including Arizona and New Mexico. [23]
Palpigradi is an order of very small arachnids commonly known as microwhip scorpion or ... Both the nine-segmented pedipalps and the four pairs of legs end in three ...
Male Huishui dwarf spiders have unique genitalia, known as pedipalps, the study said. Pedipalps are the shorter front appendages that function both as sensory organs and reproductive organs.
This small scorpion has the total length of 22 to 36 mm. Patella of pedipalps with 3 ventral trichobothria. Body uniformly reddish to yellowish brown. Telson yellow. Median and three lateral pigmented eyes present, which are not troglobitic. Chelicerae are yellowish brown, and reticulated.
The scorpions grow on average 50–70 mm in length, the body is yellow or reddish-yellow on the back, with pale, yellow or yellow-brown legs, pedipalps and tail, also the legs and pedipalps may have dark segmented marks, the body of the immature is reddish, with dark spots on the leg.