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Highly simplified and stylized diagram of the main parts of an inflated palpal bulb, based loosely on Coddington (1990); [19] hardened parts shown darker, membranous parts shown lighter Palpal bulb (also called bulbus , palpal organ , genital bulb ): The copulatory organ of the male spider, carried on the modified last segment of the pedipalp ...
Paintings of Araneus angulatus from Svenska Spindlar of 1757, the first major work on spider taxonomy. Spider taxonomy is the part of taxonomy that is concerned with the science of naming, defining and classifying all spiders, members of the Araneae order of the arthropod class Arachnida, which has more than 48,500 described species. [1]
Spiders that spin webs typically have three claws, the middle one being small; hunting spiders typically have only two claws. Since they do not have antennae, spiders use specialised and sensitive setae on their legs to pick up scent, sounds, vibrations and air currents. [6] Some spiders, such as the Australian crab spider, do not have claws.
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This type becomes substantially reduced in orb-web spiders, in which a collecting duct is lacking and the labyrinth apparently no longer has an excretory function." (Biology of Spiders, 1996) I would also like to point out that Biology of Spiders includes two diagrams similar to the one above. One shows the entire spider and one shows only the ...
Solifugae is an order of arachnids known variously as solifuges, sun spiders, camel spiders, and wind scorpions. The order includes more than 1,000 described species in about 147 genera . Despite the common names, they are neither true scorpions (order Scorpiones) nor true spiders (order Araneae ).
In this spider diagram, the position of the book lungs is labelled 1. Spider book lungs (cross section) Internal anatomy of a female spider, book lungs shown in pink A book lung is a type of respiration organ used for atmospheric gas-exchange that is present in many arachnids, such as scorpions and spiders.
After expansion, it's clear that much of this glossary only applies to spiders (e.g. all the stuff related reproductive morphology, silk production, venom, etc.), so I moved it to "Glossary of spider terms" (English name by analogy with Glossary of bird terms and Glossary of ant terms – "araneology" is not as well-known a term as, say ...