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Arachnids may have one or two gonads, which are located in the abdomen. The genital opening is usually located on the underside of the second abdominal segment. In most species, the male transfers sperm to the female in a package, or spermatophore. The males in harvestmen and some mites have a penis. [35]
The anatomy of spiders includes many characteristics shared with other arachnids. These characteristics include bodies divided into two tagmata (sections or segments), eight jointed legs, no wings or antennae, the presence of chelicerae and pedipalps , simple eyes , and an exoskeleton , which is periodically shed .
1.2 Anatomy and physiology. 1.2.1 ... Whether the two groups are more closely related to each other than to other arachnids is ... Both male and female adults seek ...
Pages in category "Arachnid anatomy" The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes. B. Book lung; C. Cercus;
Arachnid anatomy (1 C, 15 P) Arachnids by year of formal description (3 C) C. Cave arachnids (1 C, 116 P) E. Extinct arachnids (1 C, 14 P) H. Arachnids and humans (6 ...
Anopheles stephensi. Arthropodology (from Greek ἄρθρον - arthron, "joint", and πούς, gen.: ποδός - pous, podos, "foot", which together mean "jointed feet") is a biological discipline concerned with the study of arthropods, [1] a phylum of animals that include the insects, arachnids, crustaceans and others that are characterized by the possession of jointed limbs.
Joro spiders can create large webs that can be up to 10 feet wide. A Nephila clavata, a type of orb weaver spider native to Japan where it is called joro-gumo or joro spider, waits in its web for ...
Ricinulei is a small order of arachnids.Like most arachnids, they are predatory; eating small arthropods.They occur today in west-central Africa and the Americas (Cryptocellus and Pseudocellus) from South America to as far north as Texas, where they either inhabit leaf-litter or caves.