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Augacephalus Breyeri
''Augacephalus breyeri'' is a species of harpactirine theraphosid spider, found in South Africa, Mozambique and Eswatini. Description ''Augacephalus breyeri'' females are 40-55mm in total length. The cephalothorax is 15-22mm long and 12-18mm wide, and sometimes has a "step" separating the cephalic region from the fovea. The cephalothorax has a radial pattern of orange striae set on a background of black setae, and the cephalic region has a black "mask". The fovea is shallow. There are long emergent setae on the sternum and coxae. The spermathecae are flattened and triangular. The abdomen (opisthosoma) is 18.8–27.2mm long and 12.9–19.4mm wide. Its dorsal surface is orange/beige with a dark pattern of spots, bars and reticulations. The legs and palpi are orange or beige. Male ''Augacephalus breyeri'' have a megaspine surmounting a distal proventral tibial apophysis. They have relatively robust embolus. The total length of the male is 18mm. The cephalothorax is 8.4mm long a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Harpactirinae
The Harpactirinae (commonly called baboon spiders) are a subfamily of tarantulas which are native to the continent of Africa. Like many Old World tarantulas, they have a relatively strong venom, and can inflict a painful bite. Description Harpactirinae are ground-dwelling spiders which build silk-lined burrows, often under debris such as stones, using their fangs and chelicerae for digging. Habitats include savanna woodlands, grasslands, and dry scrublands. Systematics The following genera and species are present in the Harpactirinae. In addition, the genus '' Brachionopus'' (Pocock, 1897) has been suggested for placement in this subfamily, but its taxonomy is currently disputed. '' Augacephalus'' (Gallon, 2002) Type species: '' Augacephalus breyeri'' In synonymy: '' Augacephalus nigrifemur'' (Schmidt, 1995) = '' Augacephalus junodi'' *'' Augacephalus breyeri'' (Hewitt, 1919) — Mozambique, South Africa, Eswatini *'' Augacephalus ezendami'' (Gallon, 2001) — Mozambique ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spermatheca
The spermatheca (pronounced plural: spermathecae ), also called receptaculum seminis (plural: receptacula seminis), is an organ of the female reproductive tract in insects, e.g. ants, bees, some molluscs, oligochaeta worms and certain other invertebrates and vertebrates. Its purpose is to receive and store sperm from the male or, in the case of hermaphrodites, the male component of the body. Spermathecae can sometimes be the site of fertilization when the oocytes are sufficiently developed. Some species of animal have multiple spermathecae. For example, certain species of earthworms have four pairs of spermathecae—one pair each in the 6th, 7th, 8th, and 9th segments. The spermathecae receive and store the spermatozoa of another earthworm during copulation. They are lined with epithelium and are variable in shape: some are thin, heavily coiled tubes, while others are vague outpocketings from the main reproductive tract. It is one of the many variations in sexual reproduct ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Richard Gallon
Richard is a male given name. It originates, via Old French, from Frankish language, Old Frankish and is a Compound (linguistics), compound of the words descending from Proto-Germanic language, Proto-Germanic ''*rīk-'' 'ruler, leader, king' and ''*hardu-'' 'strong, brave, hardy', and it therefore means 'strong in rule'. Nicknames include "Richie", "Dick (nickname), Dick", "Dickon", "Dickie (name), Dickie", "Rich (given name), Rich", "Rick (given name), Rick", "Rico (name), Rico", "Ricky (given name), Ricky", and more. Richard is a common English, German and French male name. It's also used in many more languages, particularly Germanic, such as Norwegian, Danish, Swedish, Icelandic, and Dutch, as well as other languages including Irish, Scottish, Welsh and Finnish. Richard is cognate with variants of the name in other European languages, such as the Swedish "Rickard", the Catalan "Ricard" and the Italian "Riccardo", among others (see comprehensive variant list below). People ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pterinochilus
''Pterinochilus'' is a genus of baboon spiders that was first described by Reginald Innes Pocock in 1897. They are found all throughout Africa Species it contains ten species, all found in Africa: *'' Pterinochilus alluaudi'' Berland, 1914 – Kenya *'' Pterinochilus andrewsmithi'' Gallon, 2009 – Kenya *'' Pterinochilus chordatus'' ( Gerstäcker, 1873) – East Africa *'' Pterinochilus cryptus'' Gallon, 2008 – Angola *'' Pterinochilus lapalala'' Gallon & Engelbrecht, 2011 – South Africa *''Pterinochilus lugardi'' Pocock, 1900 – Southern, East Africa *'' Pterinochilus murinus'' Pocock, 1897 – Angola, Central, East, Southern Africa *'' Pterinochilus raygabrieli'' Gallon, 2009 – Kenya *'' Pterinochilus simoni'' Berland, 1917 – Angola, Congo *'' Pterinochilus vorax'' Pocock, 1897 ( type) – Angola, Central, East Africa In synonymy Formerly included See also * List of Theraphosidae species This page lists all described genera and species of the spider f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Hewitt (herpetologist)
John Hewitt (23 December 1880 – 4 August 1961) was a South African zoologist and archaeologist of British origin. He was born in Dronfield, Derbyshire, England, and died in Grahamstown, South Africa. He was the author of several herpetological papers which described new species. He also described new species of spiders and other arachnids. Biography He graduated with a first-class in natural sciences from Jesus College, Cambridge in 1903. From 1905 to 1908 he was Curator of the Sarawak Museum in Kuching, Sarawak. In 1909 he went to South Africa to work as an assistant curator at the Transvaal Museum in Pretoria. In 1910 he was appointed Director of the Albany Museum in Grahamstown, eventually retiring in 1958.Deacon HJ, Deacon J (1999)''Human Beginnings in South Africa: Uncovering the Secrets of the Stone Age.''Walnut Creek, California: AltaMira Press. viii + 215 pp. His daughter, Florence Ellen Hewitt (1910–1979), was a teacher and phycologist. He was a founder mem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thornveld
Veld ( or ), also spelled veldt, is a type of wide open rural landscape in :Southern Africa. Particularly, it is a flat area covered in grass or low scrub, especially in the countries of South Africa, Lesotho, Eswatini, Zimbabwe and Botswana. A certain sub-tropical woodland ecoregion of Southern Africa has been officially defined as the Bushveld by the World Wide Fund for Nature. Trees are not abundant—frost, fire and grazing animals allow grass to grow but prevent the build-up of dense foliage. Etymology The word ''veld'' () comes from the Afrikaans word for "field". The etymological origin is older modern Dutch ''veldt'', a spelling that the Dutch abandoned in favour of ''veld'' during the 19th century, decades before the first Afrikaans dictionary.Eric Anderson Walker (ed). The Cambridge History of the British Empire, Volume 4. Cambridge University Press 1963 (Afrikaans: pp. 890–894) A cognate to the English ''field'', it was spelt ''velt'' in Middle Dutch and ''fe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apophysis (spider)
This glossary describes the terms used in formal descriptions of spiders; where applicable these terms are used in describing other arachnids. Links within the glossary are shown . Terms A Abdomen or opisthosoma: One of the two main body parts ( tagmata), located towards the posterior end; see also Abdomen § Other animals Accessory claw: Modified at the tip of the in web-building spiders; used with to grip strands of the web Anal tubercle: A small protuberance (tubercule) above the through which the anus opens Apodeme → Apophysis (plural apophyses): An outgrowth or process changing the general shape of a body part, particularly the appendages; often used in describing the male → Atrium (plural atria): An internal chamber at the entrance to the in female haplogyne spiders B Bidentate: Having two Book lungs: Respiratory organs on the ventral side (underside) of the , in front of the , opening through narrow slits; see also Book lungs Branchial operculum → ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Palpal Bulb
The two palpal bulbs – also known as palpal organs and genital bulbs – are the copulatory organs of a male spider. They are borne on the last segment of the pedipalps (the front "limbs" of a spider), giving the spider an appearance often described as like wearing boxing gloves. The palpal bulb does not actually produce sperm, being used only to transfer it to the female. Palpal bulbs are only fully developed in adult male spiders and are not completely visible until after the final moult. In the majority of species of spider, the bulbs have complex shapes and are important in identification. Structure The palpal bulb of a mature male spider is borne on the last segment of the pedipalp. This segment usually has touch-sensitive hairs (setae) with nerves leading to them. The bulb itself is entirely without nerves, and hence without sensory organs and muscles, since these depend on nerves for their functioning, although some spiders have one or two muscles external to the bulb and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Opisthosoma
The opisthosoma is the posterior part of the body in some arthropods, behind the prosoma (cephalothorax). It is a distinctive feature of the subphylum Chelicerata (arachnids, horseshoe crabs and others). Although it is similar in most respects to an abdomen (and is often referred to as such), the opisthosoma is differentiated by its inclusion of the respiratory organs (book lungs or book gills) and the heart. Segments The number of segments and appendages on the opisthosoma vary. Scorpions have 13, but the first is only seen during its embryological development. Other arachnids have fewer; harvestmen, for instance, have only ten. In general, appendages are absent or reduced, although in horseshoe crabs they persist as large plate-like limbs, called opercula or branchiophores, bearing the book gills, and that function in locomotion and gas exchange. In most chelicerates the opisthosomal limbs are greatly reduced and persist only as specialized structures, such as the silk-producing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arthropod Leg
The arthropod leg is a form of jointed appendage of arthropods, usually used for walking. Many of the terms used for arthropod leg segments (called podomeres) are of Latin origin, and may be confused with terms for bones: ''coxa'' (meaning hip, plural ''coxae''), ''trochanter'', ''femur'' (plural ''femora''), ''tibia'' (plural ''tibiae''), ''tarsus'' (plural ''tarsi''), ''ischium'' (plural ''ischia''), ''metatarsus'', ''carpus'', ''dactylus'' (meaning finger), ''patella'' (plural ''patellae''). Homologies of leg segments between groups are difficult to prove and are the source of much argument. Some authors posit up to eleven segments per leg for the most recent common ancestor of extant arthropods but modern arthropods have eight or fewer. It has been argued that the ancestral leg need not have been so complex, and that other events, such as successive loss of function of a ''Hox''-gene, could result in parallel gains of leg segments. In arthropods, each of the leg segments ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Theraphosidae
Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. , 1,040 species have been identified, with 156 genera. The term "tarantula" is usually used to describe members of the family Theraphosidae, although many other members of the same infraorder (Mygalomorphae) are commonly referred to as "tarantulas" or "false tarantulas". Some of the more common species have become popular in the exotic pet trade. Many New World species kept as pets have setae known as urticating hairs that can cause irritation to the skin, and in extreme cases, cause damage to the eyes. Overview Like all arthropods, the tarantula is an invertebrate that relies on an exoskeleton for muscular support.Pomeroy, R. (2014, February 4). Pub. Real Clear Science, "Spiders, and Their Amazing Hydraulic Legs and Genitalia". Retrieved October 13, 2019, from https://www.realclearscience.com/blog/2013/02/spiders-their-amazing-hydraulic-legs-and-genitals.html. Like other Arachnida, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sternum (arthropod Anatomy)
The sternum (pl. "sterna") is the ventral portion of a segment of an arthropod thorax or abdomen. In insects, the sterna are usually single, large sclerites, and external. However, they can sometimes be divided in two or more, in which case the subunits are called sternites, and may also be modified on the terminal abdominal segments so as to form part of the functional genitalia, in which case they are frequently reduced in size and development, and may become internalized and/or membranous. For a detailed explanation of the terminology, see Kinorhynchs have tergal and sternal plates too, though seemingly not homologous with those of arthropods.Sørensen, M. V. et al. Phylogeny of Kinorhyncha based on morphology and two molecular loci. PLoS One 10, 1–33 (2015). Ventrites are externally visible sternites. Usually the first sternite is covered up, so that vertrite numbers do not correspond to sternid numbers. The term is also used in other arthropod groups such as crustaceans ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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