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Hemirrhagus is a genus of Mexican tarantulas that was first described by Eugène Louis Simon in 1903. [3] It is considered a senior synonym of Spelopelma. [2] Species of the genus Hemirrhagus are 5 to 12 cm long, usually black in colour, the urticating hairs on the opisthosoma are arranged in one dorsomedian patch, two dorsal paramedian patches, or two lateral patches.
Tarantulas comprise a group of large and often hairy spiders of the family Theraphosidae. [2] As of December 2023, 1,100 species have been identified, with 166 genera. [3] 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".
In many cases the water is supplied by the sea, such as in the Surtsey eruption. In other cases the water may be present in a lake or caldera-lake, as at Santorini, where the phreatomagmatic component of the Minoan eruption was a result of both a lake and later the sea. There have also been examples of interaction between magma and water in an ...
In 1992, Coffin and Eldholm initially defined the term "large igneous province" as representing a variety of mafic igneous provinces with areal extent greater than 100,000 km 2 that represented "massive crustal emplacements of predominantly mafic (magnesium- and iron-rich) extrusive and intrusive rock, and originated via processes other than 'normal' seafloor spreading."
Bistriopelma has two distinctive patches of Type III urticating setae, which are located dorsolaterally on the abdomen, each with a long stripe of thicker setae, which runs diagonally to the longitudinal body axis.
But the U.S. drug treatment system — which is mostly a hodgepodge of abstinence-only and 12-step-based facilities that resemble either minimum-security prisons or tropical spas — has for the most part ignored the medical science and been slow to embrace medication-assisted treatment, as The Huffington Post reported in January. As a result ...
Hapalotremus is a genus of South American tarantulas in the Theraphosinae subfamily that was first described by Eugène Louis Simon in 1903. [2] They have red or white Type III urticating (relatively long, thin) hairs, [3] up to 1.2 millimetres (0.047 in), with a fine point and barbs along at least half of the lower part.