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Thasus (bug)
''Thasus'' is an insect genus of the Coreidae, or leaf-footed bugs. It is a genus in the New World Nematopodini tribe that feeds on plants. It is chiefly found in Central America, but species also occur in South America, and as far north as the American Southwest. History In 1862, Carl Stål distinguished two types in the then existing genus '' Pachylis'', those where the muscle widening (dilation) of the hind-leg tibia occurs only ventrally (downward), and those where it occurs on both sides (ventrally and dorsally). In 1865, he separated these into two genera, leaving the ventral only type in ''Pachylis'', and moving the three species with the muscle widening on both sides into the newly established genus ''Thasus''. Those three species then became ''Thasus acutangulus'', ''Thasus gigas'' and ''Thasus heteropus''. In 1867 he published a key to the two genera. Van Duzee later picked ''Thasus gigas'' as the type species In zoological nomenclature, a type species (''species ty ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carl Stål
Carl Stål (21 March 1833 – 13 June 1878) was a Swedish entomologist specialising in Hemiptera. He was born at Karlberg Castle, Stockholm on 21 March 1833 and died at Frösundavik near Stockholm on 13 June 1878. He was the son of architect, author and officer Carl Stål then Colonel, Swedish Corps of Engineers. He matriculated at Uppsala University in 1853, studying medicine and passing the medico-philosophical examination in 1857. He then turned to entomology and completed his Ph.D. at the University of Jena in 1859. The same year he became assistant to Carl Henrik Boheman in the Zoological department of the Swedish Museum of Natural History in Stockholm, where, in 1867, he was appointed keeper with the title of professor. He made collecting trips in Sweden and throughout Europe and visited other museums including the collection of Johan Christian Fabricius in Kiel. His study of the Fabrician types resulted in his "Hemiptera Fabriciana". A significant part of Stål's work wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |