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Arthroceras Pollinosum
''Arthroceras'' is a genus of snipe fly of the family Rhagionidae. ''Arthroceras'' are mid-sized to large , black, grey, or yellowish-colored flies that have a fairly long, tapering antenna consisting of 5–8 flagellomeres. Within Rhagonidae, the genus is sometimes(?) placed in the subfamily Arthrocerinae, in which it is the only genus. Species *'' A. fulvicorne'' Nagatomi, 1966 – Neotropic **''A. fulvicorne nigricapite'' Nagatomi, 1966 **''A. fulvicorne subsolanum'' Nagatomi, 1966 *'' A. subaquilum'' Nagatomi, 1966 – Neotropic *'' A. gadi'' ( Paramonov, 1929) – Palearctic *'' A. japonicum'' Nagatomi, 1954 – Palearctic *'' A. leptis'' (Osten Sacken The House von der Osten-Sacken is an old and distinguished noble family of Baltic Germans. The family members held the titles of ''Baron'', ''Graf'', ''Knyaz'' and ''Fürst''. History The origins of the family are traced to 14th century. In 16 ..., 1878) – Neotropic *'' A. pollinosum'' Williston, 1886 – Neotropic *'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Samuel Wendell Williston
Samuel Wendell Williston (July 10, 1852 – August 30, 1918) was an American educator, entomologist, and paleontologist who was the first to propose that birds developed flight cursorially (by running), rather than arboreally (by leaping from tree to tree). He was a specialist on the flies, Diptera. He is remembered for Williston's law, which states that parts in an organism, such as arthropod limbs, become reduced in number and specialized in function through evolutionary history. Early life Williston was born in Boston, Massachusetts to Samuel Williston and Jane A. Williston née Turner. As a young child, Williston's family travelled to Kansas Territory in 1857 under the auspices of the New England Emigrant Aid Company to help fight the extension of slavery. He was raised in Manhattan, Kansas, attended public high school there, and graduated from Kansas State Agricultural College (now Kansas State University) in 1872, afterwards receiving a Master of Arts from that instituti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
