Arturo Locht


A new genus of Theraphosid spider from Mexico, with a particular palpal bulb structure (Araneae, Theraphosidae, Theraphosinae)

Jorge Ivan Mendoza Marroquín, Arturo Locht, Radan Kaderka, Francisco Medina, Fernando Pérez-Miles ,2016

Magnacarina gen. nov. from Mexico is described. Hapalopus aldanus West, 2000 from Nayarit, is transferred to the new genus with an emended diagnosis creating the new combination Magnacarina aldana comb. nov. Three new species are described: Magnacarina moderata Locht, Mendoza & Medina sp. nov. from Nayarit and Sinaloa; Magnacarina primaverensis Mendoza & Locht sp. nov. and Magnacarina cancer Mendoza & Locht sp. nov., both from Jalisco. Magnacarina gen. nov. is characterized by an unusual bifid palpal bulb, and has a primary projection located in the central area of the palpal bulb and directed retrolaterally; this projection possesses the prolateral superior and retrolateral keels. Next to the primary projection is a secondary projection, which may be short or long, ending in the prolateral inferior and apical keel surrounding the sperm pore. This secondary projection may have prolateral accessory keels and is diagnosed by possessing a nodule of inwardly curled megaspines, located in the basal ventro-retrolateral region of metatarsi I in adult males. Additionally, male tibiae I possess three apophyses. Females of Magnacarina gen. nov. have a single reduced and strongly sclerotized spermatheca, with an apical lobe projecting ventrally, and with a uterus externus that is longer and wider than the spermatheca.

Descripción de Bonnetina aviae sp. n. de México (Araneae: Theraphosidae: Theraphosinae)

Julio C. Estrada-Alvarez, Arturo Locht ,2011

A new species of the genus Bonnetina Vol, 2000, based on differences bulb palpate male is described spermathecae female, number of teeth and the ratio quelíceros the legs in the male. Further proposed taxonomic guide for the four known species of far.

Una nueva especie de tarántula del género Bonnetina Vol, 2000 (Araneae, Theraphosidae, Theraphosinae), de México

Arturo Locht, Francisco Medina ,2008

A new Theraphosinae of the genus Bonnetina is described from Tepoztlan, Morelos, Mexico

Una nueva especie de tarántula del g¹nero Aphonopelma Pocock 1901 (Araneae, Theraphosidae, Theraphosinae) de M¹xico con notas sobre el g¹nero Brachypelma Simon 1891

Arturo Locht, Francisco Medina, Roberto Rojo, Ignacio Vázquez ,2005

A new species of Aphonopelma Valley of Mexico is described. It is morphologically related to Aphopelma crinitum from the shape of the bulb of the male and female spermathecae. Two changes are also proposed Brachypelma gender as a result of the review of several specimens Aphonopelma albiceps (Pocock 1903) is Brachypelma Simon relocated in 1891 and stands as Brachypelma ruhnaui junior synonym of Brachypelma albiceps Pocock 1903.

Species described or mentioned