A new unusual Uropodina mite (Uroobovella vazquezae sp. nov.) is found in the tropical part of Mexico. The new species is easy to separate from the other known Uroobovella species on the basis of the cavities on dorsal and ventral…

Six gastropod species including two new ones, belonging to the family Architectonicidae, of the genera Architectonica, Granosolarium and Pseudomalaxis, are described for the Late Paleocene Sepultura Formation in Baja California, northwestern Mexico. The new species Architectonica bieleri and Architectonica bajaensis…

The objective of this paper is to present a model to design effective Production Improvement Programs (PIP) in order to contribute in the solution of the problematic situations generally faced by the Mexican manufacturing micro, small and medium-sized enterprises (M-SME).…

Cypringlea (Cyperaceae), a Mexican endemic genus segregated from Scirpus, includes three species. Cypringlea evadens, previously treated as a variety or under synonymy of C. analecta, is raised here to the specific level. It differs in the degree of inflorescence compounding,…

The tree known as Indian lavender (Bursera delpechiana, Burseraceae) is a source of linalool. it was introduced to India from Mexico at the beginning of the 20th century for the exploitation of its essential oil. Its origin from Mexico was…

Based on a systematic study of the Mexican species in the Tillandsia viridiflora complex, the taxonomic and nomenclatural status of these species is clarified. The former synonym T. macropetala is reestablished as a species. An identification key for the complex…

Based on recent systematic studies of the genus Otatea, that included an extensive taxonomic investigation of herbaria specimens, and recent fieldwork in the Mexican state of Querétaro, a new Otatea species, O. ramirezii, is here described and illustrated. The new…

A new taxon of Asteraceae, Bidens cabopulmensis, from the Cape Region of Baja California Sur, is described and illustrated. It occurs on coastal sand dunes. The novelty is not especially close to the other eight known species of Bidens from…

This paper presents an economic classification for the municipalities of Guerrero, Mexico, in terms of successive quotients. An outline of the concepts underlying this branch of Economic Geography is followed by a description of the method used to determine the…

One specimen of the sea cucumber Euapta godeffroyi (Semper, 1868) is reported from La Entrega reef (15°44'34'' N, 96°07'35'' W), Southern Mexican Pacific. The specimen was observed feeding late at night, supporting the nocturnal habits of this species which is…