Predominant crops (corn, bean and alfalfa) in the Puebla-Tlaxcala Valley are routinely attacked by the grasshopper Sphenarium purpurascens (Orthoptera: Pyrgomophidae). The traditional method for managing this pest in Mexico ...

We studied the community of arthropods inhabiting the ecological preserve El Pedregal de San Angel, in Mexico City. We estimated morphospecies richness, abundance, and diversity patterns in two contrasting habitats, open ...

Seasonal and environmentally induced variation in the type and frequency of leaf trichomes of Wigandia urens (Ruiz & Pavon) Kunth (Hydrophyllaceae) was studied. Depending on the microsite, W. urens plants had smooth leaves ...