Fenología reproductiva e insectos polinizadores de Thelocactus bicolor (Galeotti ex Pfeiff.) Britton & Rose, en tres localidades de Nuevo León y San Luis Potosí, México

The reproductive phenology of Thelocactusbicolor (Galeotti ex Pfeiff.) Britton & Rose, in addition to monitoring the insects thatinteracted with flowers this plant, located Botanical Garden Efraím Hernández Xolocotzi Linares, NuevoLeón, and two nurseries for rescued plants Guadalcázar, San Luis Potosí, was registered. study carried out in2020, selecting marking ten individuals 1 m², evaluate presence their phenological stages (immature flower,intermediate flower, mature immature fruit, ripe fruit dispersion) through fortnightly sampling a year,registering activity time which arthropods interacted cactus. cacti began flowering themonths January February at three sites. flower stage only appeared Guadalcázar localitiestherefore, no were captured site Nuevo León. Jacard similarity index showed 50% similaritybetween registered sites