Checkered white, Pontia protodice
, Family Pieridae. Ranges throughout the southern United States and Mexico, according to bugguide.net/node/view/3557
. The University of Florida
states that this species "also colonizes northern states and occasionally parts of southern Canada. It is most common in disturbed areas where its favored host plants occur." The UF site also shows the difference in wing markings between males and females. This individual is a male.