Similar to Aellopos tantalus tantalus and Aellopos tantalus zonata but generally larger. Forebasitarsus longer than tarsomeres 2 to 5 combined. Tarsomeres 3 to 5 strongly compressed and enlarged vertically, so appearing clubbed in lateral view, and inner surface dark brown or black. Abdomen with sharply marked broad white belt dorsally on segment 4. Forewing upperside sometimes with a minute dot distal to the double dot between M1 and M2.
Male genitalia: Ventral sclerotization of gnathos general. Subscaphium present. Phallus with a patch of spines reduced in length; three or four apical setae on right side of phallus; whip longer than in Aellopos tantalus tantalus, with five or six setae distally.
Records from Texas are strays; records from Cuba remain to be confirmed.