Combine cheese, lime rind, onion powder & Worcestershire sauce in a small mixing bowl; beat at medium speed of an electric mixture until smooth. Set aside. Cut jicama into 1/4 in. Thick slices; cut slices into 18 (2 inch) squares. Cut each square in half diagonally to make 36 triangles. Discard remaining jicama. Rub the longest side of each triangle with a lime wedge. Dip side of triangle in pepper. Repeat procedure with remaining triangles. Pipe or spoon about 1 ts cheese mixture onto each triangle. Top with a salmon strip.