Heat oven to 350°F. Combine mayonnaise, green onions, cheese, pimientos and red pepper in medium bowl. Set aside.
Cut each pita bread into 6 wedges; place onto ungreased baking sheets. Bake for 6 to 7 minutes or until lightly browned.
Spread wedges with cheese mixture. Continue baking for 6 to 8 minutes or until edges are lightly browned.