1In 10-inch skillet, cook beef over medium-high heat 5 to 7 minutes, stirring occasionally, until thoroughly cooked; drain. Stir in taco seasoning mix. Spoon into heatproof glass serving bowl.
2Spread salsa over beef mixture. Spread black beans over salsa, reserving 1 bean for topping. Sprinkle with cheese. Spoon 2 tablespoons of the sour cream into small resealable food-storage plastic bag; seal bag and set aside. Spoon remaining sour cream over cheese. Spoon guacamole over sour cream.
3Cut off tiny corner of bag; twist above sour cream and, working from center to outer edge, pipe sour cream to form spiral design. Working from center of spiral to outer edge, draw tip of knife lightly through spiral to form web, about 12 times. Place reserved black bean in web for spider. Serve with chips.