BOSTON — After widespread gypsy moth defoliation last year, Massachusetts environmental officials are predicting another season of higher-than-usual caterpillar feeding this year.Officials are encouraging property owners to survey trees to identify egg masses and begin scheduling a treatment process with a certified arborist or licensed pesticide applicator.Egg mass surveys performed by foresters throughout the state indicate the likelihood of a higher-than-normal gypsy moth caterpillar hatch this spring.