Answer: I think you're dealing with the Margined Blister Beetle. The adult is 1/2" long, soft-bodied, with hard, black wing covers and a gray or white band outlining each wing cover. The adults feed on foliage, fruit and flowers. If you handpick to control, wear gloves because the beetles secrete a caustic fluid that can raise blisters on the skin. You can use sabadilla as an insecticide.
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