The adults have sucking mouthparts and are not harmful to humans ... It is this act of egg-laying and feeding of newly emerged cicada nymphs that weakens the stem of plants, causing branches ...
A cicada “brood” refers to a group of cicadas ... The insects have “tiny, straw-like mouthparts that they use to tap into the sap” in these woody plants, Hannah Burrack, Ph.D., professor ...