four-lined leaf bug four·li·ned·leafbug uncommon noun 1. yellow or orange leaf bug with four black stripes down the back; widespread in central and eastern North America Synonymsfour-lined plant bugfour-lined leaf bugPoecilocapsus lineatus Related words Broader terms mirid bug Parts Poecilocapsus WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
