Keywords: Box elder bugs on deer grass.JPG en Swarm of box elder bugs Boisea trivittata sunning on Deer Grass in Chico California Mild winter has likely caused them to come out early Not to be confused with the Valley elderberry longhorn beetle or Melacoryphus lateralis which look similar own AerobicFox 2012-03-16 39 44 11 2 N 121 49 36 5 W Boisea trivittata Cc-zero sunning animals |