Capsidae, family Capsidae, family Miridae, Miridae - leaf bugs

leaf bug, plant bug - small bright-colored insect that feeds on plant juices

four-lined leaf bug, four-lined plant bug, Poecilocapsus lineatus - yellow or orange leaf bug with four black stripes down the back; widespread in central and eastern North America

lygus bug - vector of viral plant diseases

virion - (virology) a complete viral particle; nucleic acid and capsid (and a lipid envelope in some viruses)

protein - any of a large group of nitrogenous organic compounds that are essential constituents of living cells; consist of polymers of amino acids; essential in the diet of animals for growth and for repair of tissues; can be obtained from meat and eggs and milk and legumes; "a diet high in protein"