P la co ch ilus ▁sel ad onic us ▁can ▁reach ▁a ▁length ▁of ▁about ▁. ▁These ▁small ▁mir ids ▁show ▁a ▁d ull , ▁wh it ish ▁blue ▁or ▁gray ▁green ▁body ▁and ▁ ▁big ▁eyes . ▁ ▁Bi ology P la co ch ilus ▁sel ad onic us ▁is ▁a ▁un iv olt ine ▁species . ▁Ad ult s ▁can ▁be ▁found ▁from ▁mid ▁June ▁to ▁mid ▁August . ▁E gg s ▁over w inter . ▁N ym ph s ▁and ▁adult s ▁feed ▁on ▁leaves ▁and ▁st ems ▁of ▁various ▁plants , ▁especially ▁on ▁flower ▁heads ▁or ▁flower ▁bud s ▁of ▁field ▁sc ab ious ▁( K na ut ia ▁ar v ensis ) ▁that ▁match ▁the ▁color ▁of ▁adult ▁insect s . ▁ ▁Bibli ography ▁NA U , ▁B . S . ▁ 1 9 9 4 . ▁Notes ▁on ▁Pla co ch ilus ▁sel ad onic us ▁( F all .) ▁( H em ., ▁Mir idae ) ▁in ▁Britain . ▁Ent om ologist ' s ▁Month ly ▁Magazine , ▁ 1 3 0 : ▁ 2 0 9 - 2 1 0 ▁NA U , ▁B . S . ▁ 1 9 7 8 . ▁Two ▁plant ▁bugs ▁new ▁to ▁Britain , ▁Pla co ch ilus ▁sel ad onic us ▁( F all ) ▁and ▁Camp yl om ma ▁ann ul ic orn is '' ▁( S ig .) ▁( H eter optera , ▁Mir idae ). ▁Ent om ologist ' s ▁Month ly ▁Magazine , ▁