peacock's tail
... that an extract of peacock's tail is effective against the red cotton stainer?
... that an extract of <b id="mwBD0"><a href="./Padina_pavonica" id="mwBD4" rel="mw:WikiLink" title="Padina pavonica">peacock's tail</a></b> is effective against the <a href="./Dysdercus_cingulatus" id="mwBD8" rel="mw:WikiLink" title="Dysdercus cingulatus">red cotton stainer</a>?