Metaphycus helvolus
... that the tiny parasitic wasp Metaphycus helvolus has helped control a major pest of citrus, Mediterranean black scale, in California and Australia?
... that the tiny parasitic wasp <i id="mwBY0"><b id="mwBY4"><a href="./Metaphycus_helvolus" id="mwBY8" rel="mw:WikiLink" title="Metaphycus helvolus">Metaphycus helvolus</a></b></i> has helped control a major pest of citrus, <a href="./Saissetia_oleae" id="mwBZA" rel="mw:WikiLink" title="Saissetia oleae">Mediterranean black scale</a>, in California and Australia?