The establishment of Metaphycus helvolus (Compere) (Hym. Encyrtidae) on Saissetia oleae (Bern) (Hom. Coccidae) in olive groves in Greece.

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith