A compared evaluation of Encarsia formosa Gahan and Encarsia pergandiella Howard (Hymenoptera: Aphelinidae) as biological control agents of Trialeurodes vaporariorum (Westwood)

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