Biological control of the citrus blackfly ( Aleurocanthus woglumi Ashby) by Prospaltella opulenta Silv. in central-western Venezuela with a review of the pest's invasion of the western

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