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ARS Home Pacific West Area Hilo, Hawaii Daniel K. Inouye U.S. Pacific Basin Agricultural Research Center Tropical Crop and Commodity Protection Research Research Publications at this Location





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Title:   Author  item
                                            Follett, Peteritem
                                            NEUMANN, GABOR - University Of Hawaiiitem
                                            Hollingsworth, Robertitem
                                            SWEDMAN, ALLISON - University Of Hawaiiitem
                                            SIBUCAO, ROSS - Hawaii Papaya Industry Association
  Submitted to: Hawaiian Entomological Society Proceedings
                                    Publication Type: Peer Reviewed Journal
                                    Publication Acceptance Date: 6/1/2015
                                    Publication  Date: 2/1/2016
                                    Citation: Follett, P.A., Neumann, G., Hollingsworth, R.G., Swedman, A., Sibucao, R. 2016. Release and establishment of Encarsia diaspidicola (Hymenoptera: Aphelididae) against white peach scale in papaya. Hawaiian Entomological Society Proceedings. 47:51-54.Interpretive Summary: White peach scale is a serious economic and quarantine pest of papaya. Biological control is often effective against scale insect pests. The parasitic wasp Encarsia diaspidicola was brought from Samoa into a quarantine containment facility in 2006, and after host range testing, was approved by USDA APHIS and the Hawaii Department of Agriculture for release. Releases of E.diaspidicola were made beginning in February 2013 in a papaya field on the Big Island. Yellow sticky trap monitoring during 1 1/2 years suggests that the wasp has established in the area of release and spread to neighboring papaya fields. Infested papaya logs are being used to spread the wasp to new areas.
                                Technical Abstract: White peach scale, Pseudaulacaspis pentagona (Hemiptera:Diaspididae) is a serious economic pest of papaya, Carica papaya L. The parasitic wasp Encarsia diaspidicola (Hymenoptera: Aphelinidae) was brought from Samoa into a quarantine containment facility in Hawaii for evaluation and potential release against white peach scale. E.diaspidicola was considered an ideal biological control candidate for release in Hawaii because it is reportedly highly host specific. Host range testing in quarantine with several exotic diaspidids and related taxa, including a native palm scale, indicated that E.dispidicola is unlikely to attack non-target species or cause harm to the environment if released for control of white peach scale in Hawaii. The Hawaii Department of Agriculture and USDA APHIS issued permits for its release. Releases of E.diaspidicola were made beginning in February 2013 in a papaya field in Kapoho on the Big Island. Yellow sticky trap monitoring suggests that the wasp has established in the area of release and spread to neighboring papaya fields. Infested papaya logs are being used to spread the wasp to new areas.


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