Hawaiian Ecosystems at Risk project (HEAR) Haplostegus epimelas as a biocontrol agent
for Psidium cattleianum in Hawaii


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Information and references regarding Haplostegus epimelas as a biocontrol agent for Psidium cattleianum in Hawaii are provided here. For further information, contact webmaster@hear.org.


Status of Haplostegus epimelas as a biocontrol agent for Psidium cattleianum in Hawaii

Haplostegus epimelas (Hymenoptera, Pergidae) is a sawfly from Brazil that was considered as a biocontrol for strawberry guava (Psidium cattleianum). The sawfly lays its eggs on the strawberry guava's leaves. Fungal infection that occurs as a consequence of oviposition and the presence of young nymphs kill young shoots. Later instars of the fly consume leaves, causing defoliation. The sawfly is no longer considered as a biocontrol agent because it also attacks cultivated guava (Psidium guajava), although those attacks are rare. (info from http://www.hear.org/bibliography/references/9453_smith_2002/; info as of 2002)

References for Haplostegus epimelas as a biocontrol agent for Psidium cattleianum in Hawaii

Strawberry guava (Psidium cattleianum): prospects for biological control
Smith, Clifford W. and Charles Wikler. 2002. Strawberry guava (Psidium cattleianum): prospects for biological control. pp. 108-116 in Smith, Clifford W., Julie Denslow, and Stephen Hight (eds). 2002. Proceedings of workshop on biological control of native ecosystems in Hawaii. Pacific Cooperative Studies Unit (University of Hawaii at Manoa, Department of Botany) Technical Report 129. 122 pages. from http://www.botany.hawaii.edu/faculty/duffy/techr/129.pdf accessed 16 March 2008. (http://www.hear.org/bibliography/references/9453_smith_2002/)


The Hawaiian Ecosystems at Risk (HEAR) project is currently funded by the Pacific Basin Information Node (PBIN) of the National Biological Information Infrastructure (NBII) through PIERC (USGS) with support from HCSU (UH Hilo). More details are available online. Pacific Basin Information Node (PBIN)National Biological Information Infrastructure (NBII)

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