Hawaiian Ecosystems at Risk project (HEAR) Schreckensteinia festaliella as a biocontrol agent
for Rubus argutus in Hawaii

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Information and references regarding Schreckensteinia festaliella as a biocontrol agent for Rubus argutus in Hawaii are provided here. For further information, contact webmaster@hear.org.

Status of Schreckensteinia festaliella as a biocontrol agent for Rubus argutus in Hawaii

Schreckensteinia festaliella (Lepidoptera, Heliodinidae) was collected and introduced to Kauai from California in 1963 to control invasive blackberry (Rubus argutus). Effects of this blackberry "skeletonizer" were noted in Kokee, Kauai at 4000 ft. elevation by 1964. It was released on Hawaii Island at Kahuku Ranch in Kau in 1966. The agent has been effective even though its eggs and larvae are frequently parasitized. The native Hawaiian raspberry, akala (Rubus hawaiensis), is an inadvertent, non-target host plant of Schreckensteinia festaliella. (For this reason--based on feedback from the Hawaii Department of Agriculture on similar issues--HEAR staff surmises that this agent would NOT have been approved under today's biocontrol release standards.) (info from http://www.hear.org/pcsu/techreports/pdfs/pcsutechreport00129pemberton.pdf accessed 20091104; http://www.hear.org/bibliography/references/9451_smith_2002/ accessed 20091104; http://scholarspace.manoa.hawaii.edu/bitstream/10125/10937/1/19_375-380.pdf accessed 20091104; http://www.umwestern.edu/shares/envirosci_share/laurie/lepidoptera/schreck.htm accessed 20091104; info as of 2002)

References for Schreckensteinia festaliella as a biocontrol agent for Rubus argutus in Hawaii

Recent introductions for biological control in Hawaii XII
This paper includes a list of new introductions and additional releases of beneficial organisms for biological control in Hawaii made since the last published listing (Davis and Krauss, 1966) and gives a few notes on the status of organisms recently introduced for the control of snail, weed and insect pests. (http://scholarspace.manoa.hawaii.edu/bitstream/10125/10937/1/19_375-380.pdf)

Forest pest biological control program in Hawaii
Smith, Clifford W. 2002. Forest pest biological control program in Hawaii. pp. 91-98 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/9451_smith_2002/)

Predictable risk to native plants in biological control of weeds in Hawaii
This analysis examines the use of non-target native plants in Hawaii resulting from biological control projects on target weeds with close relatives compared with projects on target weeds that lack close relatives. Target weeds with close relatives are riskier targets for biological control than are weeds without close relatives in Hawaii. The two projects conducted against weeds with close relatives resulted in non-target use of native species; four of the five insect species established in these projects now use native plant species as hosts. (from the abstract) (http://www.hear.org/pcsu/techreports/pdfs/pcsutechreport00129pemberton.pdf)

Schreckensteinia festaliella (Lepidoptera: Heliodinidae)
Observations of Schreckensteinia festaliella (Lepidoptera: Heliodinidae) from Kauai (Hawaii, USA) are presented. (http://www.umwestern.edu/shares/envirosci_share/laurie/lepidoptera/schreck.htm)

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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