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Hydrobiologia

, Volume 656, Issue 1, pp 149–158 | Cite as

Natural enemies from South Africa for biological control of Lagarosiphon major (Ridl.) Moss ex Wager (Hydrocharitaceae) in Europe

  • J.-R. Baars
  • J. A. Coetzee
  • G. Martin
  • M. P. Hill
  • J. M. Caffrey
AQUATIC WEEDS

Abstract

The non-native invasive plant, Lagarosiphon major (Hydrocharitaceae) is a submersed aquatic macrophyte that poses a significant threat to water bodies in Europe. Dense infestations prove difficult to manage using traditional methods. In order to initiate a biocontrol programme, a survey for natural enemies of Lagarosiphon was conducted in South Africa. Several phytophagous species were recorded for the first time, with at least three showing notable promise as candidate agents. Amongst these, a leaf-mining fly, Hydrellia sp. (Ephydridae) that occurred over a wide distribution causes significant leaf damage despite high levels of parasitism by braconid wasps. Another yet unidentified fly was recorded mining the stem of L. major. Two leaf-feeding and shoot boring weevils, cf. Bagous sp. (Curculionidae) were recorded damaging the shoot tips and stunting the growth of the stem. Several leaf-feeding lepidopteran species (Nymphulinae) were frequently recorded, but are expected to feed on a wide range of plant species and are not considered for importation before other candidates are assessed. The discovery of several natural enemies in the country of origin improves the biological control prospects of L. major in Europe.

Keywords

Hydrellia Bagous Leaf-mining fly Phytophagous organisms Classical biological control Native survey Ireland 

Notes

Acknowledgments

This project could not have been possible without the contribution from a number of people. The Central Fisheries Board is acknowledged for funding the survey. Thanks are due to colleagues in South Africa that provided valuable support, both practical and in the taxonomic identification of specimens. We gratefully acknowledge all the efforts from Dr. Stefan Neser for rearing insects, lodging specimens and making contact with specialists. Several specialist taxonomists are acknowledged for providing very efficient identification: Dr. Mervyn Mansel, Vivienne Uys, Dr. Gerhard Prinsloo, Riaan Stals (Biosystematics Division, ARC-PPRI, South Africa), and Dr. Rolf Oberprieler (CSIRO Entomology, Australia). We are grateful to Ms. Lesley Henderson (Weeds Division, ARC-PPRI), and staff of the South African National Biodiversity Institute for plant identifications, access to the Herbarium and providing locality records. Advice from colleagues in other overseas institutes is also acknowledged, including the one from Dr. Joe Balciunas (USDA-ARS, Exotic and Invasive Weed Lab).

References

  1. Anonymous, 2009. List of species alien in Europe and to Europe. In Drake, J. A. (ed.), DAISIE, Handbook of Alien Species in Europe. Springer, Dordrecht: 133–264.Google Scholar
  2. Baars, J.-R. & J. M. Caffrey, 2010. The control of Azolla filiculoides by Stenopelmus rufinasus (Coleopetera: Erirhinidae) a non-native natural enemy in Ireland. Irish Naturalist Journal 30(2): 142–143.Google Scholar
  3. Balciunas, J. K. & D. W. Burrows, 1996. Distribution, abundance and field host-range of Hydrellia balciunasi Bock (Diptera: Ephydridae) a biological control agent for the aquatic weed Hydrilla verticillata (L.f.) Royle. Australian Journal of Entomology 35: 125–130.CrossRefGoogle Scholar
  4. Balciunas, J. K. & T. D. Center, 1981. Preliminary host specificity tests of a Panamanian Parapoynx as a potential biological control agent for hydrilla. Environmental Entomology 10(4): 462–467.Google Scholar
  5. Balciunas, J. K., M. J. Grodowitz, A. F. Cofrancesco & J. F. Shearer, 2002. Hydrilla. In Van Driesche, R., et al. (eds), Biological Control of Invasive Plants in the Eastern United States. USDA Forest Service Publication FHTET-2002-04: 413 pp.Google Scholar
  6. Bennett, C. A. & G. R. Buckingham, 2000. The herbivorous insect fauna of a submersed weed, Hydrilla verticillata (Alismatales: Hydrocharitaceae). In Spencer, N. R. (ed.), Proceedings of the X International Symposium on Biological Control of Weeds, 4–14 July 1999, Montana State University, Bozeman, Montana, USA: 307–313.Google Scholar
  7. Bigler, F., J. S. Bale, M. J. W. Cock, H. Dreyer, R. Greatrex, U. Kuhlmann, A. J. M. Loomans & J. C. van Lenteren, 2005. Guidelines on information requirements for importation and release of invertebrate biological control agents in European countries. Biocontrol News and Information 26(4): 115–123.Google Scholar
  8. Buckingham, G. R., 1988. Reunion in Florida – hydrilla, a weevil, and a fly. Aquatics 10: 19–25.Google Scholar
  9. Buckingham, G. R., E. A. Okrah & M. C. Thomas, 1989. Laboratory host range tests with Hydrellia pakistanae (Diptera: Ephydridae), an agent for biological control of Hydrilla verticillata (Hydrocharitaceae). Environmental Entomology 18: 164–171.Google Scholar
  10. Buckingham, G. R., E. A. Okrah & M. Christian-Meier, 1991. Laboratory biology and host range of Hydrellia balciunasi (Diptera: Ephydridae). Entomophaga 36: 575–586.CrossRefGoogle Scholar
  11. Cabrera Walsh, G., Mattioli, F. & L. W. J. Anderson, 2007. Impact of the natural enemies on the potential damage of Hydrellia sp. (Diptera: Ephydridae) on Egeria densa. In Julien, M. H., Sforza, R., Bon, M. C., Evans, H. C., Hatcher, P. E., Hinz, H. L. & B. G. Rector (eds), Proceedings of the XII International Symposium on Biological Control of Weeds, CAB International Wallingford, UK: 353 pp.Google Scholar
  12. Caffrey, J. M., S. M. Evers & H. Moran, 2008. Research and Control Programme for Lagarosiphon major in Lough Corrib. Central Fisheries Board Internal Report: 159 pp.Google Scholar
  13. Commission of European Community (CEC), 2000. Directive 2000/60/EC of the European Parliament and of the Council of 23 October 2000 establishing a framework for the community action in the field of water policy. Official Journal of the European Union L237, 1–72, 22 December 2000.Google Scholar
  14. Center, T. D., F. A. Dray, G. P. Jubinsky & M. J. Grodowitz, 1999. Biological control of water hyacinth under conditions of maintenance control: can herbicides and insects be integrated? Environmental Management 23: 241–256.CrossRefPubMedGoogle Scholar
  15. Charudattan, R., 2001. Are we on top of aquatic weeds? Weed problems, control options, and challenges. In Riches C. R. (ed.), 2001 BCPC Symposium Proceedings No. 77: The World’s Worst Weeds. The British Crop Protection Council, Farnham, Surrey, UK: 43–68.Google Scholar
  16. Cilliers, C. J., 1999. Biological control of parrot’s feather, Myriophyllum aquaticum (Vell.) Verdc. (Haloragaceae), in South Africa. In Olckers, T. & M. P. Hill (eds), Biological Control of Weeds in South Africa (1990–1998), Vol. 1. African Entomology Memoir: 113–118.Google Scholar
  17. Cook, C. D. K., 2004. Aquatic and Wetland Plants of Southern Africa. Institut für Systematische Botanik der Universität Zürich. Backhuys Publishers, The Netherlands.Google Scholar
  18. Cruttwell McFadyen, R. E., 1998. Biological control of weeds. Annual Review of Entomology 43: 369–393.CrossRefGoogle Scholar
  19. Deonier, D. L., 1971. A systematic and ecological study of Nearctic Hydrellia (Diptera: Ephydridae). Smithsonian Contributions to Zoology 68: 1–147.Google Scholar
  20. Doyle, R. D., M. J. Grodowitz, R. M. Smart & C. Owens, 2002. Impact of herbivory by Hydrillia pakistanae (Diptera: Ephydridae) on growth and photosynthetic potential of Hydrilla verticillata. Biological Control 24: 221–229.CrossRefGoogle Scholar
  21. Doyle, R., M. J. Grodowitz, M. Smart & C. Owens, 2007. Separate and interactive effects of competition and herbivory on the growth, expansion, and tuber formation of Hydrilla verticillata. Biological Control 41: 327–338.CrossRefGoogle Scholar
  22. Gavin, L., F. E. Lucy & J. M. Caffrey, 2007. The quantitative abundance of Lagarosiphon major in Lough Corrib, Ireland. In bij de Vaate, A. (ed.), 15th International Conference on Aquatic Invasive Species, September 23–27, 2007, Nijmegen: 145.Google Scholar
  23. Grodowitz, M. J., T. D. Center, A. F. Cofrancesco & J. E. Freedman, 1997. Release and establishment of Hydrellia balciunasi (Diptera: Ephydridae) for the biological control of the submersed aquatic plant Hydrilla verticillata (Hydrocharitaceae) in the United States. Biological Control 9: 15–23.CrossRefGoogle Scholar
  24. Hill, M. P., 2003. The impact and control of alien aquatic vegetation in South African aquatic ecosystems. African Journal of Aquatic Sciences 28: 19–24.Google Scholar
  25. Johnson, R. L. & B. Blossey, 2002. Eurasian watermilfoil. In Van Driesche, R., et al. (eds), Biological Control of Invasive Plants in the Eastern United States, USDA Forest Service Publication FHTET-2002-04: 413 pp.Google Scholar
  26. Julien, M. H. & M. W. Griffiths, 1998. Biological Control of Weeds: A World Catalogue of Agents and Their Target Weeds, 4th ed. CABI Publishing, Wallingford, UK.Google Scholar
  27. Langeland, K. A., 1996. Hydrilla verticillata (L.F.) Royle (Hydrocharitaceae), “The perfect aquatic weed”. Castanea 61: 293–304.Google Scholar
  28. McConnachie, A. J., M. P. Hill & M. J. Byrne, 2004. Field assessment of a frond-feeding weevil, a successful biological control agent of red waterfern, Azolla filiculoides, in southern Africa. Biological Control 29: 326–331.CrossRefGoogle Scholar
  29. McGregor, P. G., & H. Gourlay, 2002. Assessing the prospects for biological control of lagarosiphon (Lagarosiphon major (Hydrocharitaceae)). DOC Science Internal Series 57. Department of Conservation, Wellington: 14 pp.Google Scholar
  30. Obermeyer, A. A., 1964. The South African species of Lagarosiphon. Bothalia 8: 139–146.Google Scholar
  31. Obermeyer, A. A., 1966. Hydrocharitaceae. In Codd, L. E., B. De Winter & H. B. Rycroft (eds), Flora of Southern Africa, Vol. 1. Cape and Transvaal Printers, Pretoria: 100–112.Google Scholar
  32. Preston, C. D., D. A. Pearman & T. D. Dines, 2002. New Atlas of the British and Irish Flora. Oxford University Press, Oxford.Google Scholar
  33. Reynolds, S. C. P., 2002. A Catalogue of Alien Plants in Ireland. National Botanical Gardens, Glasnevin.Google Scholar
  34. Schooler, S., M. Julien & G. Cabrera Walsh, 2006. Predicting the response of Cabomba caroliniana populations to biological control agent damage. Australian Journal of Entomology 45: 327–330.CrossRefGoogle Scholar
  35. Schutz, L. J. C., 2007. Insect communities associated with three submerged aquatic macrophytes, with emphasis on the phytophagous species. MSc. Thesis submitted to University of the Witwatersrand.Google Scholar
  36. Shaw, R. H., 2007. Weed biological control regulation in Europe: boring but important. In Julien, M. H., R. Sforza, M. C. Bon, H. C. Evans, P. E. Hatcher, H. L. Hinz & B. G. Rector (eds), Proceedings of the XII International Symposium on Biological Control of Weeds. CAB International, Wallingford, UK: 484 pp.Google Scholar
  37. Sheppard, A. W., R. H. Shaw & R. Sforza, 2005. Top 20 environmental weeds for classical biological control in Europe: a review of opportunities, regulations and other barriers to adoption. Weeds Research 46: 93–117.CrossRefGoogle Scholar
  38. Stokes, K., K. O’Neill & R. McDonald, 2004. Invasive species in Ireland. Report prepared for QUERCUS Biodiversity and Conservation Biology.Google Scholar
  39. Symoens, J. J. & L. Triest, 1983. Monograph of the African genus Lagarosiphon Harvey (Hydrocharitaceae). Bulletin du Jardin Botanique National de Belgique 53: 441–488.CrossRefGoogle Scholar
  40. Van Valkenburg, J. L. C. H. & R. Pot, 2007. Lagarosiphon major (Ridl.) Moss (Verspreidbladige waterpest) nu ook gevestigd in de Groene Ruimte in Nederland. Gorteria 33: 89–92.Google Scholar
  41. Wager, V. A., 1928. The structure and life-history of the South African Lagarosiphons (with notes and descriptions of a few uncommon water plants). Transactions of the Royal Society of South Africa 16: 191–204.CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • J.-R. Baars
    • 1
  • J. A. Coetzee
    • 2
  • G. Martin
    • 2
  • M. P. Hill
    • 2
  • J. M. Caffrey
    • 3
  1. 1.BioControl Research Unit, School of Biology and Environmental ScienceUniversity College DublinDublin 4Ireland
  2. 2.Department of Zoology and EntomologyRhodes UniversityGrahamstownSouth Africa
  3. 3.Inland Fisheries IrelandCo. DublinIreland

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