De Clerck-Floate, Rosemarie, Ph.D.

Research Scientist


Contact Information:

5403 - 1 Avenue South
PO Box 3000
Lethbridge, Alberta T1J 4B1
Telephone: 403-317-2270
Fax: 403-382-3156
Email: Rosemarie.Declerck-Floate@agr.gc.ca

Areas of Expertise:

  • biocontrol of invasive alien plants
  • weed biology and ecology
  • insect-plant interactions
  • insect ecology
  • interactions between weed biocontrol agents and non-target plant species
  • rangeland management
  • mass-propagation of insect biocontrol agents
  • insect rearing
  • integrated pest management
  • weed biological control
  • design and operation of insect containment facilities

Current Projects:

  • Discover, develop and implement arthropod agents for biological control of weeds.
  • The use of fertilization to improve the delivery, reliability, and study of weed biological control.
  • Interactions of biocontrol insect, target weed and non-target, native plant populations on rangelands.

Affiliations:

  • Adjunct Professor, University of Lethbridge, Department of Biological Sciences
  • Adjunct Professor, University of British Columbia, Okanagan, Irving K. Barber School of Arts and Science
  • Associate Editor, Weed Biocontrol Section, Environmental Entomology
  • Vice President, Entomological Society of Alberta

Research Publications:

The links below lead to abstracts with access to full text.

2014

2013

  • Corrigan, J., Gillespie, D.R., De Clerck-Floate, R.A., and Mason, P.G. (2013). "Lythrum salicaria L., Purple Loosestrife (Lythraceae).", in Mason, P.G. and Gillespie, D.R. (eds.) - Biological Control Programmes in Canada 2001-2012, CABI Publishing, Chapter 54, pp. 363-366.
  • Corrigan, J., Gillespie, D.R., De Clerck-Floate, R.A., and Mason, P.G. (2013). "Lythrum salicaria L., Purple Loosestrife (Lythraceae).", in Mason, P.G. and Gillespie, D.R. (eds.) - Biological Control Programmes in Canada 2001-2012, CABI Publishing, Chapter 54, pp. 363-366.
  • De Clerck-Floate, R.A. (2013). "Cynoglossum officinale (L.), Houndstongue (Boraginaceae).", in Mason, P.G. and Gillespie, D.R. (eds.) - Biological Control Programmes in Canada 2001-2012, CABI Publishing, Wallingford, UK, Chapter 46, pp. 309-315.
  • De Clerck-Floate, R.A. and McClay, A.S. (2013). "Linaria vulgaris Mill., Yellow Toadflax (Plantaginaceae).", in Mason, P.G. and Gillespie, D.R. (eds.) - Biological Control Programmes in Canada 2001-2012, CABI Publishing, Wallingford, UK, Chapter 53, pp. 354-362.
  • McClay, A.S. and De Clerck-Floate, R.A. (2013). "Convolvulus arvensis L., Field Bindweed (Convolvulaceae).", in Mason, P.G. and Gillespie, D.R. (eds.) - Biological Control Programmes in Canada 2001-2012, CABI Publishing, Wallingford, UK, Chapter 45, pp. 307-309.
  • Moffat, C.E., Lalonde, R.G., Ensing, D.J., De Clerck-Floate, R.A., Grosskopf-Lachat, G., and Pither, J. (2013). "Frequency-dependent host species use by a candidate biological control insect within its native European range.", Biological Control, 67(3), pp. 498-508. doi : 10.1016/j.biocontrol.2013.10.007

2012

2011

  • De Clerck-Floate, R.A. and Cárcamo, H.A. (2011). "Biocontrol arthropods: new denizens of Canada's grassland agroecosystems.", in Floate, K.D. (ed.) - Arthropods of Canadian Grasslands. Vol. 2: Inhabitants of a Changing Landscape, Biological Survey of Canada (BSC), Chapter 12, pp. 291-321.
  • Gaskin, J.F., Bon, M.-C., Cock, M.J.W., Cristofaro, M., De Biase, A., De Clerck-Floate, R.A., Ellison, C.A., Hinz, H.L., Hufbauer, R.A., Julien, M.H., and Sforza, R. (2011). "Applying molecular-based approaches to classical biological control of weeds (Review).", Biological Control, 58(1), pp. 1-21. doi : 10.1016/j.biocontrol.2011.03.015

2010

2009

Other Science Related Publications:

2014

  • Catton, H.A., Lalonde, R.G., and De Clerck-Floate, R.A. (2014). "Patterns and impact of herbivery by Mogulones crucifer on its target week, Cynoglossum officinale and the nontarget plant Hackelia micrantha.", Northern Rockies Invasive Plant Council Meeting, Spokane, Washington, USA, February 10-13, 2014.
  • De Clerck-Floate, R.A. (2014). "A phytocentric focus in weed biological control: Does plant morphology affect insect and plant responses during interaction?", Entomological Society of America Annual Meeting 2014.
  • De Clerck-Floate, R.A. (2014). "Understanding plant morphology in the successful application of weed biocontrol.", 2014 Joint Annual Meeting of Entomological Society of Saskatchewan and Entomological Society of Canada, Saskatoon SK, Canada, September 28-October 1, 2014.
  • De Clerck-Floate, R.A. (2014). "Update on Canada’s recent research on hawkweeds.", International Hawkweeds Biological Control Consortium Meeting, Northern Rockies Invasive Plant Council Meeting, Spokane, Washington, USA, February 10-13, 2014.
  • De Clerck-Floate, R.A. (2014). Interim Report to BC Ministry of Forests Lands and Natural Resource Operations: Research and Development on a New Biocontrol Agent for Invasive Hawkweeds. (Report)
  • De Clerck-Floate, R.A. and Laird, R.A. (2014). "Investigating the role of plant morphology in weed biocontrol.", 62nd Annual Meeting of the Entomological Society of Alberta, Lethbridge, AB, Canada, October 16-18, 2014.
  • De Clerck-Floate, R.A. and McClay, A. (2014). "Update on Canadian toadflax studies.", International Toadflax Biological Control Consortium Meeting, Northern Rockies Invasive Plant Council Meeting, Spokane, Washington, USA, February 10-13, 2014.
  • Gassmann, A., De Clerck-Floate, R.A., Sing, S.E., Tŏsevski, I., Mitrović, M., and Krstić, O. (2014). "Erratum to: Biology and host specificity of Rhinusa pilosa, a recommended biological control agent of Linaria vulgaris.", BioControl, 59(4), pp. 485. doi : 10.1007/s10526-014-9580-0
  • Littlefield, J., De Clerck-Floate, R.A., Grosskopf-Lachat, G., and Hinz, H.L. (2014). A petition for the field release of the hoverfly Cheilosia urbana (Diptera: Syrphidae) for biological control of alien invasive hawkweeds in North America. (Report)
  • McClay, A. and De Clerck-Floate, R.A. (2014). "Biological control of yellow toadflax, Linaria vulgaris: First report of apparent impact of the stem-mining weevil, Mecinus janthinus, in Canada.", Northern Rockies Invasive Plant Council Meeting, Spokane, Washington, USA, February 10-13, 2014.

2013

  • Catton, H.A., Lalonde, R.G., and De Clerck-Floate, R.A. (2013). "Spatial utilization patterns by the weed biocontrol weevil, Mogulones crucifer, differ between target and non-target plants.", 98th Ecological Society of America Annual Meeting, Minneapolis, Minnesota, USA, August 4-9, 2013.
  • Catton, H.A., Lalonde, R.G., and De Clerck-Floate, R.A. (2013). "Spatial utilization patterns by the weed biocontrol weevil, Mogulones crucifer, differ between target and non-target plants.", Canadian Society of Ecology and Evolution Annual Meeting, Kelowna, BC, Canada, May 12-15, 2013.
  • De Clerck-Floate, R.A. (2013). "Welcoming our new immigrants, insects used in weed biocontrol.", Joint meetings of the Entomological Societies of Canada and Ontario, Guelph, ON, Canada, October 20-23, 2013, invited symposium presentation.
  • Mason, P.G., De Clerck-Floate, R.A., Erlandson, M.A., and Bailey, K.L. (2013). AAFC National Containment, Biosafety and Biosecurity Committee (NCBB) update for AAFC Biological Control Working Group, 18 October 2013, Guelph, Ontario, 1pp. (Report)

2012

  • Catton, H.A., De Clerck-Floate, R.A., and Lalonde, R.G. (2012). "Houndstongue, biocontrol and nontarget attack.", South Okanagan-Similkameen Invasive Plant Society (SOSIPS) Annual General Meeting, Penticton, BC, Canada, April 10, 2012. (Abstract)
  • Catton, H.A., Lalonde, R.G., and De Clerck-Floate, R.A. (2012). "Patch-level nontarget attack by the biocontrol weevil Mogulones crucifer: A temporary spillover effect requiring host plant presence?", Ecological Society of America (ESA 2012) 97th Annual Meeting, Portland, OR, USA, August 5-10, 2012. (Abstract)
  • De Clerck-Floate, R.A. (2012). Unveiling the patterns and processes of weed biological control. AAFC Research Highlights 2011-Lethbridge Research Centre. 31 July 2012. (Report)
  • De Clerck-Floate, R.A. and Bourchier, R.S. (2012). "Classical weed biocontrol in Canada: How do new agents against emerging invasive plants happen?", Terrestrial Invasive Plant Species Conference: Understanding Plant Invasions in a Changing World, Sault Ste. Marie, ON, Canada, August 20-22, 2012, pp. 40. (Abstract)
  • De Clerck-Floate, R.A. and Dyck, J. (2012). "Developing a biological control strategy for hawkweeds in Canada.", Entomological Society of Canada 62nd and Entomological Society of Alberta 60th joint Annual Meeting, Coast Edmonton Plaza Hotel, Edmonton, AB, Canada, November 4-7, 2012. (Poster)
  • De Clerck-Floate, R.A., Gassmann, A., Sing, S., and Tŏsevski, I. (2012). Petition for field release of Rhinusa pilosa (Gyllenhal, 1838) (Coleoptera: Curculionidae) against yellow toadflax (Linaria vulgaris Mill.: Plantaginaceae) in Canada and the U.S.A. March 19, 2012, 93 pp. (Report)

2009

  • De Clerck-Floate, R.A., Bourchier, R.S., and Van Hezewijk, B.H. (2009). "What’s happening up north on weed biocontrol research?", Interagency Biological Control Meeting, Billings, MT, USA, November 16-17, 2009. (Presentation)
  • De Clerck-Floate, R.A., Floate, K.D., and Saunders, P. (2009). "A test of containment efficacy using living insects in a release and recapture study.", Entomological Society of Alberta 57th Annual Meeting, Lakeland College, Vermilion, AB, Canada, November 5-7, 2009, pp. 21.
  • De Clerck-Floate, R.A., Floate, K.D., and Saunders, P. (2009). "A test of containment efficacy using living insects in a release and recapture study.", Entomological Society of Canada 59th and Manitoba Entomological Society Joint Annual Meeting, Winnipeg, MB, Canada, October 18-21, 2009, pp. 46.