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Robert N. Wiedenmann
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Email: rwieden@uark.edu Title: Head, Department of Entomology
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| Activities | My interests include: 1) management of exotic, invasive species (weeds and insects); 2) foraging strategies of parasitic Hymenoptera; 3) use of novel (non-coadapted) and ancestral (coadapted) host-parasite associations for biological control; 4) biological control of weeds, including purple loosestrife and garlic mustard; 5) impacts of transgenic technology on natural enemies. Currently (and recently) I have projects that include assessing the habitat and host selection processes of several conspecific microgastrine braconid parasites of stemborers; understanding the physiological and immunological interactions between braconid endoparasites and their stemborer hosts; search for and importation of exotic parasites for use against alfalfa blotch leafminer in the Midwest; rearing and release of several biological control agents against the exotic wetland plant, purple loosestrife, in Illinois; studying the biology of garlic mustard, a forest-inhabiting weed; and searching for natural enemies to use against the exotic, invasive weed, teasel (Dipsacus sp.). |
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| Research |
Biological Control of Purple Loosestrife Wetlands, Biodiversity and Biological Control: Purple Loosestrife Habitat and Host Specificity of Braconid Parasites of Stemborers Biology and Biological Control of Garlic Mustard Impacts of Transgenic Technology on Natural Enemies Biology and biological control of teasel |
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| Recognition | University of Illinois College of Agricultural, Consumer and Environmental Sciences, Service Recognition Award, April 2002. Member, National Invasive Species Advisory Committee, 2004-2006. |
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| Professional affiliations |
Entomological Society of America International Organization for Biological Control Kansas Entomological Society Natural Areas Association |
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| Selected publications |
Recent Refereed Papers (last five years) Rothwangl, K. B., R. A. Cloyd and R. N. Wiedenmann. 2004. Effects of low-risk insecticides on the citrus mealybug parasitoid, Leptomastix dactylopii (Hymenoptera: Eulophidae) (Howard). Journal of Economic Entomology 97: 1239-1244. Lundgren, J. G., A. Razzak, and R. N. Wiedenmann. 2004. Population responses and food consumption by the predators Coleomegilla maculata and Harmonia axyridis (Coleoptera: Coccinellidae), during anthesis in an Illinois cornfield. Environmental Entomology 33: 958-963. Maddox, J. D. and R. N. Wiedenmann. 2004. Arthropods associated with purple loosestrife in Illinois wetlands. Great Lakes Entomologist 36: 93-98. Lundgren, J. G., and R. N. Wiedenmann. 2004. Nutritional suitability of corn pollen for the predator Coleomegilla maculata (Coleoptera: Coccinellidae). Journal of Insect Physiology 50: 567-575. Lundgren, J. G., K. L. Steffey and R. N. Wiedenmann. 2004. The distribution and prevalence of the alfalfa blotch leafminer (Diptera: Agromyzidae) in Illinois. Great Lakes Entomologist 36: 54-60. Wiedenmann, R. N., R. R. Diaz, C. S. Sadof and R. J. O’Neil. 2004. Ground beetle assemblages in mulched and unmulched garden plots. Journal of Kansas Entomological Society 77:99-110. Sadof , C. S., R. J. O’Neil, F.M.G. Heraux and R. N. Wiedenmann. 2004. Reducing insecticide use in home gardens: effects of training and volunteer research on adoption of biological control. HortTechnology 14:149-154. Wiedenmann, R. N., J. W. Smith, Jr., and L. A. Rodriguez-del-Bosque. 2003. Host suitability of the New World stalkborer Diatraea considerata (Lepidoptera: Pyralidae) for three Old World Cotesia (Hymenoptera: Braconidae) parasitoids. Biocontrol 48:659-669. Rutledge, C. E. and R. N. Wiedenmann. 2003. An attempt to change habitat preference of a braconid parasitoid, Cotesia sesamiae, through artificial selection. Journal of Entomological Science 38:93-103. Velarde, R. A., R. N. Wiedenmann & D. J. Voegtlin. 2002. Influence of photoperiod on the overwintering induction and success of Galerucella calmariensis. Biocontrol 47:587-601. Alleyne, M. and R. N. Wiedenmann. 2002. Effect of time in culture on the suitability of two novel-association pyralid hosts for Cotesia Sesamiae (Hymenoptera: Braconidae) development. Biological Control 25:116-122. Alleyne, M. and R. N. Wiedenmann. 2001. Dynamics of teratocytes in novel association hosts parasitized by Cotesia parasitoids. Journal of Insect Physiology 47:1419-1427. Alleyne, M. and R. N. Wiedenmann. 2001. Suitability of lepidopteran stemborers for parasitization by novel-association endoparasitoids. Biocontrol 46:1-23. Blossey, B., R. Casagrande, L. Tewksbury, D. A. Landis, R. N. Wiedenmann & D. Ellis. 2001. Non-target feeding of leaf-beetles introduced to control purple loosestrife (Lythrum salicaria L.). Natural Areas Journal 21:368-377. Alleyne, M. and R. N. Wiedenmann. 2001. Encapsulation response and total hemocyte numbers in three lepidopteran stemborers parasitized by Cotesia flavipes-complex parasitoids. Entomologia Experimentalis et Applicata 100:279-293. Armer, C. A., R. N. Wiedenmann & M. E. Irwin. 1999. Effects of soybean mosaic virus on the facultatively phytophagous predator Orius insidiosus (Heteroptera: Anthocoridae). Environmental Entomology 28: 1036-1043. Rutledge, C. E. & R. N. Wiedenmann. 1999. Habitat preferences of three congeneric braconid parasitoids: Implications for host-range testing in biological control. Biological Control 16:144-154. Books Authored or Edited Alomar, O. & R. N. Wiedenmann, eds. 1996. Zoo-phytophagous Heteroptera: Implications for life history and IPM. Proceedings of a Workshop held at the XIX International Congress of Entomology, Beijing, 1992. Thomas Say Publications in Entomology, 202 pp. Smith, J. W., Jr., R. N. Wiedenmann & W. A. Overholt. 1993. Parasites of lepidopteran stemborers of tropical gramineous plants. ICIPE Science Press, Nairobi. 89 pp. Book Chapters Wiedenmann, R. N. & J. W. Smith, Jr. 1999. Using novel host-parasitoid associations for biological control of native pests. Pp. 16-37, in L. D. Charlet and G. J. Brewer, eds. Biological control of native or indigenous insect pests: challenges, constraints and potential. Thomas Say Publications in Entomology. Wiedenmann, R. N. 1999. Damsel bugs and stink bugs, pp. 135-136. In: K. L. Steffey et al. (eds.). Handbook of Corn Insects. Entomological Society of America, Lanham, MD (non-refereed). Wiedenmann, R. N. & L. T. Wilson. 1996. Potential for using zoo-phytophagous Heteroptera in IPM strategies, pp. 190-202. In: O. Alomar and R. N. Wiedenmann, eds. Zoo-phytophagous Heteroptera: Implications for life history and IPM. Proceedings of a Workshop, XIX International Congress of Entomology, Beijing, 1992. Thomas Say Publications in Entomology. Wiedenmann, R. N., J. C. Legaspi & R. J. O'Neil. 1996. Impact of prey density and facultative plant feeding on the life history of the predator Podisus maculiventris (Say), pp. 94-118. In: O. Alomar and R. N. Wiedenmann, eds. Zoo-phytophagous Heteroptera: Implications for life history and IPM. Proceedings of a Workshop, XIX International Congress of Entomology, Beijing, 1992. Thomas Say Publications in Entomology. Recent Non-Refereed Papers Wiedenmann, R.N. 2002. Exotic, invasive species in Illinois. Illinois Steward 11:11-18. Post, S. L., R. N. Wiedenmann, M. R. Jeffords, and D. Voegtlin. 2002. The color purple: an education program about exotic species. Illinois Steward 11:19-24. Maddox, J. D. & R. N. Wiedenmann. 2001. Effects of ecotic plants on bird nesting success. Illinois Natural History Survey Reports 369:2. Wiedenmann, R. N., D. J. Voegtlin and S. L. Post. 2000. Good beetle, bad plant. Agro-ecology 9:7-10. Wiedenmann, R. N., C. S. Sadof & R. J. O'Neil. 2000. Environmentally friendly gardening. Illinois Natural History Survey Reports 362:5-6. Book review: Wiedenmann, R. N. 2003. Book review: M. Liebman, C. L. Mohler and C. P. Staver. Ecological management of agricultural weeds. American Entomologist 49:55-57. |
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| Program Affiliates |
Research and Technical Scientists Marianne Alleyne Charlie Helm Susan Post Graduate Students Susan Moser (Entomology, 2003 - present) Lori Kae Schwab (Natural Resources and Environmental Sciences, 2004 - present) Jonathan Lundgren (Ph.D., Entomology, 2003) Dylan Maddox (M.S., Natural Resources and Environmental Sciences, 2003) Elizabeth Gault Gilson (M.S., Natural Resources and Environmental Sciences, 2003) Katharina Rothwangl (M.S., Entomology, 2003) Marianne Alleyne (Ph.D., Entomology, 2000) Christine Armer (M.S., Entomology, 1996) Claire Rutledge (Ph.D., Entomology, 1998) Rodrigo Velarde (M.S., Natural Resources and Environmental Sciences, 2000) Zamorano Interns Jessica Velasco (2004 - present) Edith Bermeo (5/02 - 5/03) Barbara Pena (5/01 - 5/02) Dorivar Ruiz (5/01 - 5/02) Rodrigo Diaz (12/99 - 8/00) Gabriel Ramirez (5/99 - 11/99) Diego Roman (8/98 - 8/99) Rosa Escolan (5/98 - 5/99) Fredy Cardona (5/98 - 11/98) Janeth Moncada (11/97 - 5/98) Roland Vargas (4/97 - 11/97) Alex Garcia (1/97 - 4/97) Johnson Zeledon (8/96 - 12/96) Miguel Hernandez (5/96 - 9/96) Carolina Calix (4/96 - 9/96) Agripina Gonzalez (9/94 - 12/94) Other Interns Julia Chatellier (France, 3/00 - 8/00) Julien Chatellier (France, 3/00 - 8/00) Student Hourly Workers Tracy McCusker (2004-present) Jacob Kinsey (2004 - present) |
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| Professional society involvement and activities |
President, IOBC-Nearctic Regional Section, 2004-2006. President, North Central Branch, Entomological Society of America, 2003-2004. |
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| Education | Ph.D., Entomology, Purdue University, 1990 B.S., Ecology, Evolutionary & Population Biology, Purdue University, 1985 | |||
Illinois Natural History Survey - University of Illinois
INRS State Scientific Surveys
