David W. Ragsdale

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Publications of David W. Ragsdale (38 listed):

Proceedings of the National Academy of Sciences of the United States of America (2018) 115, E7863-E7870
Daniel S. Karp, Rebecca Chaplin-Kramer, Timothy D. Meehan, Emily A. Martin, Fabrice DeClerck, Heather Grab, Claudio Gratton, Lauren Hunt, Ashley E. Larsen, Alejandra Martínez-Salinas, Megan E. O'Rourke, Adrien Rusch, Katja Poveda, Mattias Jonsson, Jay A. Rosenheim, Nancy A. Schellhorn, Teja Tscharntke, Stephen D. Wratten, Wei Zhang, Aaron L. Iverson, Lynn S. Adler, Matthias Albrecht, Audrey Alignier, Gina M. Angelella, Muhammad Zubair Anjum, Jacques Avelino, Péter Batáry, Johannes M. Baveco, Felix J. J. A. Bianchi, Klaus Birkhofer, Eric W. Bohnenblust, Riccardo Bommarco, Michael J. Brewer, Berta Caballero-López, Yves Carrière, Luísa G. Carvalheiro, Luis Cayuela, Mary Centrella, Aleksandar Ćetković, Dominic Charles Henri, Ariane Chabert, Alejandro C. Costamagna, Aldo De la Mora, Joop de Kraker, Nicolas Desneux, Eva Diehl, Tim Diekötter, Carsten F. Dormann, James O. Eckberg, Martin H. Entling, Daniela Fiedler, Pierre Franck, F. J. Frank van Veen, Thomas Frank, Vesna Gagic, Michael P. D. Garratt, Awraris Getachew, David J. Gonthier, Peter B. Goodell, Ignazio Graziosi, Russell L. Groves, Geoff M. Gurr, Zachary Hajian-Forooshani, George E. Heimpel, John D. Herrmann, Anders S. Huseth, Diego J. Inclán, Adam J. Ingrao, Phirun Iv, Katja Jacot, Gregg A. Johnson, Laura Jones, Marina Kaiser, Joe M. Kaser, Tamar Keasar, Tania N. Kim, Miriam Kishinevsky, Douglas A. Landis, Blas Lavandero, Claire Lavigne, Anne Le Ralec, Debissa Lemessa, Deborah K. Letourneau, Heidi Liere, Yanhui Lu, Yael Lubin, Tim Luttermoser, Bea Maas, Kevi Mace, Filipe Madeira, Viktoria Mader, Anne Marie Cortesero, Lorenzo Marini, Eliana Martinez, Holly M. Martinson, Philippe Menozzi, Matthew G. E. Mitchell, Tadashi Miyashita, Gonzalo A. R. Molina, Marco A. Molina-Montenegro, Matthew E. O’Neal, Itai Opatovsky, Sebaastian Ortiz-Martinez, Michael Nash, Örjan Östman, Annie Ouin, Damie Pak, Daniel Paredes, Soroush Parsa, Hazel Parry, Ricardo Perez-Alvarez, David J. Perović, Julie A. Peterson, Sandrine Petit, Stacy M. Philpott, Manuel Plantegenest, Milan Plećaš, Therese Pluess, Xavier Pons, Simon G. Potts, Richard F. Pywell, David W. Ragsdale, Tatyana A. Rand, Lucie Raymond, Benoît Ricci, Chris Sargent, Jean-Pierre Sarthou, Julia Saulais, Jessica Schäckermann, Nick P. Schmidt, Gudrun Schneider, Christof Schüepp, Frances S. Sivakoff, Henrik G. Smith, Kaitlin Stack Whitney, Sonja Stutz, Zsofia Szendrei, Mayura B. Takada, Hisatomo Taki, Giovanni Tamburini, Linda J. Thomson, Yann Tricault, Noelline Tsafack, Matthias Tschumi, Muriel Valantin-Morison, Mai Van Trinh, Wopke van der Werf, Kerri T. Vierling, Ben P. Werling, Jennifer B. Wickens, Victoria J. Wickens, Ben A. Woodcock, Kris Wyckhuys, Haijun Xiao, Mika Yasuda, Akira Yoshioka and Yi Zou (2018)
Crop pests and predators exhibit inconsistent responses to surrounding landscape composition

Journal of Economic Entomology (2015) 108, 1381-1397
J.A. Bannerman, A.C. Costamagna, B.P. McCornack and D.W. Ragsdale (2015)
Comparison of relative bias, precision, and efficiency of sampling methods for natural enemies of soybean aphid (Hemiptera: Aphididae)

Agricultural and Forest Entomology (2015) 17, 239-246
Robert L. Koch, Zeynep Sezen, Paul M. Porter, David W. Ragsdale, Kris A.G. Wyckhuys and George E. Heimpel (2015)
On-farm evaluation of a fall-seeded rye cover crop for suppression of soybean aphid (Hemiptera: Aphididae) on soybean

Crop Science (2015) 55, 2598-2608
Susannah G. Cooper, Vergel Concibido, Ronald Estes, David Hunt, GuoLiang Jiang, Christian Krupke, Brian McCornack, Rouf Mian, Matthew O'Neal, Vaino Poysa, Deirdre PrischmannVoldseth, David Ragsdale, Nick Tinsley and Dechun Wang (2015)
Geographic distribution of soybean aphid biotypes in the United States and Canada during 2008–2010

PLoS ONE (2013) 8 (2 - e56394)
Alejandro C. Costamagna, Brian P. McCornack and David W. Ragsdale (2013)
Within-plant bottom-up effects mediate non-consumptive impacts of top-down control of soybean aphids

Journal of Applied Entomology (2013) 137, 317-320
A.C. Costamagna, B.P. McCornack and D.W. Ragsdale (2013)
Alate immigration disrupts soybean aphid suppression by predators

PLoS ONE (2013) 8 (8 - e72293)
George E. Heimpel, Yi Yang, Jason D. Hill and David W. Ragsdale (2013)
Environmental consequences of invasive species: Greenhouse gas emissions of insecticide use and the role of biological control in reducing emissions

Environmental Entomology (2012) 41, 750-760
R.L. Koch, P.M. Porter, M.M. Harbur, M.D. Abrahamson, K.A.G. Wyckhuys, D.W. Ragsdale, K. Buckman, Z. Sezen and G.E. Heimpel (2012)
Response of soybean insects to an autumn-seeded rye cover crop

Annual Review of Entomology (2011) 56, 375-399
David W. Ragsdale, Douglas A. Landis, Jacques Brodeur, George E. Heimpel and Nicolas Desneux (2011)
Ecology and management of the soybean aphid in North America

Journal of Economic Entomology (2011) 104, 1824-1832
Karrie A. Koch and David W. Ragsdale (2011)
Impacts of thiamethoxam seed treatment and host plant resistance on the soybean aphid fungal pathogen, Pandora neoaphidis

Journal of Integrated Pest Management (2011) 2, A1-A7
K.J. Tilmon, E.W. Hodgson, M.E. O'Neal and D.W. Ragsdale (2011)
Biology of the soybean aphid, Aphis glycines (Hemiptera: Aphididae) in the United States

Journal of Economic Entomology (2010) 103, 1483-1492
Alejandro C. Costamagna, Brian. P. McCornack, David W. Ragsdale and Douglas A. Landis (2010)
Development and validation of node-based sample units for estimating soybean aphid (Hemiptera: Aphididae) densities in field cage experiments

Journal of Economic Entomology (2009) 102, 2101-2108
Kevin D. Johnson, Matthew E. O'Neal, David W. Ragsdale, Christina D. Difonzo, Scott M. Swinton, Philip M. Dixon, Bruce D. Potter, Erin W. Hodgson and Alejandro C. Costamagna (2009)
Probability of cost-effective management of soybean aphid (Hemiptera: Aphididae) in North America

Journal of Economic Entomology (2008) 101, 1488-1500
B.P. McCornack, A.C. Costamagna and D.W. Ragsdale (2008)
Within-plant distribution of soybean aphid (Hemiptera: Aphididae) and development of node-based sample units for estimating whole-plant densities in soybean

Invasive Plant Science and Management (2008) 1, 207-215
Elizabeth J. Stamm Katovich, Roger L. Becker, David W. Ragsdale and Luke C. Skinner (2008)
Growth and phenology of three Lythraceae species in relation to feeding by Galerucella calmariensis and Galerucella pusilla: Predicting ecological host range from laboratory host range testing

Journal of Economic Entomology (2007) 100, 1258-1267
D.W. Ragsdale, B.P. McCornack, R.C. Venette, B.D. Potter, I.V. MacRae, E.W. Hodgson, M.E. O'Neal, K.D. Johnson, R.J. O'Neil, C.D. DiFonzo, T.E. Hunt, P.A. Glogoza and E.M. Cullen (2007)
Economic threshold for soybean aphid (Hemiptera: Aphididae)

Journal of Insect Science (2007) 7 (10), 1-12
B.P. McCornack, R.L. Koch and D.W. Ragsdale (2007)
A simple method for in-field sex determination of the multicolored Asian lady beetle Harmonia axyridis

Environmental Entomology (2006) 35, 1461-1468
J.A. Davis, E.B. Radcliffe and D.W. Ragsdale (2006)
Effects of high and fluctuating temperatures on Myzus persicae (Hemiptera: Aphididae)

Environmental Entomology (2005) 34, 1456-1463
E.W. Hodgson, R.C. Venette, M. Abrahamson and D.W. Ragsdale (2005)
Alate production of soybean aphid (Homoptera: Aphididae) in Minnesota

Journal of Entomological Science (2005) 40, 409-419
E.W. Hodgson, R.L. Koch and D.W. Ragsdale (2005)
Pan trapping for soybean aphid (Homoptera: Aphididae) in Minnesota soybean fields

Environmental Entomology (2005) 34, 235-240
B.P. McCornack, M.A. Carrillo, R.C. Venette and D.W. Ragsdale (2005)
Physiological constraints on the overwintering potential of the soybean aphid (Homoptera: Aphididae)

Environmental Entomology (2005) 34, 1395-1401
M.A. Carrillo, R.L. Koch, E.C. Burkness, K. Bennett, D.W. Ragsdale and W.D. Hutchison (2005)
Supercooling point of bean leaf beetle (Coleoptera: Chrysomelidae) in Minnesota and a revised predictive model for survival at low temperatures

Annals of the Entomological Society of America (2004) 97, 249-258
George E. Heimpel, David W. Ragsdale, Robert Venette, Keith R. Hopper, Robert J. O'Neil, Claire E. Rutledge and Zhishan Wu (2004)
Prospects for importation biological control of the soybean aphid: anticipating potential costs and benefits

Journal of Economic Entomology (2004) 97, 2127-2136
E.W. Hodgson, E.C. Burkness, W.D. Hutchison and D.W. Ragsdale (2004)
Enumerative and binomial sequential sampling plans for soybean aphid (Homoptera: Aphididae) in soybean

Annals of the Entomological Society of America (2004) 97, 219-226
R.C. Venette and D.W. Ragsdale (2004)
Assessing the invasion by soybean aphid (Homoptera: Aphididae): Where will it end?

Journal of Economic Entomology (2004) 97, 854-861
B.P. McCornack, D.W. Ragsdale and R.C. Venette (2004)
Demography of soybean aphid (Homoptera: Aphididae) at summer temperatures

Annals of the Entomological Society of America (2004) 97, 209-218
Zhishan Wu, Donna Schenk-Hamlin, Wenyan Zhan, David W. Ragsdale and George E. Heimpel (2004)
The soybean aphid in China: A historical review

Annals of the Entomological Society of America (2004) 97, 204-208
David W. Ragsdale, David J. Voegtlin and Robert J. O'Neil (2004)
Soybean aphid biology in North America

Environmental Entomology (2004) 33, 147-154
L.C. Skinner, D.W. Ragsdale, R.W. Hansen, M.A. Chandler and R.D. Moon (2004)
Temperature-dependent development of overwintering Aphthona lacertosa and A. nigriscutis (Coleoptera: Chrysomelidae): two flea beetles introduced for the biological control of leafy spurge, Euphorbia esula

International Journal of Pest Management (2002) 48, 147-154
D.E. Legg, S.M. van Vleet, D.W. Ragsdale, R.W. Hansen, B.M. Chen, L. Skinner and J.E. Lloyd (2002)
Required number of location-years for estimating functional lower developmental thresholds and required thermal summations of insects: the first emergence of adult Aphthona nigriscutis Foudras as an example

Environmental Entomology (2002) 31, 348-353
D.E. Legg, S.M. Van Vleet, D.W. Ragsdale, R.W. Hansen and J.E. Lloyd (2002)
Phenology models for first emergence of adult Aphthona nigriscutis (Coleoptera: Chrysomelidae), a biological control agent of leafy spurge (Euphorbiaceae)

Weed Science (2001) 49, 190-194
Elizabeth J. Stamm Katovich, David W. Ragsdale and Luke C. Skinner (2001)
Effect of Galerucella spp. feeding on seed production in purple loosestrife

Weed Science (1999) 47, 360-365
Elizabeth J. Stamm Katovich, Roger L. Becker and David W. Ragsdale (1999)
Effect of Galerucella spp. on survival of purple loosestrife (Lythrum salicaria) roots and crowns

Medical and Veterinary Entomology (1998) 12, 276-283
P.J. James, R.D. Moon and D.W. Ragsdale (1998)
Serum and skin surface antibodies and their associations with sheep biting lice, Bovicola ovis, on experimentally infested sheep

Journal of Economic Entomology (1997) 90, 824-831
Christina D. Di Fonzo, David W. Ragsdale, Edward B. Radcliffe, Neil C. Gudmestad and Gary A. Secor (1997)
Seasonal abundance of aphid vectors of potato virus Y in the Red River Valley of Minnesota and North Dakota

Phytoparasitica (1996) 24, 174-175
C.D. DiFonzo, D.W. Ragsdale and E.B. Radcliffe (1996)
Use of reflective mulches to reduce Potato virus Y potyvirus incidence in seed potato
The 17th Congress of the Israeli Phytopathological Society, February 19-20, 1996 (Bet Dagan, Israel), lecture

Annals of Applied Biology (1996) 129, 289-302
C.D. Difonzo, D.W. Ragsdale, E.B. Radcliffe, N.C. Gudmestad and G.A. Secor (1996)
Crop borders reduce Potato virus Y incidence in seed potato

Environmental Entomology (1981) 10, 402-405
D.W. Ragsdale, A.D. Larson and L.D. Newsom (1981)
Quantitative assessment of the predators of Nezara viridula eggs and nymphs within a soybean agroecosystem using an ELISA