Richard L. Hellmich
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Publications of Richard L. Hellmich (59 listed):
International Journal of Tropical Insect Science (2021) 41, 2593-2606
Prince Christopher Addae, Y. Anani Bruce, Iliyasu M. Utono, Mumuni Abudulai, Fousseni Traore, Mohammad F. Ishiyaku, Rabiu S. Adamu, Ahmed Seidu, Benoît J. Batieno, Onyekachi Francis Nwankwo, Malick N. Ba, Gloria A. Adazebra, Jean Baptiste Tignegre, Clémentine L. Dabiré-Binso, Joseph E. Huesing, Richard L. Hellmich, Barry R. Pittendrigh and Manuele Tamò (2021)
Distribution and diversity of alternate hosts of Maruca vitrata Fabricius in three West African countries
PLoS ONE (2021) 16 (6 - e0251884)
Niranjana Krishnan, Maura J. Hall, Richard L. Hellmich, Joel R. Coats and Steven P. Bradbury (2021)
Evaluating toxicity of Varroa mite (Varroa destructor)-active dsRNA to monarch butterfly (Danaus plexippus) larvae
Journal of Economic Entomology (2020) 113, 974-979
Prince C. Addae, Mohammad F. Ishiyaku, Jean-Batiste Tignegre, Malick N. Ba, Joseph B. Bationo, Ibrahim D.K. Atokple, Mumuni Abudulai, Clémentine L. Dabiré-Binso, Fousséni Traore, Mohammed Saba, Muhammed L. Umar, Gloria A. Adazebra, Francis N. Onyekachi, Margaret A. Nemeth, Joseph E. Huesing, Larry R. Beach, Thomas J.V. Higgins, Richard L. Hellmich and Barry R. Pittendrigh (2020)
Efficacy of a cry1Ab gene for control of Maruca vitrata (Lepidoptera: Crambidae) in cowpea (Fabales: Fabaceae)
Journal of Applied Entomology (2017) 141, 67-79
J.L. Petzold-Maxwell, B.D. Siegfried, R.L. Hellmich, C.A. Abel, B.S. Coates, T.A. Spencer, R.J. Horikoshi and A.J. Gassmann (2017)
Fitness costs associated with Cry1F resistance in the European corn borer
Journal of Economic Entomology (2016) 109, 1-12
David A. Andow, Steven G. Pueppke, Arthur W. Schaafsma, Aaron J. Gassmann, Thomas W. Sappington, Lance J. Meinke, Paul D. Mitchell, Terrance M. Hurley, Richard L. Hellmich and R. Pat Porter (2016)
Early detection and mitigation of resistance to Bt maize by western corn rootworm (Coleoptera: Chrysomelidae)
Pest Management Science (2015) 71, 601-606
Rachel R. Binning, Joel Coats, Xiaoxiao Kong and Richard L. Hellmich (2015)
Susceptibility to Bt proteins is not required for Agrotis ipsilon aversion to Bt maize
Journal of Applied Entomology (2015) 139, 23-30
H.-H. Su, J.-C. Tian, S.E. Naranjo, J. Romeis, R.L. Hellmich and A.M. Shelton (2015)
Bacillus thuringiensis plants expressing Cry1Ac, Cry2Ab and Cry1F are not toxic to the assassin bug, Zelus renardii
Journal of Applied Entomology (2015) 139, 403-415
A.M. Hoffmann, B.W. French, R.L. Hellmich, N. Lauter and A.J. Gassmann (2015)
Fitness costs of resistance to Cry3Bb1 maize by western corn rootworm
Environmental Entomology (2014) 43, 242-251
Jun-Ce Tian, Li-Ping Long, Xiang-Ping Wang, Steven E. Naranjo, Jörg Romeis, Richard L. Hellmich, Ping Wang and Anthony M. Shelton (2014)
Using resistant prey demonstrates that Bt plants producing Cry1Ac, Cry2Ab, and Cry1F have no negative effects on Geocoris punctipes and Orius insidiosus
Journal of Economic Entomology (2014) 107, 764-772
Jennifer L. Petzold-Maxwell, Blair D. Siegfried, Richard L. Hellmich, Craig A. Abel, Brad S. Coates, Terrence A. Spencer and Aaron J. Gassmann (2014)
Effect of maize lines on larval fitness costs of Cry1F resistance in the European corn borer (Lepidoptera: Crambidae)
Environmental Entomology (2014) 43, 1254-1263
Michael A. Rausch, Jeremy A. Kroemer, Aaron J. Gassmann and Richard L. Hellmich (2014)
On-plant selection and genetic analysis of European corn borer (Lepidoptera: Crambidae) behavioral traits: plant abandonment versus plant establishment
Journal of Economic Entomology (2014) 107, 368-374
Rachel R. Binning, Joel Coats, Xiaoxiao Kong and Richard L. Hellmich (2014)
Susceptibility and aversion of Spodoptera frugiperda (Lepidoptera: Noctuidae) to Cry1F Bt maize and considerations for insect resistance management
Ecology and Evolution (2013) 3, 2459-2470
Brad S. Coates, Holly Johnson, Kyung-Seok Kim, Richard L. Hellmich, Craig A. Abel, Charles Mason and Thomas W. Sappington (2013)
Frequency of hybridization between Ostrinia nubilalis E-and Z-pheromone races in regions of sympatry within the United States
Environmental Entomology (2012) 41, 200-211
J. Kang, D.W. Onstad, R.L. Hellmich, S.E. Moser, W.D. Hutchison and J.R. Prasifka (2012)
Modeling the impact of cross-pollination and low toxin expression in corn kernels on adaptation of European corn borer (Lepidoptera: Crambidae) to transgenic insecticidal corn
Environmental Entomology (2011) 40, 496-502
Yunhe Li, Jared Ostrem, Jörg Romeis, Mao Chen, Xiaoxia Liu, Richard L. Hellmich, Anthony M. Shelton and Yufa Peng (2011)
Development of a Tier-1 assay for assessing the toxicity of insecticidal substances against Coleomegilla maculata
Pest Management Science (2011) 67, 807-814
Michael Meissle, Richard L. Hellmich and Jörg Romeis (2011)
Impact of Cry3Bb1-expressing Bt maize on adults of the western corn rootworm, Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae)
Agricultural and Forest Entomology (2011) 13, 383-393
Kyung S. Kim, Brad S. Coates, Mark J. Bagley, Richard L. Hellmich and Thomas W. Sappington (2011)
Genetic structure and gene flow among European corn borer populations from the Great Plains to the Appalachians of North America
Biocontrol Science and Technology (2011) 21, 71-74
Jonathan G. Lundgren, Susan E. Moser, Richard L. Hellmich and Michael P. Seagraves (2011)
The effects of diet on herbivory by a predaceous lady beetle
Journal of Insect Behavior (2010) 23, 1-11
Jarrad R. Prasifka, Richard L. Hellmich, Andre L.B. Crespo, Blair D. Siegfried and David W. Onstad (2010)
Video-tracking and on-plant tests show Cry1Ab resistance influences behavior and survival of neonate Ostrinia nubilalis following exposure to Bt maize
Journal of Economic Entomology (2009) 102, 781-787
J.R. Prasifka, R.L. Hellmich, D.V. Sumerford and B.D. Siegfried (2009)
Bacillus thuringiensis resistance influences European corn borer (Lepidoptera: Crambidae) larval behavior after exposure to Cry1Ab
Pest Management Science (2009) 65, 1071-1081
André L.B. Crespo, Terence A. Spencer, Analiza P. Alves, Richard L. Hellmich, Erin E. Blankenship, Leonardo C. Magalhães and Blair D. Siegfried (2009)
On-plant survival and inheritance of resistance to Cry1Ab toxin from Bacillus thuringiensis in a field-derived strain of European corn borer, Ostrinia nubilalis
Environmental Entomology (2009) 38, 1312-1323
Kyung Seok Kim, Mark J. Bagley, Brad S. Coates, Richard L. Hellmich and Thomas W. Sappington (2009)
Spatial and temporal genetic analyses show high gene flow among European corn borer (Lepidoptera: Crambidae) populations across the central U.S. corn belt
Journal of Economic Entomology (2009) 102, 64-68
Guy J. Hallman and Richard L. Hellmich (2009)
Ionizing radiation as a phytosanitary treatment against European corn borer (Lepidoptera: Crambidae) in ambient, low oxygen, and cold conditions
Pest Management Science (2008) 64, 30-36
Jarrad R. Prasifka, Miriam D. Lopez, Richard L. Hellmich and Patricia L. Prasifka (2008)
Effects of insecticide exposure on movement and population size estimates of predatory ground beetles (Coleoptera: Carabidae)
Environmental Entomology (2008) 37, 615-623
C.D. Tate, R.L. Hellmich and L.C. Lewis (2008)
Evaluating popcorn as a potential refuge of Ostrinia nubilalis (Lepidoptera: Crambidae)
Journal of Economic Entomology (2008) 101, 1614-1623
Matthew W. Carroll, John A. Glaser, Richard L. Hellmich, Thomas E. Hunt, Thomas W. Sappington, Dennis Calvin, Ken Copenhaver and John Fridgen (2008)
Use of spectral vegetation indices derived from airborne hyperspectral imagery for detection of European corn borer infestation in Iowa corn plots
Molecular Ecology Resources (2008) 8, 409-411
Kyung Seok Kim, Brad S. Coates, Richard L. Hellmich, Douglas V. Sumerford and Thomas W. Sappington (2008)
Isolation and characterization of microsatellite loci from the European corn borer, Ostrinia nubilalis (Hübner) (Insecta: Lepidoptera: Crambidae)
Environmental Entomology (2008) 37, 1-10
J.R. Prasifka, R.L. Hellmich, G.P. Dively, L.S. Higgins, P.M. Dixon and J.J. Duan (2008)
Selection of nontarget arthropod taxa for field research on transgenic insecticidal crops: Using empirical data and statistical power
Journal of Economic Entomology (2007) 100, 1129-1135
K.T. Reardon, R.L. Hellmich, D.V. Sumerford, L.C. Lewis, B.J. Reardon and D.D. Calvin (2007)
Influence of plant severing on movement of Ostrinia nubilalis larvae in Zea mays hybrid seed production fields
Environmental Entomology (2007) 36, 228-233
Patricia L. Prasifka, Richard L. Hellmich, Jarrad R. Prasifka and Leslie C. Lewis (2007)
Effects of Cry1Ab-expressing corn anthers on the movement of monarch butterfly larvae
Southwestern Entomologist (2006) 31, p. 269 (Prasifka et al.)
J.R. Prasifka, D.V. Sumerford, R.L. Hellmich, L.C. Lewis and D.D. Calving (2006)
Sampling European corn borer (Lepidoptera: Crambidae) larvae from seed corn drying bins for Bt resistance monitoring
Environmental Entomology (2006) 35, 1423-1431
J.R. Prasifka, N.P. Schmidt, K.A. Kohler, M.E. O'Neal, R.L. Hellmich and J.W. Singer (2006)
Effects of living mulches on predator abundance and sentinel prey in a corn-soybean-forage rotation
Journal of Economic Entomology (2006) 99, 1987-1993
Colothdian D. Tate, Richard L. Hellmich and Leslie C. Lewis (2006)
Evaluation of Ostrinia nubilalis (Lepidoptera: Crambidae) neonate preferences for corn and weeds in corn
Environmental Entomology (2005) 34, 1181-1192
J.R. Prasifka, R.L. Hellmich, G.P. Dively and L.C. Lewis (2005)
Assessing the effects of pest management on nontarget arthropods: the influence of plot size and isolation
Environmental Entomology (2005) 34, 944-952
Patricia L. Anderson, Richard L. Hellmich, Jarrad R. Prasifka and Leslie C. Lewis (2005)
Effects on fitness and behavior of monarch butterfly larvae exposed to a combination of Cry1Ab-expressing corn anthers and pollen
Molecular Ecology Notes (2005) 5, 10-12
Brad S. Coates, Richard L. Hellmich and Leslie C. Lewis (2005)
Polymorphic CA/GT and GA/CT microsatellite loci for Ostrinia nubilalis (Lepidoptera: Crambidae)
Journal of Economic Entomology (2004) 97, 1198-1201
B.J. Reardon, R.L. Hellmich, D.V. Sumerford and L.C. Lewis (2004)
Growth, development, and survival of Nosema pyrausta-infected European corn borers (Lepidoptera: Crambidae) reared on meridic diet and Cry1Ab
Journal of Insect Science (2004) 4 (35), 1-9
B.S. Coates, D.V. Sumerford and R.L. Hellmich (2004)
Geographic and voltinism differentiation among North American Ostrinia nubilalis (European corn borer) mitochondrial cytochrome c oxidase haplotypes
Environmental Entomology (2004) 33, 1109-1115
Patricia L. Anderson, Richard L. Hellmich, Mark K. Sears, Douglas V. Sumerford and Leslie C. Lewis (2004)
Effects of Cry1Ab-expressing corn anthers on monarch butterfly larvae
Journal of Insect Science (2003) 3 (29), 1-6
B.S. Coates and R.L. Hellmich (2003)
Two sex-chromosome-linked microsatellite loci show geographic variance among North American Ostrinia nubilalis
Journal of Economic Entomology (2003) 96, 361-369
Patricia L. Anderson, Michael J. Weiss, Richard L. Hellmich, Michael P. Hoffmann and Mark G. Wright (2003)
Millet preference, effects of planting date on infestation, and adult and larval use of proso millet by Ostrinia nubilalis (Lepidoptera: Crambidae)
Journal of Economic Entomology (2002) 95, 878-892
Clinton D. Pilcher, Marlin E. Rice, Randall A. Higgins, Kevin L. Steffey, Richard L. Hellmich, John Witkowski, Dennis Calvin, Kenneth R. Ostlie and Michael Gray (2002)
Biotechnology and the european corn borer: measuring historical farmer perceptions and adoption of transgenic Bt corn as a pest management strategy
Plant Disease (2002) 86, 1149-1155
E.W. Gatch, R.L. Hellmich and G.P. Munkvold (2002)
A comparison of maize stalk rot occurrence in Bt and non-Bt hybrids
Proceedings of the National Academy of Sciences of the United States of America (2001) 98, 11937-11942
Mark K. Sears, Richard L. Hellmich, Diane E. Stanley-Horn, Karen S. Oberhauser, John M. Pleasants, Heather R. Mattila, Blair D. Siegfried and Galen P. Dively (2001)
Impact of Bt corn pollen on monarch butterfly populations: A risk assessment
Proceedings of the National Academy of Sciences of the United States of America (2001) 98, 11931-11936
Diane E. Stanley-Horn, Galen P. Dively, Richard L. Hellmich, Heather R. Mattila, Mark K. Sears, Robyn Rose, Laura C.H. Jesse, John E. Losey, John J. Obrycki and Les Lewis (2001)
Assessing the impact of Cry1Ab-expressing corn pollen on monarch butterfly larvae in field studies
Proceedings of the National Academy of Sciences of the United States of America (2001) 98, 11925-11930
Richard L. Hellmich, Blair D. Siegfried, Mark K. Sears, Diane E. Stanley-Horn, Michael J. Daniels, Heather R. Mattila, Terrence Spencer, Keith G. Bidne and Leslie C. Lewis (2001)
Monarch larvae sensitivity to Bacillus thuringiensis- purified proteins and pollen
Environmental Entomology (2001) 30, 700-710
William B. Showers, Richard L. Hellmich, M. Ellison Derrick-Robinson and William H. Hendrix III (2001)
Aggregation and dispersal behavior of marked and released European corn borer (Lepidoptera: Crambidae) adults
Journal of Economic Entomology (2001) 94, 1369-1377
Thomas E. Hunt, Leon G. Higley, John F. Witkowski, Linda J. Young and Richard L. Hellmich (2001)
Dispersal of adult European corn borer (Lepidoptera: Crambidae) within and proximal to irrigated and non-irrigated corn
Proceedings of the National Academy of Sciences of the United States of America (2001) 98, 11919-11924
John M. Pleasants, Richard L. Hellmich, Galen P. Dively, Mark K. Sears, Diane E. Stanley-Horn, Heather R. Mattila, John E. Foster, Peter Clark and Gretchen D. Jones (2001)
Corn pollen deposition on milkweeds in and near cornfields
Proceedings of the National Academy of Sciences of the United States of America (2001) 98, 11913-11918
Karen S. Oberhauser, Michelle D. Prysby, Heather R. Mattila, Diane E. Stanley-Horn, Mark K. Sears, Galen Dively, Eric Olson, John M. Pleasants, Wai-Ki F. Lam and Richard L. Hellmich (2001)
Temporal and spatial overlap between monarch larvae and corn pollen
Journal of Economic Entomology (2000) 93, 26-30
D.A. Andow, D.M. Olson, R.L. Hellmich, D.N. Alstad and W.D. Hutchison (2000)
Frequency of resistance to Bacillus thuringiensis toxin Cry1Ab in an Iowa population of European corn borer (Lepidoptera: Crambidae)
Journal of Economic Entomology (2000) 93, 1011-1016
Kristopher L. Giles, Richard L. Hellmich, Cort T. Iverson and Leslie C. Lewis (2000)
Effects of transgenic Bacillus thuringiensis maize grain on B. thuringiensis-susceptible Plodia interpunctella (Lepidoptera: Pyralidae)
Plant Disease (1999) 83, 130-138
Gary P. Munkvold, Richard L. Hellmich and Larry G. Rice (1999)
Comparison of fumonisin concentrations in kernels of transgenic Bt maize hybrids and nontransgenic hybrids
Journal of Economic Entomology (1999) 92, 1014-1020
R.L. Hellmich, L.S. Higgins, J.F. Witkowski, J.E. Campbell and L.C. Lewis (1999)
Oviposition by European corn borer (Lepidoptera : Crambidae) in response to various transgenic corn events
HortTechnology (1999) 9, p. 130 (Maas et al.)
John L. Maas, John M. Enns, Stan C. Hokanson and Richard L. Hellmich (1999)
Response of injury to strawberry crowns caused by European corn borer larvae
Environmental Entomology (1998) 27, 253-259
R.L. Hellmich, R.L. Pingel and W.R. Hansen (1998)
Influencing European corn borer (Lepidoptera: Crambidae) aggregation sites in small grain crops
HortScience (1998) 33, 866-867
John L. Maas, John M. Enns, Stan C. Hokanson and Richard L. Hellmich (1998)
Injury to strawberry crowns caused by European corn borer larvae
Phytopathology (1997) 87, 1071-1077
G.P. Munkvold, R.L. Hellmich and W.B. Showers (1997)
Reduced fusarium ear rot and symptomless infection in kernels of maize genetically engineered for european corn borer resistance
Phytopathology (1996) 86, p. S47 (Munkvold et al.)
G.P. Munkvold, R.L. Hellmich, W.B. Showers and M.E. Rice (1996)
Gibberella infection in kernels of transgenic (Bt) maize
