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Publications (*Refereed, +Outreach)

*Merrill, S. C., F. B. Peairs, T. L. Randolph, G. J. Michels Jr. and C. B. Walker (Accepted. 2014) Examining the competitive advantage of Diuraphis noxia (Hemiptera: Aphididae) biotype 2 over biotype 1. Journal of Economic Entomology

*Merrill, S. C., T. O. Holtzer, F. B. Peairs, and P. J. Lester (2014) Validating spatiotemporal predictions of an important pest of small grains. Pest Management Science. Online publication date: 28 April 2014. DOI 10.1002/ps.3778.

*Merrill, S. C., Walter, S. M., F. B. Peairs, and E. M. Schleip (2013) The distribution of European corn borer moths in sprinkler irrigated corn. Journal of Economic Entomology. 106(5):2084-92

*Kerzicnik, L.M., F.B. Peairs, P.E. Cushing, M. Draney, and S.C. Merrill (2013) Faunistic composition of spiders in eastern Colorado agroecosystems and analysis of spider density and diversity in crop-intensified agroecosystems. Environmental Entomology 42(1):131-42

*Pucherelli, S. F., F. B. Peairs, S. C. Merrill, and T. L. Randolph (2012) Russian Wheat Aphid (Hemiptera: Aphididae) Reproduction and Development on Five Noncultivated Grass Hosts. Arthropod-Plant Interactions. 6(1): 67-73. http://www.springerlink.com/content/bqmv53526572t087/

*Merrill, S. C., Walter, S., F. B. Peairs, and J. A. Hoeting (2011) Spatial variability of Western bean cutworm populations in irrigated corn. Environmental Entomology. 40(3):654-660 http://www.ingentaconnect.com/content/esa/envent/2011/00000040/00000003/art00019

+Merrill, S. C., A. Gebre-Amlak, J. S. Armstrong, and F. B. Peairs (In Press) Degree day prediction models for Sunflower stem weevil (Curculionidae: Coleoptera) development and adult emergence. 2010 Golden Plains Area Agricultural Handbook. http://goldenplains.colostate.edu/agri/agri_docs/2010_gpa_handbook.shtml

*Merrill, S. C., A. Gebre-Amlak, J. S. Armstrong, and F. B. Peairs (2010) Nonlinear Degree-Day Models of the Sunflower Stem Weevil (Curculionidae: Coleoptera). Journal of Economic Entomology 103(2): 303-307. http://esa.publisher.ingentaconnect.com/content/esa/jee/2010/00000103/00000002/art00013

*Merrill, S. C., T. O. Holtzer, and F. B. Peairs (2010) Examining spatial correlation between fall and spring population densities of the Russian wheat aphid (Hemiptera: Aphididae). Colorado State Univ. Agric. Exp. Sta. Tech. Rep. TR10-15 pdf

*Merrill, S. C. and T. O. Holtzer (2010) Estimating Russian wheat aphid (Homoptera: Aphididae) overwintering success using weather data. Colorado State Univ. Agric. Exp. Sta. Tech. Rep. TR10-14 pdf

*Merrill, S. C., T. O. Holtzer, F. B. Peairs, and P. J. Lester (2009) Modeling Spatial Variation of Russian Wheat Aphid Overwintering Population Densities in Colorado Winter Wheat. Journal of Economic Entomology 102(2): 533-541 http://esa.publisher.ingentaconnect.com/content/esa/jee/2009/00000102/00000002/art00011

*Merrill, S. C., T. O. Holtzer, and F. B. Peairs (2009) Russian Wheat Aphid, Diuraphis noxia (Kurdjumov), Reproduction and Development with a Comparison of Intrinsic Rates of Increase to Other Important Small Grain Aphids: A Meta-analysis. Environmental Entomology 38(4): 1061-1068
http://esa.publisher.ingentaconnect.com/content/esa/envent/2009/00000038/00000004/art00013

*Merrill, S. C., C. B. Walker, F. B. Peairs, T. L. Randolph, S. D. Haley, and R. W. Hammon (2009) Displacement of Russian wheat aphid, Diuraphis noxia (Kurdjumov), Biotype 1 in Colorado by Russian wheat aphid biotypes virulent to the wheat resistance gene Dn4. Colorado State Univ. Agric. Exp. Sta. Tech. Bull. TB09-01, 19 pp. pdf

*Randolph, T. L., S. C. Merrill, and F. B. Peairs (2008) Reproductive Rates of Russian Wheat Aphid (Hemiptera: Aphididae) Biotypes 1 and 2 on a Susceptible and a Resistant Wheat at Three Temperature Regimes. Journal of Economic Entomology 101 (3): 955-958. http://esa.publisher.ingentaconnect.com/content/esa/jee/2008/00000101/00000003/art00039

*Merrill, S. C., T. Randolph, C. B. Walker, and F. B. Peairs (2008) 2007 Russian wheat aphid biotype survey results for Colorado. Pp. 43 - 44 in Johnson, J. J., ed. 2008. Making better decisions: 2007 Colorado wheat variety performance trials. Colorado State Univ. Agric. Exp. Sta. Tech. Rep. TR08-08, 47 pp. pdf

*Merrill, S. C., F. B. Peairs, H. R. Miller, T. L. Randolph, J. B. Rudolph, and E. E. Talmich (2008) Reproduction and Development of Russian Wheat Aphid Biotype 2 on Crested Wheatgrass, Intermediate Wheatgrass, and Susceptible and Resistant Wheats. Journal of Economic Entomology 101 (2): 541-545. http://esa.publisher.ingentaconnect.com/content/esa/jee/2008/00000101/00000002/art00039

*Peairs, F. B., J. B. Rudolph, T. L. Randolph, and S. C. Merrill (2008) 2007 Colorado field crop insect management research and demonstration trials. Colorado State Univ. Agric. Exp. Sta. Tech. Rep. TR08-06, 34 pp. pdf

+Merrill, S. C., T. L. Randolph, C. B. Walker, and F. B. Peairs (2007) 2007 Russian wheat aphid biotype survey results released. High Plains Journal. November. http://www.hpj.com/archives/2007/nov07/nov26/2007Russianwheataphidbiotyp.cfm

+Merrill, S. C., T. L. Randolph, C. B. Walker, and F. B. Peairs (2007) 2006 Russian wheat aphid biotype survey results for Colorado. High Plains Journal. April. http://www.hpj.com/archives/2007/apr07/apr30/2006Russianwheataphidbiotyp.cfm

*Randolph, T. L., F. B. Peairs, S. Merrill, M. Koch, and C. B. Walker (2007) Yield Response to Russian Wheat Aphid (Homoptera: Aphididae) in Mixtures of Resistant and Susceptible Winter Wheats. Southwestern Entomologist. March. 32 (1): 7-15. http://www.bioone.org/doi/abs/10.3958/0147-1724-32.1.7?journalCode=swen

Submitted Manuscripts

Merrill, S. C. and F. B. Peairs (Submitted) Climate change will alter the timing of pest attacks. Pest Management Science

Merrill, S. C., Walter, S., F. B. Peairs, and E. Schleip (Submitted) Spatial variability of European corn borer populations in irrigated corn. Journal of Economic Entomology

Manuscripts in Revision or Preparation

Tewksbury, J. J., C. A. Deutsch, D. S. Battisti, S. C. Merrill, R. B. Huey, and R. L. Naylor. (In Preparation) Global warming, pest pressure, and global food security. Target Journal: Science

Merrill, S. C., T. O. Holtzer, F. B. Peairs, and P. J. Lester (In Revision) Prediction of spatially explicit Russian wheat aphid densities in winter wheat agroecosystems. Pest Management Sciences

Merrill, S. C. (In Preparation) Modeling note: Cautionary explanation of the use of different methods for calculating the intrinsic rate of increase of aphids. Target Journal: Ecology

Merrill, S. C., F. B. Peairs, T. L. Randolph & G. J. Michels Jr. (In Preparation) Examining the competitive advantage of Russian wheat aphid biotype 2 over biotype 1

Merrill, S. C., F. B. Peairs, T.L. Randolph, T. Keck, L. M. Kerzicnik, and S. Hessler (In Preparation) Phenology of spider mites, thrips and small-grain aphids on field edge wheatgrass hosts.