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United States Department of Agriculture

Agricultural Research Service

Related Topics

Sheila G Sears Wichmann
Insect Genetics and Biochemistry Research
Biological Science Lab Technician

Phone: (701) 239-1274
Fax: (701) 239-1348
USDA,ARS,BRL
1605 ALBRECHT BLVD N
FARGO, ND, 58102-2765


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Genetic diversity populations of the blue orchard bee (Osmia lignaria) in eastern and western North America - (Abstract Only)
Roehrdanz, R.L., Sears Wichmann, S.G. 2013. Genetic diversity populations of the blue orchard bee (Osmia lignaria) in eastern and western North America [abstract]. Entomological Society of America Annual Meeting. November 10-13, 2013. Austin, Tx. Poster No. D0727.
Wolbachia wsp gene clones detect the distribution of Wolbachia variants and wsp hypervariable regions among individuals of a multistrain infected population of Diabrotica barberi (Coleoptera: Chrysomelidae) Reprint Icon - (Peer Reviewed Journal)
Roehrdanz, R.L., Sears Wichmann, S.G. 2013. Wolbachia wsp gene clones detect the distribution of Wolbachia variants and wsp hypervariable regions among individuals of a multistrain infected population of Diabrotica barberi (Coleoptera: Chrysomelidae). Annals of the Entomological Society of America. 106(3):329-338.
Wolbachia MLST marker diversity from multiply infected northern corn rootworm (Diabrotica barberi) populations - (Other)
Roehrdanz, R.L., Wichmann, S.G. 2013. Wolbachia MLST marker diversity from multiply infected northern corn rootworm (Diabrotica barberi) populations. Genbank. Accessions: KC578011 - KC578248.
Genetic diversity in populations of the blue orchard bee (Osmia lignaria) - (Abstract Only)
Roehrdanz, R.L., Wichmann, S.G. 2012. Genetic diversity in populations of the blue orchard bee (Osmia lignaria) [Abstract]. Entomological Society of America Annual Meeting. Paper No. D0402.
Phylogeny and genetic diversity of flea beetles (Aphthona sp.) introduced to North America as biological control agents for leafy spurge - (Peer Reviewed Journal)
Roehrdanz, R.L., Bourchier, R., Cortilet, A., Olson, D.L., Sears, S. 2011. Phylogeny and genetic diversity of flea beetles (Aphthona sp.) introduced to North America as biological control agents for leafy spurge. Annals of the Entomological Society of America. 104(5):966-975. DOI: 10.1603/AN10145.
Wolbachia wsp gene hypervariable region specific PCR primers detect multiple strain infections in northern corn rootworm (Diabrotica barberi) - (Abstract Only)
Roehrdanz, R.L., Sears, S. 2010. Wolbachia wsp gene hypervariable region specific PCR primers detect multiple strain infections in northern corn rootworm (Diabrotica barberi). Entomological Society of America Annual Meeting. p. 173.
Tracking the Extent of Multi-Strain Infection of Individual Northern Corn Rootworms (Diabrotica barberi) Using Specific Primers for Different wsp Hypervariable Regions - (Abstract Only) - (23-Apr-10)
Histone and Ribosomal RNA Repetitive Gene Clusters of the Boll Weevil are Linked in a Tandem Array Reprint Icon - (Peer Reviewed Journal)
Roehrdanz, R.L., Heilmann, L., Senechal, P., Sears, S., Evenson, P.L. 2010. Histone and Ribosomal RNA Repetitive Gene Clusters of the Boll Weevil are Linked in a Tandem Array. Insect Molecular Biology. 19(4):463-471.
Geographic Distribution of mtDNA Clades in the Tarnished Plant Bug (Lygus lineolaris) in North America - (Abstract Only)
Roehrdanz, R.L., Burange, P., Boetel, M., Sears, S. 2009. Geographic Distribution of mtDNA Clades in the Tarnished Plant Bug (Lygus lineolaris) in North America [abstract]. Entomological Society of America Annual Meeting. Poster No. D0596.
Molecular phylogeny and genetic diversity of Lygus - (Abstract Only)
Roehrdanz, R.L., Foottit, R.G., Burange, P., Maw, E., Boetel, M.A., Sears, S. 2008. Molecular Phylogeny and Genetic Diversity of Lygus. Astract. 2nd International Lygus Symposium, April 15-19, 2007. Journal of Insect Science Vol 8, Article 49, p. 24.
New DNA markers reveal presence of Aphthona species (Coleoptera: Chrysomelidae) believed to have failed to establish after release into leafy spurge Reprint Icon - (Peer Reviewed Journal)
Roehrdanz, R.L., Olson, D.L., Fauske, G.M., Bourchier, R.S., Cortilet, A.B., Sears, S. 2009. New DNA markers reveal presence of Aphthona species (Coleoptera: Chrysomelidae) believed to have failed to establish after release into leafy spurge. Biological Control. 49(1):1-5.
Mitochondrial DNA divergence in Lygus lineolaris (Hemiptera: Miridae) - (Abstract Only)
Burange, P.S., Roehrdanz, R.L., Boetel, M.A., Sears, S. 2008. Mitochondrial DNA Divergence in Lygus lineolaris (Hemiptera: Miridae) [abstract]. Entomological Society of America Annual Meeting. Poster No. D0540.
Multiple Strain Wolbachia Infection of Northern Corn Rootworm (Diabrotica Barberi) - (Abstract Only)
Roehrdanz, R.L., Sears, S., Levine, E. 2006. Multiple strain wolbachia infection of northern corn rootworm (diabrotica barberi) [abstract]. Entomological Society of America Annual Meeting. Paper No. D0185.
Molecular Phylogeny and Species Diversity of Aphthona Flea Beetles Introduced to North America - (Abstract Only)
Roehrdanz, R.L., Sears, S., Bourchier, R.S., Olson, D., Cortilet, A.B., Fauske, G.M. 2006. Molecular phylogeny and species diversity of Aphthona flea beetles introduced to North America [abstract]. Annual Meeting for the Society for Molecular Biology and Evolution. Presentation No. P132-A.
Mitochondrial DNA Diversity and Wolbachia Infection in the Flea Beetle Aphthona Nigriscutis (Coleoptera: Chrysomelidae) An Introduced Biocontrol Agent for Leafy Spurge - (Peer Reviewed Journal)
Roehrdanz, R.L., Olson, D., Bourchier, R.S., Sears, S., Cortilet, A.B., Fauske, G.M. 2006. Mitochondrial DNA diversity and Wolbachia infection in the flea beetle Aphthona nigriscutis (Coleoptera: Chrysomelidae): An introduced biocontrol agent for leafy spurge. Biological Control. 37(1):1-8.
A Breeding Barrier Between Populations of Northern Corn Rootworm (Diabrotica Barberi) in Illinois Corresponds to Infection by Two Different Wolbachia Types - (Abstract Only)
Roehrdanz, R.L., Levine, E., Degrugillier, S.S. 2002. A breeding barrier between populations of northern corn rootworm (Diabrotica barberi) in Illinois corresponds to infection by two different wolbachia types [abstract]. International Wolbachia Conference. p. 77-78.
Two Different Wolbachia Types Create a Breeding Barrier Between Populations of Northern Corn Rootworm (Diabrotica Barberi) in Illinois - (Abstract Only)
Roehrdanz, R.L., Levine, E., Degrugillier, S.S. 2002. Two different wolbachia types create a breeding barrier between populations of northern corn rootworm (Diabrotica barberi) in illinois [abstract]. Molecular Insect Science International Symposium Proceedings. Journal of Insect Science 2:17. p. 8.
Last Modified: 4/19/2014
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