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Displaying items 1 - 10 of 17 start over

1. A first assessment of mitochondrial DNA variation and geographic distribution of haplotypes in Hessian fly (Diptera: Cecidomyiidae)

Description:
Includes references
Author:
Johnson, A.J. , Schemerhorn, B.J. , Shukle, R.H.
Subject:
Mayetiola destructor , insect pests , mitochondrial DNA , ribosomal DNA , nucleotide sequences , sequence alignment , sequence homology , haplotypes , genetic variation , genetic distance , phylogeny , population genetics , geographical distribution , zoogeography , biotypes , Wolbachia , United States , Canada , Mediterranean region , Asia , New Zealand
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

2. Analysis of host preference and geographical distribution of Anastrepha suspensa (Diptera: Tephritidae) using phylogenetic analyses of mitochondrial cytochrome oxidase I DNA sequence data

Description:
Includes references
Author:
Boykin, L.M. , Shatters, R.G. , Hall, D.G. , Burns, R.E. , Franqui, R.A.
Subject:
genes , cytochrome-c oxidase , Anastrepha suspensa , fruit flies , host plants , host preferences , geographical distribution , phylogeny , mitochondrial DNA , nucleotide sequences , sequence analysis , genetic variation , population genetics , Florida , Caribbean
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

3. DNA fingerprint probe from Mycosphaerella graminicola identifies an active transposable element

Description:
Includes references
Author:
Goodwin, S.B. , Cavaletto, J.R. , Waalwijk, C. , Kema, G.H.J.
Subject:
Triticum aestivum , Mycosphaerella graminicola , plant pathogenic fungi , DNA profiling , transposons , population genetics , asexual reproduction , sexual reproduction , progeny , DNA probes , isolation , nucleotide sequences , phylogeny , enzymes , RNA-directed DNA polymerase , clones , genetic variation , repetitive sequences
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

4. Genetic and hybridization evidence confirms that a geographic population of Gonatocerus morrilli (Hymenoptera: Mymaridae) from California is a new species: Egg parasitoids of the glassy-winged sharpshooter Homalodisca coagulata (Homoptera: Cicadellidae)

Description:
Includes references
Author:
De Leon, J.H. , Jones, W.A. , Setamou, M. , Morgan, D.J.W.
Subject:
genes , cytochrome-c oxidase , Homalodisca vitripennis , Gonatocerus , new species , population genetics , molecular systematics , mitochondrial DNA , ribosomal DNA , internal transcribed spacers , nucleotide sequences , sequence homology , phylogeny , hybridization , reproductive isolation , Wolbachia pipientis , California , Texas , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

5. Genetic Composition of Pepino mosaic virus Population in North American Greenhouse Tomatoes

Description:
Includes references
Author:
Ling, Kai-Shu , Wintermantel, William M. , Bledsoe, Michael
Subject:
Solanum lycopersicum var. lycopersicum , tomatoes , greenhouse production , Pepino mosaic virus , plant diseases and disorders , microbial genetics , genetic variation , population genetics , strains , genotype , complementary DNA , nucleotide sequences , phylogeny , United States , Canada
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

6. Genetic variation and structure in native populations of the fire ant Solenopsis invicta: evolutionary and demographic implications

Description:
Includes references
Author:
Ross, K.G. , Krieger, M.J.B. , Keller, L. , Shoemaker, D.D.
Subject:
Solenopsis invicta , fire ants , population genetics , population structure , allozymes , mitochondrial DNA , genetic markers , microsatellite repeats , nucleotide sequences , genetic variation , geographical variation , phylogeny , evolution , Argentina , Brazil
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

7. Mitochondrial DNA and ITS1 differentiation in geographical populations of Northern corn rootworm, Diabrotica barberi, (Coleoptera: Chrysomelidae): identification of distinct genetic populations

Description:
Includes references
Author:
Roehrdanz, R.L. , Szalanski, A.L. , Levine, E.
Subject:
Diabrotica barberi , mitochondrial DNA , nucleotide sequences , internal transcribed spacers , sequence alignment , genetic variation , restriction fragment length polymorphism , genotype , haplotypes , genetic distance , geographical variation , phylogeny , population genetics , insect pests , United States
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2003

8. Mitochondrial DNA from Hemlock Woolly Adelgid (Hemiptera: Adelgidae) Suggests Cryptic Speciation and Pinpoints the Source of the Introduction to Eastern North America

Description:
Includes references
Author:
Havill, N.P. , Montgomery, M.E. , Yu, G. , Shiyake, S. , Caccone, A.
Subject:
Adelges tsugae , mitochondrial DNA , nucleotide sequences , haplotypes , genetic variation , sequence homology , phylogeny , molecular systematics , population genetics , introduced species , invasive species , speciation , geographical distribution , Tsuga , North America
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

9. Mitochondrial Nucleotide Variability in Invasive Populations of the Root Weevil Diaprepes abbreviatus (Coleoptera: Curculionidae) of Florida and Preliminary Assessment of Diaprepes sp. from Dominica

Description:
Includes references
Author:
Ascunce, Marina S. , Ernst, Joel A. , Clark, Annemarie , Nigg, Herbert N.
Subject:
Diaprepes abbreviatus , Diaprepes , invasive species , population genetics , mitochondrial DNA , cytochrome-c oxidase , ribosomal DNA , nucleotide sequences , genetic markers , genetic variation , haplotypes , geographical variation , insect taxonomy , phylogeny , Florida , Dominica , Caribbean
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

10. Mitochondrial Phylogeography of the Vegetable Pest Liriomyza trifolii (Diptera: Agromyzidae): Diverged Clades and Invasive Populations

Description:
Includes references
Author:
Scheffer, S.J. , Lewis, M.L.
Subject:
genes , cytochrome-c oxidase , Liriomyza trifolii , leafminers , invasive species , geographical distribution , population genetics , mitochondrial DNA , nucleotide sequences , genetic variation , sequence homology , phylogeny , insect taxonomy , host plants
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006