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Displaying items 1 - 10 of 26 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. Assessing nuclear and mitochondrial DNA sequence variation within Steinernema (Rhabditida:Steinernematidae)

Description:
Includes references
Author:
Szalanski, A.L. , Taylor, D.B. , Mullin, P.G.
Subject:
Steinernema , Steinernema feltiae , ribosomal DNA , mitochondrial DNA , structural genes , cytochrome-c oxidase , nucleotide sequences , genetic variation , genetic distance , strain differences , chemotaxonomy , phylogeny , entomopathogenic nematodes
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2000

4. DNA Barcoding Applied to Invasive Leafminers (Diptera: Agromyzidae) in the Philippines

Description:
Includes references
Author:
Scheffer, S.J. , Lewis, M.L. , Joshi, R.C.
Subject:
genes , cytochrome-c oxidase , Liriomyza , leafminers , invasive species , mitochondrial DNA , nucleotide sequences , sequence homology , genetic variation , molecular systematics , barcoding , pest identification , insect taxonomy , Philippines
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

5. Evidence of cryptic species within the pest Copitarsia decolora (Guenee) (Lepidoptera: Noctuidae)

Description:
Includes references
Author:
Simmons, R.B. , Scheffer, S.J.
Subject:
genes , cytochrome-c oxidase , Noctuidae , insect taxonomy , molecular systematics , mitochondrial DNA , nucleotide sequences , genetic variation , insect morphology , phylogeny , insect pests
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

6. Genetic and Morphological Diversity of Temperate and Tropical Isolates of Phytophthora capsici

Description:
Includes references
Author:
Bowers, J.H. , Martin, F.N. , Tooley, P.W. , Luz, E.D.M.N.
Subject:
Phytophthora capsici , ribosomal DNA , internal transcribed spacers , nucleotide sequences , amplified fragment length polymorphism , mitochondrial DNA , cytochrome-c oxidase , genes , genetic variation , phylogeny , fungal anatomy , strain differences , tropics , temperate zones
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

7. Genetic similarities among geographic isolates of Lysiphlebus testaceipes (Hymenoptera: Aphidiidae) differing in cold temperature tolerances

Description:
Includes references
Author:
Shufran, K.A. , Weathersbee, A.A. III , Jones, D.B. , Elliott, N.C.
Subject:
Lysiphlebus testaceipes , genetic variation , geographical variation , cold tolerance , mitochondrial DNA , cytochrome-c oxidase , ribosomal DNA , nucleotide sequences , sequence homology , phylogeny , genetic distance , parasitoids , biological control agents , host strains , Nebraska , Texas , Oklahoma , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

8. 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

9. Genetic variation in geographical populations of western and Mexican corn rootworm

Description:
Includes references
Author:
Szalanski, A.L. , Roehrdanz, R.L. , Taylor, D.B. , Chandler, L.
Subject:
Diabrotica virgifera , Diabrotica virgifera virgifera , Diabrotica undecimpunctata howardi , ribosomal DNA , genetic variation , restriction fragment length polymorphism , nucleotide sequences , mitochondrial DNA , DNA , Diabrotica virgifera zeae , population , South Dakota , Nebraska , Texas , Indiana
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
1999

10. Genetic variation within and between strains of the fall armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae)

Description:
Includes references
Author:
Lewter, J.A. , Szalanski, A.L. , Nagoshi, R.N. , Meagher, R.L. Jr. , Owens, C.B. , Luttrell, R.G.
Subject:
genes , cytochrome-c oxidase , Spodoptera frugiperda , genetic variation , population genetics , mitochondrial DNA , ribosomal DNA , internal transcribed spacers , nucleotide sequences , haplotypes , geographical variation , Zea mays , Oryza sativa , host strains , Arkansas , Florida
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006