Search Results - "Seybold, S. J."

Application of a Frequency Distribution Method for Determining Instars of the Beet Armyworm (Lepidoptera: Noctuidae) from Widths of Cast Head Capsules by Chen, Y, Seybold, S. J

“…Instar determination of field-collected insect larvae has generally been based on the analysis of head capsule width frequency distributions or bivariate…”
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A review of the chemical ecology of the Cerambycidae (Coleoptera) by Allison, J. D., Borden, J. H., Seybold, S. J.

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Agrilus auroguttatus (Coleoptera: Buprestidae) Seasonal Development within Quercus agrifolia (Fagales: Fagaceae) in Southern California by Haavik, L. J, Coleman, T. W, Flint, M. L, Venette, R. C, Seybold, S. J

“…We investigated seasonal development of the goldspotted oak borer, Agrilus auroguttatus Schaeffer (Coleoptera: Buprestidae), and physical conditions of the…”
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First record of Pityophthorus solus (Blackman, ) in Europe by Goldarazena, A, Bright, D. E, Hishinuma, S. M, López, S, Seybold, S. J

“…First records of Pityophthorus solus (Blackman, ) (Coleoptera: Curculionidae: Scolytinae) for Europe are reported. Twenty one specimens were obtained…”
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Suitability of native and ornamental oak species in California for Agrilus auroguttatus by Haavik, L.J., Graves, A.D., Coleman, T.W., Flint, M.L., Venette, R.C., Seybold, S.J.

“…Goldspotted oak borer, Agrilus auroguttatus Schaeffer (Coleoptera: Buprestidae), is a new invasive species in southern California, USA. The extent of the host…”
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De novo biosynthesis of the aggregation pheromone components ipsenol and ipsdienol by the pine bark beetles Ips paraconfusus Lanier and Ips pini (Say) (Coleoptera: Scolytidae) by Seybold, S.J. (University of Nevada, Reno, NV.), Quilici, D.R, Tillman, J.A, Vanderwel, D, Wood, D.L, Blomquist, G.J

“…The California five-spined ips, Ips paraconfusus Lanier, produces the myrcene-derived acyclic monoterpene alcohols ipsenol (2-methyl-6-methylene-7-octen-4-ol)…”
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Geographic variation in response of pine engraver, Ips pini, and associated species to pheromone, lanierone by Miller, D.R. (D.R. Miller Consulting Services, Surrey, BC, Canada.), Gibson, K.E, Raffa, K.F, Seybold, S.J, Teale, S.A, Wood, D.L

“…Lanierone strongly synergized the attraction of male and female Ips pini (Say) to ipsdienol in New York and Wisconsin. Synergy was only weakly significant in…”
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Incomplete barriers to mitochondrial gene flow between pheromone races of the North American pine engraver, Ips pini (Say) (Coleoptera, Scolytidae) by Cognate, Anthony I., Seybold, Steven J., Sperling, Felix A. H.

“…for a total of 217 individuals, based on 354 bp of the cytochrome oxidase I gene. Gene flow was estimated cladistically as migrants per generation (…”
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Juvenile hormone regulation of HMG-R gene expression in the bark beetle Ips paraconfusus (Coleoptera: Scolytidae): implications for male aggregation pheromone biosynthesis by Tittiger, C, Blomquist, G.J, Ivarsson, P, Borgeson, C.E, Seybold, S.J

“…Juvenile hormone III (JH III) induces acyclic isoprenoid pheromone production in male Ips paraconfusus. A likely regulatory enzyme in this process is…”
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Male Jeffrey pine beetle, Dendroctonus jeffreyi, synthesizes the pheromone component frontalin in anterior midgut tissue by Hall, G.M., Tittiger, C., Blomquist, G.J., Andrews, G.L., Mastick, G.S., Barkawi, L.S., Bengoa, C., Seybold, S.J.

“…The male Jeffrey pine beetle, Dendroctonus jeffreyi Hopkins (Coleoptera: Scolytidae), produces the bicyclic ketal frontalin as part of a complex semiochemical…”
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Enantiomeric composition of ipsdienol: a chemotaxonomic character for North American populations of Ips spp. in the pini subgeneric group (Coleoptera: Scolytidae) by Seybold, S.J. (University of Nevada Reno, Reno, Nevada.), Ohtsuka, T, Wood, D.L, Kubo, I

“…Thirty-five populations of Ips pini (Say) and one population each of Ips avulsus (Eichhoff) and Ips bonanseai (Hopkins) were analyzed for the enantiomeric…”
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Cuticular hydrocarbons as chemotaxonomic characters of pine engraver beetles (Ips spp.) in the grandicollis subgeneric group by Page, M. (Pacific Southwest Research Station, USDA, Forest Service, Albany, CA.), Nelson, L.J, Blomquist, G.J, Seybold, S.J

“…Cuticular hydrocarbons were extracted, identified, and evaluated as chemotaxonomic characters from all species of adult Ips pine engraver beetles in the…”
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Isolation and extreme sex-specific expression of cytochrome P450 genes in the bark beetle, Ips paraconfusus, following feeding on the phloem of host ponderosa pine, Pinus ponderosa by Huber, D.P.W, Erickson, M.L, Leutenegger, C.M, Bohlmann, J, Seybold, S.J

“…We have identified cDNAs and characterized the expression of 13 novel cytochrome P450 genes of potential importance in host colonization and reproduction by…”
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Role of chirality in olfactory-directed behavior: aggregation of pine engraver beetles in the genus Ips (Coleoptera: Scolytidae) by Seybold, S.J

“…There has been a renaissance of interest in the significance of enantiomeric composition in biological systems. Three chiral monoterpene alcohol aggregation…”
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BIOCHEMISTRY AND MOLECULAR BIOLOGY OF DE NOVO ISOPRENOID PHEROMONE PRODUCTION IN THE SCOLYTIDAE by Seybold, Steven J, Tittiger, Claus

“…Recent application of biochemical and molecular techniques to study the genesis of scolytid aggregation pheromones has revealed that bark beetles are primarily…”
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Insect pheromones—an overview of biosynthesis and endocrine regulation by Tillman, Julie A, Seybold, Steven J, Jurenka, Russell A, Blomquist, Gary J

“…This overview describes, compares, and attempts to unify major themes related to the biosynthetic pathways and endocrine regulation of insect pheromone…”
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Effects of enantiomeric blend of verbenone on response of Ips paraconfusus to naturally produced aggregation pheromone in the laboratory by McPheron, L J, Seybold, S J, Storer, A J, Wood, D L, Ohtsuka, T, Kubo, Isao

“…The aggregation pheromone produced by male Ips paraconfusus (Coleoptera: Scolytidae) tunneling in Monterey pine, Pinus radiata, logs was trapped on Porapak Q…”
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Frontalin: De novo biosynthesis of an aggregation pheromone component by Dendroctonus spp. bark beetles (Coleoptera: Scolytidae) by Barkawi, Lana S., Francke, Wittko, Blomquist, Gary J., Seybold, Steven J.

“…The pheromone component, frontalin (1,5-dimethyl-6,8-dioxabicyclo[3.2.1]octane) is thought to be formed in Dendroctonus spp. bark beetles through the…”
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Olfactory responses of Ips plastographus maritimus Lanier (Coleoptera: Scolytidae) to insect and host-associated volatiles in the laboratory by Warren, C.E. (San Jose State University, CA.), Wood, D.L, Seybold, S.J, Storer, A.J, Bros, W.E

“…Attraction of both sexes of Ips plastographus maritimus Lanier to bark-phloem-xylem discs of Monterey pine, Pinus radiata D. Don, was demonstrated in the…”
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Application of a Frequency Distribution Method for Determining Instars of the Beet Armyworm (Lepidoptera: Noctuidae) from Widths of Cast Head Capsules by Chen, Y, Seybold, S J

“…Instar determination of field-collected insect larvae has generally been based on the analysis of head capsule width frequency distributions or bivariate…”
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