Search Results - "Redak, R. A."

Seed Selection by the Harvester Ant Pogonomyrmex rugosus (Hymenoptera: Formicidae) in Coastal Sage Scrub: Interactions With Invasive Plant Species by Briggs, C. M, Redak, R. A

“…Harvester ants can be the dominant seed predators on plants by collecting and eating seeds and are known to influence plant communities. Harvester ants are…”
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Parasitism of an insect Manduca sexta L. alters feeding behaviour and nutrient utilization to influence developmental success of a parasitoid by Thompson, S. N, Redak, R. A

“…The effects of macronutrient balance on nutrient intake and utilization were examined in Manduca sexta larvae parasitized by Cotesia congregata. Insects fed an…”
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Nutrition interacts with parasitism to influence growth and physiology of the insect Manduca sexta L by Thompson, S N, Redak, R A, Wang, L-W

“…The influence and interaction of dietary protein:carbohydrate balance and parasitism by Cotesia congregata on nutrient intake and growth were examined over the…”
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Restoring Arthropod Communities in Coastal Sage Scrub by Burger, J. C., Redak, R. A., Allen, E. B., Rotenberry, J. T., Allen, M. F.

“…Coastal sage scrub in California and northern Baja California has been severely affected by urban expansion and is, in places, badly in need of restoration. We…”
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Host nutrition determines blood nutrient composition and mediates parasite developmental success: Manduca sexta L. parasitized by Cotesia congregata (Say) by Thompson, S N, Redak, R A, Wang, L-W

“…This investigation examined the influence of dietary protein and carbohydrate balance in a chemically defined artificial diet for Manduca sexta larvae on…”
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Feeding behaviour and nutrient selection in an insect Manduca sexta L. and alterations induced by parasitism by Thompson, S.N, Redak, R.A

“…Manduca sexta L. larvae exhibit broad food acceptance with regard to nutrient content during the first 3 days of the last stadium. Larvae fed diets with a…”
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Nicotine moderates the effects of macronutrient balance on nutrient intake by parasitized Manduca sexta L by Thompson, S. N, Redak, R. A

“…Effects of dietary nicotine and macronutrient ratio on M. sexta larvae were examined. Larvae were fed a carbohydrate-biased, protein-biased or diet having…”
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Seasonal Flight Activity of Two Homalodisca Species (Homoptera: Cicadellidae) That Spread Xylella fastidiosa in Southern California by Blua, M. J., Redak, R. A., Morgan, D. J W., Costa, H. S.

“…Homalodisca coagulata (Say) and Homalodisca lacerta (Fowler) are vectors of a new bacterial disease of oleander in California known as oleander leaf scorch,…”
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Impact of a Screen Barrier on Dispersion Behavior of Homalodisca coagulata (Hemiptera: Cicadellidae) by Blua, M. J., Campbell, K., Morgan, D. J W., Redak, R. A.

“…The recent incursion of the sharpshooter Homalodisca coagulata (Say) (Hemiptera: Cicadellidae), a vector of the plant pathogenic bacterium Xylella fastidiosa,…”
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Altered dietary nutrient intake maintains metabolic homeostasis in parasitized larvae of the insect Manduca sexta L by Thompson, S N, Redak, R A, Wang, L W

“…Manduca sexta larvae exhibited altered food selection over a 2- or 3-day feeding period when parasitized by Cotesia congregata, and offered a choice of two…”
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Interactions of dietary protein and carbohydrate determine blood sugar level and regulate nutrient selection in the insect Manduca sexta L by Thompson, S.N, Redak, R.A

“…The non-homeostatic regulation of blood sugar concentration in the insect Manduca sexta L. was affected by nutritional status. Larvae maintained on diets…”
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THE BIOLOGY OF XYLEM FLUID-FEEDING INSECT VECTORS OF XYLELLA FASTIDIOSA AND THEIR RELATION TO DISEASE EPIDEMIOLOGY by Redak, Richard A, Purcell, Alexander H, Lopes, João R.S, Blua, Matthew J, Mizell III, Russell F, Andersen, Peter C

“…Xylophagous leafhopppers are common and abundant insects of tropical and subtropical environments and play important ecological roles in these ecosystems. The…”
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Transmission of Xylella fastidiosa to Oleander by the Glassywinged Sharpshooter, Homalodisca coagulata by Costa, H.S, Blua, M.S, Bethke, J.A, Redak, R.A

“…Studies were conducted to investigate the transmission of the oleander leaf scorch (OLS) pathogen to oleander ( Nerium oleander L.) plants by sharpshooters…”
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Melon aphid performance on chrysanthemum as mediated by cultivar, and differential levels of fertilization and irrigation by Bethke, J.A. (California Univ., Riverside, CA (USA). Dept. of Entomology), Redak, R.A, Schuch, U.K

“…Population parameters of the melon aphid, Aphis gossypii Glover, were compared for insects grown on six cultivars of chrysanthemum, Dendranthema grandiflora…”
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The glucogenic response of a parasitized insect Manduca sexta L. is partially mediated by differential nutrient intake by Thompson, S.N., Redak, R.A., Borchardt, D.B.

“…Induction of gluconeogenesis is accelerated in larvae of the insect Manduca sexta L. parasitized by Cotesia congregata (Say), maintaining the concentration of…”
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Limiting the potential for intraspecific competition: regulation of Trioza eugeniae oviposition on unexpanded leaf tissue by Luft, P. A., Paine, T. D., Redak, R. A.

“…Summary 1. Trioza eugeniae (Homoptera: Triozidae) females oviposit pre‐ ferentially on the margin of young, incompletely expanded Syzygium paniculatum leaves…”
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Spatial and temporal patterns in the seed bank and vegetation of a desert grassland community by Henderson, C.B, Petersen, K.E, Redak, R.A

“…(1) Plant and seed temporal and spatial patterns, and the correlation between vegetation and seed bank were examined from 150 samples collected from an 8-ha…”
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Effect of imidacloprid on the silverleaf whitefly, Bemisia argentifolii Bellows and Perring (Homoptera: Aleyrodidae), and whitefly parasitism by BETHKE, J. A, REDAK, R. A

“…Bioassays were conducted under greenhouse conditions to determine the effect of imidacloprid on adult and nymphal stages of the silverleaf whitefly, Bemisia…”
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Interactions between the Encelia leaf beetle and its host plant, Encelia farinosa: The influence of acidic fog on insect growth and plant chemistry by Redak, R.A., Trumble, J.T., Paine, T.D.

“…The impact of acidic deposition on interactions between the plant Encelia farinosa and the herbivorous beetle Trirhabda geminata (Chrysomelidae) was determined…”
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Trirhabda geminata (Coleoptera: Chrysomelidae) resistance to the direct impact of simulated acidic fog on larval growth and mortality by Redak, R.A., Paine, T.D., Trumble, J.T.

“…The direct effects of acidic fog (pH 2·75) upon the mortality and growth of Trirhabda geminata Horn (Coleoptera: Chrysomelidae), the dominant herbivore of the…”
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