Search Results - "Denno, R. F."

Latitudinal variation in top-down and bottom-up control of a salt marsh food web by Marczak, L. B., Ho, C.-K., Więski, K., Vu, H., Denno, R. F., Pennings, S. C.

“…The shrub Iva frutescens , which occupies the terrestrial border of U.S. Atlantic Coast salt marshes, supports a food web that varies strongly across latitude…”
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PHYSIOLOGY AND ECOLOGY OF DISPERSAL POLYMORPHISM IN INSECTS by Zera, Anthony J, Denno, Robert F

“…Studies of dispersal polymorphism in insects have played a pivotal role in advancing our understanding of population dynamics, life history evolution, and the…”
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Interspecific Interactions in Phytophagous Insects: Competition Reexamined and Resurrected by Denno, R F, McClure, M S, Ott, J R

“…This review reevaluates the importance of interspecific competition in the population biology of phytophagous insects and assesses factors that mediate…”
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Feeding-Induced Changes in Plant Quality Mediate Interspecific Competition between Sap-Feeding Herbivores by Denno, Robert F., Peterson, Merrill A., Gratton, Claudio, Cheng, Jiaan, Langellotto, Gail A., Huberty, Andrea F., Finke, Deborah L.

“…Feeding-induced plant resistance is a well-documented phenomenon for leaf-chewing insects. Furthermore, feeding-induced resistance provides the mechanistic…”
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The escape response of pea aphids to foliar-foraging predators: factors affecting dropping behaviour by LOSEY, JOHN E., DENNO, ROBERT F.

“…1. The effects of predator species, aphid density, aphid age, diel period, and habitat complexity on the dropping behaviour of the pea aphid Acyrthosiphon…”
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Responses of Invertebrate Natural Enemies to Complex-Structured Habitats: A Meta-Analytical Synthesis by Langellotto, Gail A., Denno, Robert F.

“…The structural complexity of habitats has been espoused as an important factor influencing natural-enemy abundance and food-web dynamics in invertebrate-based…”
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Health food versus fast food: the effects of prey quality and mobility on prey selection by a generalist predator and indirect interactions among prey species by Eubanks, Micky D., Denno, Robert F.

“…1. In order to understand the relative importance of prey quality and mobility in indirect interactions among alternative prey that are mediated by a shared…”
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Plant water stress and its consequences for herbivorous insects: a new synthesis by Huberty, Andrea F., Denno, Robert F.

“…Traditionally, herbivorous insects are thought to exhibit enhanced performance and outbreak dynamics on water-stressed host plants due to induced changes in…”
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Interspecific Variation in the Escape Responses of Aphids: Effect on Risk of Predation from Foliar-Foraging and Ground-Foraging Predators by Losey, John E., Denno, Robert F.

“…A series of laboratory experiments was conducted to determine the effect of interspecific differences on prey defensive behavior on the susceptibility of two…”
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Benefits of Dispersal in Patchy Environments: Mate Location by Males of a Wing-Dimorphic Insect by Langellotto, Gail A., Denno, Robert F.

“…Dispersal dimorphisms, in which both flight-capable and flightless adults occur in the same species, are commonplace in insects. Such dimorphisms are seen as…”
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Local adaptation in the armored scale insect Pseudaulacaspis pentagona (Homoptera: Diaspididae) by Hanks, Lawrence M., Denno, Robert F.

“…We investigated adaptation of the armored scale insect Pseudaulacaspis pentagona (Targioni-Tozzetti) to individual mulberry trees (Morus alba L.) in Maryland,…”
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Natural enemies and plant water relations influence the distribution of an armored scale insect by Hanks, Lawrence M., Denno, Robert F.

“…In urban settings, the armored scale insect Pseudaulacaspis pentagona infests mulberry trees in disturbed landscape habitats (roadsides, parking lots) but not…”
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Role of enemy-free space and plant quality in host-plant selection by willow beetles by Denno, Robert F., Larsson, Stig, Olmstead, Karen L.

“…Phratora vitellinae and Galerucella lineola are two leaf beetles that feed on willows (Salix) in central Sweden. When disturbed, larvae of P. vitellinae exude…”
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Host Range of Generalist Caterpillars: Trenching Permits Feeding on Plants with Secretory Canals by Dussourd, David E., Denno, Robert F.

“…To test if secretory canals limit the host ranges of polyphagous moth larvae, we measured the growth of Trichoplusia ni (cabbage looper) and Spodoptera…”
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Positive predator-predator interactions: enhanced predation rates and synergistic suppression of aphid populations by Losey, John E., Denno, Robert F.

“…Interactions among predators can a have substantial effect on the total impact of the predator complex. We investigated the interaction between foliar-foraging…”
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Deactivation of plant defense: correspondence between insect behavior and secretory canal architecture by Dussourd, D.E. (University of Central Arkansas, Conway, AR), Denng, R.F

“…To determine if the arrangement of secretory canals in leaves affects foraging by folivorous insects, we examined the behaviors of 33 species found on diverse…”
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Might Nitrogen Limitation Promote Omnivory among Carnivorous Arthropods? by Denno, Robert F., Fagan, William F.

“…Omnivory is a frequent feeding strategy in terrestrial arthropods, occurring across a diversity of taxa occupying a wide array of habitats. Because omnivory…”
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Density-related migration in planthoppers (Homoptera: Delphacidae): the role of habitat persistence by Denno, R.F. (University of Maryland, College Park, MD), Roderick, G.K, Olmstead, K.L

“…We investigated the selective pressures associated with the possession of wings and migration in wing-dimorphic planthoppers (Homoptera: Delphacidae). Both…”
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Aggregation facilitates larval growth in the neotropical nymphalid butterfly Chlosyne janais by Denno, R.F, Benrey, B

“…Larvae of Chlosyne janais (Lepidoptera: Nymphalidae) feed gregariously as early instars on the shrub Odontonema callistachyum (Acanthaceae). During the fourth…”
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Intraguild Predation Diminished in Complex-Structured Vegetation: Implications for Prey Suppression by Finke, Deborah L., Denno, Robert F.

“…Multiple-predator limitation of prey populations may be mediated by both predator-predator interactions and vegetation structure. Antagonistic interactions…”
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