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My broad area of interest is in ecological and evolutionary physiology: how organisms adjust growth and fitness in response to both short-term and long-term environmental variation. Our lab places a strong emphasis on the whole organism. We combine field, greenhouse and lab experiments and use a diverse set of tools and conceptual frameworks to integrate the fields of physiology, ecology, behavior and evolutionary biology.Show Less
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Courses
- REEResearch in Ecology and Evolution
- EPEcological Physiology
- IBInsect Biology
- MISMethods in Insect Science
Grants
- How Does Sequential Acquisition of Nutritional Resources Modulate Allocation Decisions? A Whole-Organism Perspective on Life History Tradeoffs
Co-Investigator (COI)
2021
$928.2K
Active - Insects to Address Food Loss
Principal Investigator (PI)
2020
$75.0K
- Team HexaFeast National I-Corps Proposal
Principal Investigator (PI)
2019
$50.0K
- Arizona Insects as Food (AzIF)
Principal Investigator (PI)
2018
$100.0K
- NSF-IOS-BSF: When Physiology Meets Landscape Ecology: Effects of Landscape Fragmentation on Physiological Tradeoffs
Principal Investigator (PI)
2017
$657.2K
- Development of Stable Isotopes & New Biochemical Tools for Identification of Sterile Insects and Determination of Pest Origin
Principal Investigator (PI)
2016
$193.5K
- Collaborative Research: Integration of Physiological, Life-history, and Macro-ecological Approaches for Understanding Thermal Limitation in Aquatic Insects: Implications for Freshw
Principal Investigator (PI)
2015
$80.7K
- Development of Stable Isotopes & New Biochemical Tools for Identification of Sterile Insects and Determination of Pest Origin
Principal Investigator (PI)
2014
$133.9K
- Development of Stable Isotopes and New Biochemical Tools for Identification of Sterile Insects and Determination of Pest Origin
Principal Investigator (PI)
2013
$136.2K
- CAREER: The Flight-Fecundity Tradeoff - Functional Physiology and Fitness
Principal Investigator (PI)
2011
$923.9K
Technologies / Patents
News
- Five UArizona researchers named AAAS Fellows
2023
- Students Showcase Impactful Tech at Design Day
2019
- I-Squared Awards Honor Inventors, Entrepreneurs, Ecosystem Champions
2018
- The Value of Nutrition and Exercise, According to a Moth
2017
- 32 Students + 15,000 Insects Equals One Biological Clue
2016
- Got Nectar? To Hawkmoths, Humidity is a Cue
2012
- The Wondrous World of Insects
2012
- Moths Tell Us How Organisms Use Resources
2011
- Why Female Moths are Big and Beautiful
2010
- Giant Moth Honored As Research Heavyweight
2001
Publications (81)
Recent
- Substrate composition effect on growth of Cotinis mutabilis larvae: a case for detritivore scarabs in the insect agriculture industry
2022
- Coevolutionary transitions from antagonism to mutualism explained by the Co-Opted Antagonist Hypothesis.
2021
- Bioregenerative Food Production System: Using integrated food production systems to feed the future
2021
- Proboscis curling in a pollinator causes extensive pollen movement and loss
2021
- The time is ripe for expanded research on mass production of insects as food and feed
2021
- Sex differences in the foraging behavior of a generalist hawkmoth.
2021
- Habitat-centric versus species-centric approaches to edible insects for food and feed
2021
- Within-host competition drives energy allocation trade-offs in an insect parasitoid
2020
- How high are the costs inflicted by an herbivorous pollinator?
2020
- Size as a Proxy for Longevity in Aedes aegypti (Diptera: Culicidae) Mosquitoes
2020
- Genetic color polymorphism of the white lined sphinx moth larva, Hyles lineata (Lepidoptera: Sphingidae)
2020
- Size variation does not act as insurance in bumblebees, instead workers added weight in an unpredictable environment
2020
- Diversity and distribution of microbial communities in floral nectar of two night-blooming plants of the Sonoran Desert
2019
- Dietary protein and carbohydrates affect immune function and performance in a specialist herbivore insect Manduca sexta
2019
- Flight-fecundity tradeoffs in wing-monomorphic insects
2019
- Metabolic rate predicts the lifespan of workers in the bumble bee Bombus impatiens
2019
- When Landscape Ecology Meets Physiology: Effects of Habitat Fragmentation on Resource Allocation Trade-Offs
2019
- Diversity and composition of cultivable microbial communities in nectar of moth-pollinated plants in the Sonoran Desert
2019
- The nutritional landscape of host plants for a specialist insect herbivore
2019
- Life history traits, but not body size, vary systematically along latitudinal gradients on three continents in the widespread yellow dung fly
2018
- Context-dependency of in-flight responses by Manduca sexta moths to ambient differences in relative humidity
2018
- Nutrient restriction does not magnify a flight-fecundity tradeoff
2018
- Within individual resource allocation strategies between sexes on different diet qualities
2018
- THE EFFECTS OF THE ALKALOID SCOPOLAMINE ON THE PERFORMANCE AND BEHAVIOR OF TWO CATERPILLAR SPECIES.
2018
- Molecular phylogeny, ecology and multispecies aggregation behaviour of bombardier beetles in Arizona
2018
- Flight duration and flight muscle ultrastructure of unfed hawk moths
2018
- Color alters thermoregulatory behavior in Battus philenor caterpillars by modifying the cue received
2018
- More than just sugar: allocation of nectar amino acids and fatty acids in a Lepidopteran
2017
- Life-extending dietary restriction and ovariectomy each increase leucine oxidation and alter leucine allocation in grasshoppers
2017
- Sex differences in the utilization of essential and non-essential amino acids in Lepidoptera
2017
- Linkages between nectaring and oviposition preferences of Manduca sexta on two co-blooming Datura species in the Sonoran Desert
2017
- Hawkmoths use nectar sugar to reduce oxidative damage from flight
2017
- Effects of sodium puddling on male mating success, courtship and flight in a swallowtail butterfly
2016
- Endocrine Proxies Can Simplify Endocrine Complexity to Enable Evolutionary Prediction
2016
- Synergism and antagonism of the proximate mechanisms enables and constrains the response to multivariate simultaneous selection: an empirical test using experimental evolution
2016
- The effects of the alkaloid scopolamine on the performance and behavior of two caterpillar species
2016
- Towards incorporating insect isotope analysis using cavity ring-down spectroscopy into area-wide insect pest management programs
2016
- Fed males increase oviposition in female hawkmoths via non-nutritive direct benefits
2016
- Synergism and Antagonism of Proximate Mechanisms Enable and Constrain the Response to Simultaneous Selection on Body Size and Development Time: An Empirical Test Using Experimental Evolution
2016
- Evidence of a hemolymph-born factor that induces onset of maturation in Manduca sexta larvae
2015
- The effect of insect host age and diet on the fitness of the entomopathogenic nematode - bacteria mutualism. Symbiosis
2015
- How do insects rely on endogenous protein and lipid resources during lethal bouts of starvation? A new application for 13C-breath testing
2015
- How and When Do Insects Rely on Endogenous Protein and Lipid Resources during Lethal Bouts of Starvation? A New Application for 13C-Breath testing
2015
- Feeding on the wing: energy allocation and prioritization in the hawk moth Manduca sexta
2014
- Effects of predation risk and plant resistance on Manduca sexta caterpillar feeding behaviour and physiology
2014
- The ontogeny of sexual size dimorphism of a moth: when do males and females grow apart?
2014
- The effect of ambient humidity on the foraging behavior of the hawkmoth Manduca sexta
2013
- Effects of predation risk and plant resistance on Manduca sexta caterpillar feeding behavior and physiology
2013
- Absence of reproductive organs increases somatic maintenance in the Hawk moth, Manduca sexta
2013
- An herbivore's thermal tolerance is higher than that of the ant defenders in a desert protection mutualism
2013
- Plasticity in learning causes immediate and trans-generational changes in allocation of resources
2013
- Mass and volume growth of larval insect tracheal system within a single instar
2013
- Effect of insect host age and diet on the fitness of the entomopathogenic nematode-bacteria mutualism
2013
- Herbivory of wild Manduca sexta causes fast down-regulation of photosynthetic efficiency in Datura wrightii: an early signaling cascade visualized by chlorophyll fluorescence
2012
- Floral humidity as a reliable sensory cue for profitability assessment by nectar-foraging hawkmoths
2012
- Predicting the response to simultaneous selection: genetic architecture and physiological constraints
2012
- Choice of oviposition sites by Manduca sexta and its consequences for egg and larval performance
2012
- Reproductive tradeoffs of learning in a butterfly
2011
- Cross-stage consequences of egg temperature in the insect Manduca sexta
2011
- Sex-dependent variation in the floral preferences of the hawkmoth Manduca sexta
2010
- Conflicting processes in the evolution of body size and development time
2010
- Sex differences in phenotypic plasticity of body size and variation in sexual size dimorphism – from physiology to ecology
2010
- Sex differences in phenotypic plasticity of a mechanism that controls body size: Implications for sexual size dimorphism
2010
- A developmental perspective on the evolution of sexual size dimorphism of a moth
2010
- Sex differences in phenotypic plasticity affect variation in sexual size dimorphism in insects: From physiology to evolution
2010
- Ecological Developmental Biology: Integrating Epigenetics, Medicine and Evolution. Scott F. Gilbert and David Epel.
2009
- Reproductive biology of Datura wrightii: the benefits of a herbivorous pollinator
2009
- Insect eggs protected from high temperatures by limited homeothermy of plant leaves
2009
- Population and environmental effects on the size-fecundity relationship in a common grasshopper across an aridity gradient
2008
- Behavioral consequences of innate preferences and olfactory learning in hawkmoth-flower interactions
2008
- Nectar usage in a southern Arizona hawkmoth community
2008
- A quantitative analysis of the mechanism that controls body size in Manduca sexta
2006
- A physiological perspective on the response of body size and development time to simultaneous directional selection
2005
- The effects of environmental variation on a mechanism that controls insect body size
2004
- The physiological basis of reaction norms: The interaction among growth rate, the duration of growth and body size
2004
- Critical weight in the development of insect body size
2003
- Does precipitation variability increase from mesic to xeric biomes?
2002
- The developmental and physiological basis of body size evolution in an insect
2001
- The latitudinal gradient of species diversity among North American grasshoppers (Acrididae) within a single habitat: a test of the spatial heterogeneity hypothesis
1998