Sean O’Donnell
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View article: Ethology and neurobiology of xeric-adapted isopods
Ethology and neurobiology of xeric-adapted isopods Open
Families are the basic units of most animal societies, yet collaborative parental care is rare. Brain structure can change to accommodate the cognitive requirements of new behaviors such as the onset of parental care in fish, rodents, and …
View article: The terrestrial isopod Porcellionides pruinosus as a facultative ant guest along foraging trails and inside Messor ebeninus nests in the Negev Desert
The terrestrial isopod Porcellionides pruinosus as a facultative ant guest along foraging trails and inside Messor ebeninus nests in the Negev Desert Open
We report field observations of the cosmopolitan terrestrial isopod species Porcellionides pruinosus both inside the nest and following foraging trails of the seed harvester ant Messor ebeninus in the spring of 2022 and 2023. The isopods i…
View article: First record of the terrestrial isopod Porcellionides pruinosus as an ant guest along foraging trails and inside Messor ebeninus nests in the Negev Desert
First record of the terrestrial isopod Porcellionides pruinosus as an ant guest along foraging trails and inside Messor ebeninus nests in the Negev Desert Open
We report field observations of the cosmopolitan terrestrial isopod species Porcellionides pruinosus both inside multiple nests and following foraging trails of the seed harvester ant Messor ebeninus in the spring of 2022 and 2023. To our …
View article: Exploring Ecological Drivers of Cultural Variation and Patterns of Insectivory in the Nigeria-Cameroon Chimpanzee (Pan troglodytes ellioti)
Exploring Ecological Drivers of Cultural Variation and Patterns of Insectivory in the Nigeria-Cameroon Chimpanzee (Pan troglodytes ellioti) Open
Chimpanzee insectivory is predominantly focused on social insects (e.g., termites and ants), as they have higher ratio of potential prey yield relative to predation effort. Chimpanzees invest considerable effort into cognitively complex, s…
View article: Microbial symbionts are shared between ants and their associated beetles
Microbial symbionts are shared between ants and their associated beetles Open
The transmission of microbial symbionts across animal species could strongly affect their biology and evolution, but our understanding of transmission patterns and dynamics is limited. Army ants (Formicidae: Dorylinae) and their hundreds o…
View article: Impact of body size on critical thermal maxima in female solitary desert bees
Impact of body size on critical thermal maxima in female solitary desert bees Open
Solitary, size‐variable bees are adapted to a wide range of thermal environments (e.g., through critical thermal maxima, or CT max ) and are important, understudied subjects for research on species' vulnerability to climate change. Centris…
View article: JAMA Neurology
JAMA Neurology Open
The mission of JAMA Neurology is to publish and disseminate scientific information primarily important for physicians caring for people with neurologic disorders and for those interested in the structure and function of the normal and dise…
View article: JAMA Neurology
JAMA Neurology Open
The mission of JAMA Neurology is to publish and disseminate scientific information primarily important for physicians caring for people with neurologic disorders and for those interested in the structure and function of the normal and dise…
View article: Individual reflectance of solar radiation confers a thermoregulatory benefit to dimorphic males bees (Centris pallida) using distinct microclimates
Individual reflectance of solar radiation confers a thermoregulatory benefit to dimorphic males bees (Centris pallida) using distinct microclimates Open
Incoming solar radiation (wavelengths 290–2500 nm) significantly affects an organism’s thermal balance via radiative heat gain. Species adapted to different environments can differ in solar reflectance profiles. We hypothesized that conspe…
View article: Historical evaluation of the in vivo adventitious virus test and its potential for replacement with next generation sequencing (NGS)
Historical evaluation of the in vivo adventitious virus test and its potential for replacement with next generation sequencing (NGS) Open
The Consortium on Adventitious Agent Contamination in Biomanufacturing (CAACB) collected historical data from 20 biopharmaceutical industry members on their experience with the in vivo adventitious virus test, the in vitro virus test, and …
View article: Acoustic Doppler Profiler (ADP) Data Files
Acoustic Doppler Profiler (ADP) Data Files Open
MATLAB data files from the Acoustic Doppler Profiler (ADP)
View article: Profiling Acoustic Doppler Velocimeter (PADV) Data Files
Profiling Acoustic Doppler Velocimeter (PADV) Data Files Open
MATLAB data files from the Profiling Acoustic Doppler Velocimeter (PADV)
View article: Microbial symbionts are shared between ants and their associated beetles
Microbial symbionts are shared between ants and their associated beetles Open
The transmission of microbial symbionts across individuals and generations can be critical for animal development and survival. Likewise, the transmission of microbes across closely interacting species could also affect host biology. Army …
View article: JAMA Neurology
JAMA Neurology Open
The mission of JAMA Neurology is to publish and disseminate scientific information primarily important for physicians caring for people with neurologic disorders and for those interested in the structure and function of the normal and dise…
View article: JAMA Neurology
JAMA Neurology Open
The mission of JAMA Neurology is to publish and disseminate scientific information primarily important for physicians caring for people with neurologic disorders and for those interested in the structure and function of the normal and dise…
View article: Individual reflectance of solar radiation confers a thermoregulatory benefit to dimorphic males bees (<i>Centris pallida</i>) using distinct microclimates
Individual reflectance of solar radiation confers a thermoregulatory benefit to dimorphic males bees (<i>Centris pallida</i>) using distinct microclimates Open
Incoming solar radiation (wavelengths 290 – 2500 nm) significantly affects an organism’s thermal balance via radiative heat gain. Species adapted to different environments can differ in solar reflectance profiles. We hypothesized that cons…
View article: JAMA Neurology
JAMA Neurology Open
The mission of JAMA Neurology is to publish and disseminate scientific information primarily important for physicians caring for people with neurologic disorders and for those interested in the structure and function of the normal and dise…
View article: JAMA Neurology
JAMA Neurology Open
The mission of JAMA Neurology is to publish and disseminate scientific information primarily important for physicians caring for people with neurologic disorders and for those interested in the structure and function of the normal and dise…
View article: JAMA Neurology
JAMA Neurology Open
The mission of JAMA Neurology is to publish and disseminate scientific information primarily important for physicians caring for people with neurologic disorders and for those interested in the structure and function of the normal and dise…
View article: Alternative Reproductive Tactics Associated with Variable Sensory Biology and Thermal Physiology in Male Centris pallida (Hymenoptera: Apidae) Bees
Alternative Reproductive Tactics Associated with Variable Sensory Biology and Thermal Physiology in Male Centris pallida (Hymenoptera: Apidae) Bees Open
Climate change is predicted to cause significant increases in global temperatures that will place many species under temperature-dependent selection. The consequences of climate change may be especially severe for ectothermic species, whic…
View article: Body size correlations with female aggression and physiology suggest pre-adult effects on caste in an independent-founding eusocial paper wasp (<i>Mischocyttarus pallidipectus</i>, Hymenoptera Vespidae)
Body size correlations with female aggression and physiology suggest pre-adult effects on caste in an independent-founding eusocial paper wasp (<i>Mischocyttarus pallidipectus</i>, Hymenoptera Vespidae) Open
Reproductive castes are a defining characteristic of eusocial insects. The developmental timing of reproductive caste differentiation is important to shaping individual opportunities for reproductive flexibility. Because hard-part body siz…
View article: Behavioral Attributes of Social Groups Determine the Strength and Direction of Selection on Neural Investment
Behavioral Attributes of Social Groups Determine the Strength and Direction of Selection on Neural Investment Open
The evolution of social systems can place novel selective forces on investment in expensive neural tissue by changing cognitive demands. Previous hypotheses about the impact of sociality on neural investment have received equivocal support…
View article: Soldier neural architecture is temporarily modality-specialized but poorly predicted by repertoire size in the stingless bee <i>Tetragonisca angustula</i>
Soldier neural architecture is temporarily modality-specialized but poorly predicted by repertoire size in the stingless bee <i>Tetragonisca angustula</i> Open
Individual heterogeneity within societies provides opportunities to test hypotheses about adaptive neural investment in the context of group cooperation. Here we explore neural investment in defense specialist soldiers of the eusocial stin…
View article: Evolutionary and Ecological Pressures Shaping Social Wasps Collective Defenses
Evolutionary and Ecological Pressures Shaping Social Wasps Collective Defenses Open
Social insects are well known for their aggressive (stinging) responses to a nest disturbance. Still, colonies are attacked due to the high-protein brood cached in their nests. Social wasps have evolved a variety of defense mechanisms to e…