Article
Entomology
Wee L. Yee, Robert B. Goughnour, Jeffrey L. Feder
Summary: Closely related phytophagous insects, Rhagoletis pomonella and Rhagoletis zephyria, found in western North America, have distinct eclosion patterns, potentially due to greater genetic variation in R. pomonella.
ENVIRONMENTAL ENTOMOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Katherine A. Inskeep, Meredith M. Doellman, Thomas H. Q. Powell, Stewart H. Berlocher, Nicholas R. Seifert, Glen R. Hood, Gregory J. Ragland, Peter J. Meyers, Jeffrey L. Feder
Summary: The study demonstrates how divergent phenological adaptation can drive the initiation of reproductive isolation and enhance genetic exchange across broader adaptive radiations, potentially serving as a source of novel genotypic variation.
Article
Entomology
Monte Mattsson, Glen Ray Hood, Wee L. Yee, Meredith M. Doellman, Daniel J. Bruzzese, Robert B. Goughnour, Amanda L. Driscoe, Seth Van Dexter, Cheyenne Tait, Mary M. Glover, Pete Meyers, Luis A. Ruedas, Jeffrey L. Feder
Summary: The study examines the phenomenon of 'recursive adaptive divergence' in insect host races, using the example of apple maggot fly populations shifting to infest new hawthorn hosts in the eastern USA and Pacific Northwest region. Results show rapid adaptive changes in eclosion timing and suggest that adaptive genetic memory can facilitate host race formation even after introductions.
ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA
(2022)
Article
Entomology
Wee L. Yee, Chad E. Kruger, Tim O'Neill
Summary: This study aims to identify the minimum heat treatment temperature to effectively kill Rhagoletis pomonella puparia. The results suggest that a treatment of 55 degrees Celsius for 1 hour is close to the minimum heat regime needed for disinfection.
JOURNAL OF ECONOMIC ENTOMOLOGY
(2022)
Article
Entomology
Wee L. Yee
Summary: The study found that apple maggot flies sink in water and larvae suffered higher mortality after being submerged for 1-2 days than control larvae. Young puparia are more likely to float in water than older puparia, and young puparia had higher mortality rates after immersion in water for 1-12 days, while older puparia were not affected. These results suggest that tolerance to water immersion increases rapidly after puparia formation.
ENVIRONMENTAL ENTOMOLOGY
(2021)
Article
Entomology
Trinity McIntyre, Lalitya Andaloori, Glen R. Hood, Jeffrey L. Feder, Daniel A. Hahn, Gregory J. Ragland, Jantina Toxopeus
Summary: Low temperatures in winter can have a negative impact on the survival of organisms, particularly ectotherms. This study investigates the variation in overwintering strategies among groups of closely interacting parasitoid species. The researchers found that different species of endoparasitoid wasps exhibited similar diapause phenotypes as their host insect, the apple maggot fly. The study also reveals a high level of cold tolerance and consistency in survival rates among the three wasp species.
JOURNAL OF INSECT PHYSIOLOGY
(2023)
Article
Entomology
Lisa G. Neven
Summary: This study investigates the overwintering adaptations of the Western cherry fruit fly and its potential effects on its abundance and distribution under climate change. The effects of diapause chilling duration and post-chilling warm rearing on metabolic rate and supercooling point were determined. The results show that the Western cherry fruit fly can diapause for more than 1 year and its metabolic rate serves as a useful indicator for predicting future abundance and distribution.
ENVIRONMENTAL ENTOMOLOGY
(2023)
Article
Multidisciplinary Sciences
Edwina J. Dowle, Thomas H. Q. Powell, Meredith M. Doellman, Peter J. Meyers, McCall B. Calvert, Kimberly K. O. Walden, Hugh M. Robertson, Stewart H. Berlocher, Jeffrey L. Feder, Daniel A. Hahn, Gregory J. Ragland
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2020)
Article
Biochemistry & Molecular Biology
Katherine A. Inskeep, Meredith M. Doellman, Thomas H. Q. Powell, Stewart H. Berlocher, Nicholas R. Seifert, Glen R. Hood, Gregory J. Ragland, Peter J. Meyers, Jeffrey L. Feder
Summary: The study demonstrates how divergent phenological adaptation can drive the initiation of reproductive isolation and enhance genetic exchange across broader adaptive radiations, potentially serving as a source of novel genotypic variation.
Article
Biology
Cheyenne Tait, Hinal Kharva, Marco Schubert, Daniel Kritsch, Andy Sombke, Juergen Rybak, Jeffrey L. Feder, Shannon B. Olsson
Summary: Changes in behaviour can lead to rapid adaptive evolution and speciation, as seen in the fruit fly Rhagoletis pomonella. The reversal in sensory processing of key odours associated with host fruit preference between apple and hawthorn flies may drive ongoing ecological divergence and speciation. Specific neural pathway changes in sensory modalities could be a broad mechanism for animal behavior changes, contributing to the creation of new biodiversity.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2021)
Article
Entomology
Monte Mattsson, Glen Ray Hood, Wee L. Yee, Meredith M. Doellman, Daniel J. Bruzzese, Robert B. Goughnour, Amanda L. Driscoe, Seth Van Dexter, Cheyenne Tait, Mary M. Glover, Pete Meyers, Luis A. Ruedas, Jeffrey L. Feder
Summary: The study examines the phenomenon of 'recursive adaptive divergence' in insect host races, using the example of apple maggot fly populations shifting to infest new hawthorn hosts in the eastern USA and Pacific Northwest region. Results show rapid adaptive changes in eclosion timing and suggest that adaptive genetic memory can facilitate host race formation even after introductions.
ENTOMOLOGIA EXPERIMENTALIS ET APPLICATA
(2022)
Article
Zoology
Colette St Mary, Thomas H. Q. Powell, John S. Kominoski, Emily Weinert
Summary: The organization of the living world encompasses various scales, requiring a comprehensive understanding of complex processes across biological subdisciplines and spatiotemporal scales. Developing frameworks that enable scaling across subdisciplines is essential for predicting outcomes and integrating different aspects of biology.
INTEGRATIVE AND COMPARATIVE BIOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Daniel J. Bruzzese, Hannes Schuler, Thomas M. Wolfe, Mary M. Glover, Joseph Mastroni, Meredith M. Doellman, Cheyenne Tait, Wee L. Yee, Juan Rull, Martin Aluja, Glen Ray Hood, Robert B. Goughnour, Christian Stauffer, Patrik Nosil, Jeffery L. Feder
Summary: The study found varying degrees of reproductive isolation among allopatric populations of two interbreeding cherry-infesting fruit flies, with one Wolbachia strain associated with unidirectional postmating reproductive isolation. When coupled with other reproductive barriers, the strength of cytoplasmic incompatibility associated with this strain would not prevent its spread to uninfected populations.
Article
Genetics & Heredity
Thomas H. Q. Powell, Glen Ray Hood, Meredith M. Doellman, Pheobe M. Deneen, James J. Smith, Stewart H. Berlocher, Jeffrey L. Feder
Summary: This study investigates the genetic variation and divergence in the Rhagoletis pomonella species group (RPSG) and finds that different taxa within the group are currently diverging under gene flow. The derived species are nested within the genetic variation of hawthorn-infesting populations of R. pomonella and show marked differences in genotype clustering and differentiation among sympatric populations.
Article
Ecology
Dylan G. Jones, Julia Kobelt, Jenna M. Ross, Thomas H. Q. Powell, Kirsten M. Prior
Summary: This study investigated the latitudinal diversity gradient (LDG) of oak gall wasp communities and the potential weaker interactions in polar regions for a range-expanding community member. The results showed a lower diversity of oak gall wasps at higher latitudes, particularly in detachable leaf gall morphotypes. Co-occurrence of gall wasps on trees in the northern expanded region was weak, and the abundances of Neuroterus saltatorius and detachable/ integral leaf galls were negatively related, indicating antagonistic interactions. Therefore, LDGs create communities with weaker associations at the poles, facilitating ecological release for range-expanding species.
JOURNAL OF ANIMAL ECOLOGY
(2022)
Article
Ecology
Alycia C. R. Lackey, Pheobe M. Deneen, Gregory J. Ragland, Jeffrey L. Feder, Daniel A. Hahn, Thomas H. Q. Powell
Summary: Climate change can lead to phenological changes in populations, impacting community interactions and evolutionary processes. In this study, we investigated the response of two sympatric populations of Rhagoletis pomonella flies and their parasitoid wasps to climate warming. We found that warmer temperatures caused earlier development in both fly populations, but had a significant and maladaptive effect on pre-winter development in apple flies. Parasitoid phenology showed less sensitivity to warming, potentially leading to ecological asynchrony. Our findings suggest that climate-induced shifts in fly phenology may reduce temporal isolation and limit ongoing divergence in specialist communities.
Article
Ecology
Alycia C. R. Lackey, Alyssa C. Murray, Nadia A. Mirza, Thomas H. Q. Powell
Summary: The study found that sexual isolation can reduce gene flow and mating between different populations of Rhagoletis pomonella flies, which play a role in the early speciation process. Additionally, the study found that warmer temperatures can significantly alter sexual isolation and lead to asymmetric mating patterns.
JOURNAL OF EVOLUTIONARY BIOLOGY
(2023)