Search Results - "Hill, Ryan I"

Aristaless Controls Butterfly Wing Color Variation Used in Mimicry and Mate Choice by Westerman, Erica L., VanKuren, Nicholas W., Massardo, Darli, Tenger-Trolander, Ayşe, Zhang, Wei, Hill, Ryan I., Perry, Michael, Bayala, Erick, Barr, Kenneth, Chamberlain, Nicola, Douglas, Tracy E., Buerkle, Nathan, Palmer, Stephanie E., Kronforst, Marcus R.

“…Neotropical Heliconius butterflies display a diversity of warningly colored wing patterns, which serve roles in both Müllerian mimicry and mate choice…”
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Diversification of complex butterfly wing patterns by repeated regulatory evolution of a Wnt ligand by Martin, Arnaud, Papa, Riccardo, Nadeau, Nicola J, Hill, Ryan I, Counterman, Brian A, Halder, Georg, Jiggins, Chris D, Kronforst, Marcus R, Long, Anthony D, McMillan, W. Owen, Reed, Robert D

“…Although animals display a rich variety of shapes and patterns, the genetic changes that explain how complex forms arise are still unclear. Here we take…”
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Frequency dependence shapes the adaptive landscape of imperfect Batesian mimicry by Finkbeiner, Susan D., Salazar, Patricio A., Nogales, Sofía, Rush, Cassidi E., Briscoe, Adriana D., Hill, Ryan I., Kronforst, Marcus R., Willmott, Keith R., Mullen, Sean P.

“…Despite more than a century of biological research on the evolution and maintenance of mimetic signals, the relative frequencies of models and mimics necessary…”
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Limited performance of DNA barcoding in a diverse community of tropical butterflies by Elias, Marianne, Hill, Ryan I, Willmott, Keith R, Dasmahapatra, Kanchon K, Brower, Andrew V.Z, Mallet, James, Jiggins, Chris D

“…) to a diverse community of butterflies from the upper Amazon, using a group with a well-established morphological taxonomy to serve as a reference. Only 77%…”
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Polymorphic Butterfly Reveals the Missing Link in Ecological Speciation by Chamberlain, Nicola L., Hill, Ryan I., Kapan, Durrell D., Gilbert, Lawrence E., Kronforst, Marcus R.

“…Ecological speciation occurs when ecologically based, divergent selection causes the evolution of reproductive isolation. There are many empirical examples of…”
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One generalist or several specialists? Comparative analysis of the polyphagous butterfly Adelpha serpa celerio and its serpa‐group relatives by Rush, Cassidi E., Freitas, André V. L., Magaldi, Luiza, Willmott, Keith R., Hill, Ryan I.

“…Patterns of larval food plant use and immature stage morphology help clarify Neotropical butterfly species diversity, and, in many cases, lineages identified…”
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Phylogenomic Analyses Clarify True Species within the Butterfly Genus Speyeria despite Evidence of a Recent Adaptive Radiation by Thompson, Erin, Baumsteiger, Jason, Hill, Ryan I

“…When confronted with an adaptive radiation, considerable evidence is needed to resolve the evolutionary relationships of these closely related lineages. The…”
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Larval Food Limitation in a Speyeria Butterfly (Nymphalidae): How Many Butterflies Can Be Supported? by Hill, Ryan I, Rush, Cassidi E, Mayberry, John

“…For herbivorous insects the importance of larval food plants is obvious, yet the role of host abundance and density in conservation are relatively…”
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Effectiveness of DNA Barcoding in Speyeria Butterflies at Small Geographic Scales by Hill, Ryan, Ganeshan, Maya, Wourms, Lindsay, Kronforst, Marcus, Mullen, Sean, Savage, Wesley

“…North American Speyeria butterflies are a group of conservation concern and a challenge to butterfly systematists. Establishing species delimitation and…”
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Convergent flight morphology among Müllerian mimic mutualists by Hill, Ryan I.

“…Müllerian mimicry involves a signal mutualism between prey species, shaped by visually hunting predators, and recent work has emphasized the importance of…”
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Vertical distribution, flight behaviour and evolution of wing morphology in Morpho butterflies by DeVries, P. J., Penz, Carla M., Hill, Ryan I.

“…1. Flight is a key innovation in the evolution of insects that is crucial to their dispersal, migration, territoriality, courtship and predator avoidance. Male…”
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Rapid diversification associated with ecological specialization in Neotropical Adelpha butterflies by Ebel, Emily R., DaCosta, Jeffrey M., Sorenson, Michael D., Hill, Ryan I., Briscoe, Adriana D., Willmott, Keith R., Mullen, Sean P.

“…Rapid diversification is often associated with morphological or ecological adaptations that allow organisms to radiate into novel niches. Neotropical Adelpha…”
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Mitochondrial DNA barcoding detects some species that are real, and some that are not by DASMAHAPATRA, KANCHON K, ELIAS, MARIANNE, HILL, RYAN I, HOFFMAN, JOSEPH I, MALLET, JAMES

“…Mimicry and extensive geographical subspecies polymorphism combine to make species in the ithomiine butterfly genus Mechanitis (Lepidoptera; Nymphalidae)…”
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Testing the adaptive hypothesis of Batesian mimicry among hybridizing North American admiral butterflies by Kristiansen, Evan B., Finkbeiner, Susan D., Hill, Ryan I., Prusa, Louis, Mullen, Sean P.

“…Batesian mimicry is characterized by phenotypic convergence between an unpalatable model and a palatable mimic. However, because convergent evolution may arise…”
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Interrelationships and diversification of Argynnis Fabricius and Speyeria Scudder butterflies by DE MOYA, ROBERT S., SAVAGE, WESLEY K., TENNEY, CHRIS, BAO, XIAOSHAN, WAHLBERG, NIKLAS, HILL, RYAN I.

“…Diverse radiations of insects are often associated with adaptations to host plants, and well‐resolved phylogenetic relationships are required to fully…”
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Disentangling Population History and Character Evolution among Hybridizing Lineages by Mullen, Sean P, VanKuren, Nicholas W, Zhang, Wei, Nallu, Sumitha, Kristiansen, Evan B, Wuyun, Qiqige, Liu, Kevin, Hill, Ryan I, Briscoe, Adriana D, Kronforst, Marcus R

“…Abstract Understanding the origin and maintenance of adaptive phenotypic novelty is a central goal of evolutionary biology. However, both hybridization and…”
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Habitat segregation among mimetic ithomiine butterflies (Nymphalidae) by Hill, Ryan I

“…The extensive wing pattern diversity observed among sympatric unpalatable mimetic butterflies is difficult to explain. Diversity is a paradox because selection…”
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Mutualistic Mimicry and Filtering by Altitude Shape the Structure of Andean Butterfly Communities by Chazot, Nicolas, Willmott, Keith R., Santacruz Endara, Paola G., Toporov, Alexandre, Hill, Ryan I., Jiggins, Chris D., Elias, Marianne

“…Both the abiotic environment and abiotic interactions among species contribute to shaping species assemblages. While the roles of habitat filtering and…”
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Population ecology of a California endemic: Speyeria adiaste clemencei by Zaman, Khuram, Tenney, Chris, Rush, Cassidi E, Hill, Ryan I

“…Effective management and recovery of threatened insect populations requires detailed ecological information. Here we combine count and mark recapture (MR) data…”
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Temperature-dependent oxygen limitation in insect eggs by Woods, H Arthur, Hill, Ryan I

“…Most terrestrial insect embryos support metabolism with oxygen from the environment by diffusion across the eggshell. Because metabolism is more temperature…”
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