Multiple mechanisms of photoreceptor spectral tuning in Heliconius butterflies.
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DOI: 10.1093/molbev/msac067
Abstract: The evolution of color vision is often studied through the lens of receptor gain relative to an ancestor with fewer spectral classes of photoreceptor. For instance, in Heliconius butterflies a genus-specific UVRh opsin duplication led… read more here.
Keywords: color vision; heliconius butterflies; heliconius; evolution ... See more keywords
Chemical signals act as the main reproductive barrier between sister and mimetic Heliconius butterflies
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DOI: 10.1098/rspb.2020.0587
Abstract: Colour pattern is the main trait that drives mate recognition between Heliconius species that are phylogenetically close. However, when this cue is compromised such as in cases of mimetic, sympatric and closely related species, alternative… read more here.
Keywords: reproductive barrier; heliconius; colour pattern; reproductive isolation ... See more keywords
Exploitation of an ancestral pheromone biosynthetic pathway contributes to diversification in Heliconius butterflies
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DOI: 10.1098/rspb.2022.0474
Abstract: During courtship, male butterflies of many species produce androconial secretions containing male sex pheromones (MSPs) that communicate species identity and affect female choice. MSPs are thus likely candidates as reproductive barriers, yet their role in… read more here.
Keywords: exploitation ancestral; diversification; heliconius butterflies; pathway ... See more keywords
The genetic basis of structural colour variation in mimetic Heliconius butterflies
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DOI: 10.1098/rstb.2020.0505
Abstract: Structural colours, produced by the reflection of light from ultrastructures, have evolved multiple times in butterflies. Unlike pigmentary colours and patterns, little is known about the genetic basis of these colours. Reflective structures on wing-scale… read more here.
Keywords: heliconius; variation; structural colour; colour ... See more keywords