Understanding coexistence of closely related species lies at the nexus of disentangling how
historical and ecological factors govern patterns of biodiversity. The criteria determining …

Highlights•Dragonflies have a remarkable number of opsin genes.•Opsin genes are
differentially expressed between stages and regions in dragonflies.•Multilayer structure is …

Field investigations of phenotypic variation in free‐living organisms are often limited in
scope owing to time and funding constraints. By collaborating with online communities of …

Reproductive interference is widespread, despite the theoretical expectation that it should
be eliminated by reproductive character displacement (RCD). A possible explanation is that …

Interspecific territoriality has complex ecological and evolutionary consequences. Species
that interact aggressively often exhibit spatial or temporal shifts in activity that reduce the …

Dragonflies are colorful diurnal insects with large compound eyes. Because they visually
recognize conspecific and heterospecific individuals, their body color plays essential roles in …

Smoky rubyspot damselflies (Hetaerina titia Drury, 1773) are one of the most commonly
encountered odonates along streams and rivers on both slopes of Central America and the …

Animal coloration has a wide range of biological functions and may be subject to different,
sometimes conflicting, selective pressures. In crustaceans, the evolution of coloration is …

Seasonal polyphenism constitutes a specific type of phenotypic plasticity in which short‐
lived organisms produce different phenotypes in different times of the year. Seasonal …

Seasonal polyphenism is a phenomenon where two or more phenotypes are produced from
a single genotype in different seasons. This phenomenon, a special type of phenotypic …