Over the past decade, advances in both molecular developmental biology and evolutionary
ecology have made possible a new understanding of organisms as dynamic systems …

Natural olfactory stimuli are often complex mixtures of volatiles, of which the identities and
ratios of constituents are important for odor-mediated behaviors. Despite this importance, the …

The North American Plant Protection Organization (NAPPO) is an organization comprising
plant protection regulatory officials of the three signatory countries: the United States …

Phenotypic and genetic variation in one species can influence the composition of interacting
organisms within communities and across ecosystems. As a result, the divergence of one …

Our current understanding of speciation is often based on considering a relatively small
number of genes, sometimes in isolation of one another. Here, we describe a possible …

Ecological speciation with gene flow may be an important mode of diversification for
phytophagous insects. The recent shift of R hagoletis pomonella from its native host downy …

A major goal of evolutionary biology is to understand how variation within populations gets
partitioned into differences between reproductively isolated species. Here, we examine the …

Divergent adaptation to new ecological opportunities can be an important factor initiating
speciation. However, as niches are filled during adaptive radiations, trait divergence driving …

Ecological speciation via host-shifting is often invoked as a mechanism for insect
diversification, but the relative importance of this process is poorly understood. The shift of …

Plant odors consist of a mixture of volatile compounds that are conveyed by diffusion
through air and may disperse over a long distance. They play a major role in mediating …