329 Works

Data from: Components of cowpea resistance to the seed beetle Callosobruchus maculatus (Coleoptera: Chrysomelidae: Bruchinae)

Frank J. Messina, Alexandra M. Lish & Zachariah Gompert
Cowpea serves as a major source of dietary protein in many tropical and subtropical regions around the world. To identify loci associated with agronomically desirable traits, eight elite cowpea cultivars were systematically inter-crossed for eight generations to yield 305 recombinant inbred lines. Here, we investigated whether these founder parents also possess resistance to the seed beetle Callosobruchus maculatus (F.) (Coleoptera: Chrysomelidae), a highly destructive post-harvest pest. We estimated larval survival in seeds, egg-to-adult development time,...

Data from: Bighorn sheep show similar in-host responses to the same pathogen strain in two contrasting environments

Kezia Manlove, Annette Roug, Kent Hersey, Cameron Martinez, Michael Martinez, Kerry Mower, Talisa Ortega, Eric Rominger, Caitlin Ruhl, Nicole Tatman & Jace Taylor
Ecological context – the biotic and abiotic environment, along with its influence on population mixing dynamics and individual susceptibility – are thought to have major bearing on epidemic outcomes. However, direct comparisons of disease events in contrasting ecological contexts in wildlife systems are often confounded by concurrent differences in host genetics, exposure histories, or pathogen strains. Here, we compare disease dynamics of a Mycoplasma ovipneumoniae spillover event that affected bighorn sheep populations in two contrasting...

Data from: Patterns of range-wide genetic variation in six North American bumble bee (Apidae: Bombus) species

Jeffrey D. Lozier, James P. Strange, Isaac J. Stewart & Sydney A. Cameron
The increasing evidence for population declines in bumble bee (Bombus) species worldwide has accelerated research efforts to explain losses in these important pollinators. In North America, a number of once widespread Bombus species have suffered serious reductions in range and abundance, although other species remain healthy. To examine whether declining and stable species exhibit different levels of genetic diversity or population fragmentation, we genotyped a set of microsatellite markers from populations sampled across the geographic...

Data from: Spatial genetic structure of the mountain pine beetle (Dendroctonus ponderosae) outbreak in western Canada: historical patterns and contemporary dispersal

G. D. N. Gayathri Samarasekera, Nicholas V. Bartell, B. Staffan Lindgren, Janice E. K. Cooke, Corey S. Davis, Patrick M. A. James, David W. Coltman, Karen E. Mock, Brent W. Murray, G. D. N. Gayathri Samarasekera, Nicholas V. Bartell, B. Staffan Lindgren, Janice E. K. Cooke, Corey S. Davis, Patrick M. A. James, David W. Coltman, Karen E. Mock & Brent W. Murray
Environmental change has a wide range of ecological consequences, including species extinction and range expansion. Many studies have shown that insect species respond rapidly to climatic change. A mountain pine beetle epidemic of record size in North America has led to unprecedented mortality of lodgepole pine, and a significant range expansion to the northeast of its historic range. Our goal was to determine the spatial genetic variation found among outbreak population from which genetic structure,...

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