The Californian avocado industry has recently been impacted by the establishment of three exotic arthropod pests that are native to Mexico and Central America. Establishment of all three pests is thought to have resulted from illegal movement of host plants (avocado) into California. To identify likely sources and routes of entry of such pest invasions, we examined the population genetics of th...

Canada’s grassland ecosystems have undergone major changes since the arrival of European agriculture, ranging from near-complete replacement of native biodiversity with annual crops to the effects of overgrazing by cattle on remnant native grasslands. The majority of the “agroecosystems” that have replaced the historical native grasslands now encompass completely new associations of plants and ...

Allergy – diagnostics – cockroach – tick – storage mite – arthropod Cockroach, tick, storage mite and other arthropod allergies: Where do we stand with molecular allergy diagnostics? Abstract Arthropods form a broad phylum within the animal kingdom, comprising widely varying members such as insects, arachnids, crabs and centipedes. In addition to common allergies to house dust mites or hy-menop...