Building Bear Fences for Your Apiary

The American black bear is beloved, but it is also the most damaging vertebrate pest of honey bee apiaries in North America. That is in part because bears and beekeepers often share the same home territory. Many top beekeeping and pollination states also fall within the range of the American black bear. Can bears and beekeepers live in peace together? This 6-page fact sheet written by Kimberly K. Post and Cameron Jack and published by the UF/IFAS Entomology and Nematology Department details the basic steps for installing an electrified bear fence around a bee yard so that savvy beekeepers can protect hives and honey without harming honey-loving bears.

Development of zygotic and germline gene drives in mice

CRISPR-based synthetic gene drives have the potential to deliver a more effective and humane method of invasive vertebrate pest control than current strategies. Relatively efficient CRISPR gene drives have been developed in insects and yeast but not in mammals. Here we investigated the efficiency of CRISPR/Cas9-based gene drives in Mus musculus by constructing “split drive” systems with Cas9 under the control of zygotic (CAG) or germline (Vasa) promoters. While both systems generated double stranded breaks at their intended target site in vivo, no homing was detectable. Our data indicate that robust and specific Cas9 expression during meiosis is a critical requirement for the generation of efficient CRISPR-based synthetic gene drives in rodents.

Guide to Introduced Pest Animals of Australia

Australia’s introduced vertebrate pest species cost at least $1 billion annually in economic, environmental and social impacts. The Guide to Introduced Pest Animals of Australia is a comprehensive, practical guide to 60 introduced pest animal species present in Australia, including 27 mammals, 18 birds, nine freshwater fish, two amphibians and four reptiles. It contains descriptive information to identify each species in the field, including distinctive physical characteristics, size, weight, colouration, diet, breeding behaviour, habitat preferences, and information about footprints, dung, scats and audible animal calls. Each species profile is accompanied by practical management information, maps and high-quality photographs – allowing readers to learn about pest species in their local area, what problems they might cause, and what control options exist for management. This guide also contains a number of emerging high-risk pest species that may pose a significant threat to our natural environment, economy, agriculture and human health. Whether you are a farmer, natural resource manager, public land manager, pest controller, teacher, student, field naturalist or wildlife ecologist, this easy-to-use guide will help you identify Australia’s most significant introduced pest animals in your local area.