Temperature Extremes May Undermine Biocontrol of Emerald Ash Borer
Sudden cold waves may be lethal to overwintering larvae of two parasitoid wasp species used for biological control of emerald ash borer, while the borer larvae appear to more easily weather the extreme cold.
Alfalfa Leafcutting Bees Like Nests That Face North, Study Shows
An experiment with four-sided nest boxes for alfalfa leafcutting bees showed small variations in environmental conditions from one nest-cavity location to another make a big difference in the bees' nesting preferences and number of offspring.
Rising Temperatures Could Stunt Growth, Threaten Survival of Common Damselfly
In the wetlands of the southern plains of the United States, the damselfly Enallagma civile thrives, but a new study shows rising temperatures could affect the growth, development, and survival of the species in the region.
Climate Change Could Open Doors, Close Others for Spread of Japanese Beetle
A new study modeling potential future climate-change scenarios finds the potential for the invasive Japanese beetle to expand its range northward into new regions in North America, though some parts of it southern range could become too warm for it.