For rusty patched bumble bees, low genetic diversity between colonies and other genetic factors underscore the fragility of their limited populations, according to a new study.
German cockroaches fed sucralose in lab tests were less likely to survive after several days, with apparent links to water loss and changes in gut bacteria.
Wasps that generate plant growths called galls commonly have large venom glands relative to body size, suggesting a key role for venom in gall formation.
The U.S. needs more medical entomologists as it faces diseases spread by insects and arthropods. A new master's degree program aims to address the shortage.