Dubbed a "living fossil" by researchers, the Yao silkworm has been domesticated in virtual isolation for a millennium by the Baiku Yao ethnic group in China. New genetic research on the strain finds that the Yao silkworm is a primitive form of the domestic silkworm species Bombyx mori and more distantly related to other wild silkworm species.
A tiny parasitoid wasp species, long considered a generalist with more than 65 different host species, is revealed in a new study to actually comprise at least 16 different species, identical in appearance but genetically distinct.
A new review looks at innate immunity and superorganism-level social immunity as defenses against immune challenge by viruses in eusocial ants, bees, and wasps.
Dated perceptions of harvester ants as pests of crops and rangelands have been replaced with new understandings of the myriad beneficial roles they play in their native ecosystems.