A new study has mounted perhaps the most intricate, detailed look ever at the diversity in structure and form of bees, offering new insights in a long-standing debate over how complex social behaviors arose in certain branches of bees' evolutionary tree. The report offers strong evidence that complex social behavior developed just once in pollen-carrying bees, rather than twice or more, separately, in different evolutionary branches—but researchers say the case is far from closed.
A recent review in the open-access Journal of Insect Science shines a light on the diversity of host-symbiont relationships among holometabolous insects.
A researcher studying termites' digging techniques says that understanding individual roles in collective activities can shine a light on the evolution of such behavior and how social insects perform simple tasks to ultimately construct complex structures.
Researchers find that the butterfly species Bicyclus anynana passes down a preference for leaves that smell like banana to its next generation—another curious example of inheritance of a learned trait.