braaaains
Wasps, hornets, and other Hymenoptera may live nearly solitary lives, live in huge colonies, or something in between. The European hornet, Vespa crabro, lives in a colony consisting of one queen mated to a single male. In Hymenoptera, females are typically diploid (having genes from both parents) while males are typically haploid (having genes only from the female parent). If you draw a diagram of this and stare at it for a long time, you may come to the same conclusions that Bill "Buzz Off" Hamilton came to several years ago. A female would benefit genetically from helping her mother…