High relatedness promotes the evolution of sociality because potentially costly cooperative behaviours are directed towards kin. However, societies, such as those of social insects, also benefit from genetic diversity, e.g. through enhanced disease resistance and division of labour. Effects of genetic diversity have been investigated in a few complex eusocial species. Here, we show that genetic...

-Long before the Industrial Revolution and the coming of the machine age, Scottish craftsmen, like their colleagues south of the Border, had their Guilds and Incorporations to -safeguard their interests in professional matters and to look after the welfare of their decayed brethren.' The Common Chests of the Incorporations were sustained in several ways, partly by entrance fees, partly by membe...

Our general purpose was to determine whether arthropod communities in midsuccessional habitat are qualitatively different from those in mature habitat. Specifically, we investigated whether foraging guild structure, abundance, and diversity differ in relation to fire history and whether there is evidence of failure in community recovery after a fire. Lastly, we compared our results for the enti...