Social' insects and arachnids exhibit forms of complex behaviour that involve cooperation in building a nest, defending against attackers or rearing offspring. This book is a comprehensive, up-to-date ...

Insects and arachnids display the most impressive diversity of mating and social behaviour among all animals. This book investigates sexual competition in these groups, and the variety of ways in ...

A team of researchers has identified the earliest known ecdysozoan fossil, which originated from the Precambrian era.