Part 1 Biosystematics: identification and classification; collection, preservation and preparation; biosystematics. Part 2 Ecology: distribution and diversity; population dynamics; insecticidal impact; ecotypism; polymorphism. Part 3 Biology: postembryonic development. Part 4 Structure and function; digestive system; salivary system; reproductive system; egg; scent glands; neuroendocrine system; chromosomes; haemocytes. Part 5 Behaviour: predatory behaviour; mating behaviour; oviposition behaviour; defensive and offensive behaviours. Part 6 Economic importance: conservation and augmentation; biological control potential. Part 7 Phylogeny: origin and evolution; recommendations.