Hoverflies
Gilbert, Francis S.
Hoverflies are attractive, conspicuous and lively insects often seen visiting flowers. Their larvae are colourful but usually well hidden, emerging at night at feed on aphids or greenfly. They play a significant part in the biological control of crop pests. This book introduces the natural history of hoverflies with a thumbnail sketch of 42 of the species most likely to be found. It describes the biology and behaviour of the larvae, with their...