Foreword...7 // Preface...9 // Introduction...10 // Is it a hoverfiy? ...12 // Hoverfly biology // The life-cycle of a hoverfly...14 // Adults...15 // Eggs...17 // Larvae...18 // Recording Cheilosio olbipila and C grossa by searching for larvae in thistles...23 // Pupae...28 // Migration...28 // Polymorphism and other colour variations...30 // Mimicry...32 // Finding hoverflies // The seasonal calendar...34 // Where to look for hoverflies...40 // The search for Callicera rufa...45 // Glossary...46 // Identifying hoverflies...49 // Naming the parts...50 // Guide to the tribes...55 // Simplified guide to British hoverfly tribes...63 // Identifying wasp and bee mimics... 64 // A guide to the most frequentlypbotographédhoverflies...67 // THE SPECIES ACCOUNTS (see the following two pages)...71 // List of British and Irish hoverflies...276 // Photographing hoverflies...285 // Collecting hoverflies...291 // Legislation and conservation...296 // Recording hoverflies...297 // Gardening for hoverflies...299 // Further reading and useful addresses...302 // Acknowledgements ...304 // Photographic credits...305 // Index of scientific names...309 // SYRPHINAE // Bacchini // Guide to Bacchini...72 // Baccha ...74 // Melanostoma...76 // Platycheirus...78 // Xanthandrus ...90 // Paragini // Guide to Paragini...92 // Paragus ...92 // Syrphini // Guide to Syrphini...94 // Chrysotoxum ...98 // Xanthogramma ...104 // Doros...106 // Sphaerophoria ...108 // Eriozona ...112 // Leucozona...112 // Dasysyrphus...116 // Didea ...120 // Scaeva ...122 // Eupeodes ...124 // Melangyna ...128 // Meligramma ...134 // Meliscaeva ...136 // Episyrphus ...138 // Epistrophe ...140 // Megasyrphus ...144 // Parasyrphus ...146 // Syrphus...150 //