PrefaceINTRODUCTION TO INSECT EVOLUTION AND BIOLOGYThe evolution of the arthropodsFive factors in a winning formulaInsect structureKEY TO THE INSECT ORDERSTHE INSECT ORDERSThe primitively wingless insectsArchaeognathaThysanuraThe winged insectsEphemeropteraOdonataNeopteraPlecopteraBlattodeaIsopteraMantodeaGrylloblattodeaDermapteraOrthopteraPhasmatodeaEmbiopteraZorapteraPsocopter aPhthirapteraHemipteraThysanopteraMegalopteraRaphidiopteraNeuropteraColeopteraStrepsipteraMecopteraSiphonapteraDipteraTichopteraHymenopteraFIELD WORKBibliographyIndex