The basics of entomology -- Entomology in action -- Dragonflies & damselflies: order odonata -- Grasshoppers, katydids, & crickets: order orthoptera -- The true bugs: order hemiptera -- Aphids, cicadas, & hoppers: order homoptera -- Beetles: order coleoptera -- Butterflies & moths: order lepidoptera -- flies: order diptera -- Ants, bees, wasps, & kin: order hymenoptera -- Minor insect orders.