what are the three categories of insects?
['Alderflies, Dobsonflies & Fishflies (Order: Megaloptera)', 'Bees, Wasps and Ants (Order: Hymenoptera)', 'Beetles (Order: Coleoptera)', 'Butterflies and Moths (Order: Lepidoptera)', 'Caddisflies (Order: Trichoptera)', 'Fleas (Order: Siphonaptera)', 'Flies (Order: Diptera)', 'Lacewings, Antlions & Mantidflies (Order: Neuroptera)']