Hexapods - insects see Epiclass Hexapoda Latreille, 1825 Class Insecta Linnaeus, 1758 - insects Subclass Dicondylia Haeckel, 1866 Infraclass Pterygota Lang, 1888 Division Neoptera Martynov, 1923 Subdivision Endopterygota Sharp, 1899 see [unranked] Holometabola "Hymenoptera + Mecopterida" see Superorder Panorpida Section Mecopterida see Superorder Panorpida Superorder Amphiesmenoptera Kiriakoff, 1948 see Superorder Panorpida Order Trichoptera Kirby, 1813 - caddisflies