Domain: Eukarya
    Kingdom: Animalia
        Phylum: Arthropoda
            Subphylum: Hexapoda
                Class: Insecta
                    Order: Trichoptera (Caddisflies)
                        Suborder: Annulipalpia
                            Superfamily: Hydropsychoidea
                                Family: Hydropsychidae (Net-spinning caddisfly)
                                    Genus: Hydropsyche
Species: Hydropsyche betteni

    H. betteni is eukaryotic, meaning they have a true nucleus. Therefore, H. betteni is located within the domain Eukarya. Within the domain Eukarya, H. betteni falls under the kingdom Animalia. Organisms in this kingdom are multicellular as well as heterotrophic (Resh, 2003).
    H. betteni falls under the phylum Arthropoda. Arthropods ("joint-footed animals") contain the characteristics of paired and jointed appendages, a chitinous exoskeleton, molting during growth, a nervous system with well developed sense organs, and a complete digestive system. H. betteni is classified under the subphylum Hexapoda as well. Hexapods have six legs as well as three segments to their entire body: a head, thorax, and abdomen. Within this phylum and subphylum, H. betteni is classified under the class Insecta. The majority of insects have two pairs of wings, three pairs of legs, and a pair of antennae. Many also contain a tracheal system allowing them to get oxygen from the air (Gillis, 2012).
    Within the class Insecta, H. betteni falls under the order Trichoptera (caddisflies). Trichoptera is derived from the greek words of trichos, meaning hair, and pteron, meaning wing. Members of this order, therefore, contain wings with veins and hair (setae) that are folded "rooflike" over the body. They are also found to be softer and small. Their larvae are aquatic and their overall development is described as holometabolous (Hickman, 2009).
    Through further classification, we find that H. betteni is found in the family Hydropsychidae (net-spinning caddisfly). Hydropsychidae is derived from the Greek language meaning "water nymph:" hydro, meaning water, and psyche, meaning the soul (McLeod, 2005).


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