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Butterflies belong to the class Insecta, which is the largest class in the phylum Arthropoda. Insects within this class are characterized by having three body segments, six legs, and typically one or two pairs of wings.
The phylum of the class Hexapoda is Arthropoda. Hexapoda refers to insects, which are characterized by having six legs. Arthropods are a diverse group of invertebrates with jointed limbs and a hard exoskeleton.
Insects belong to the class Insecta in the phylum Arthropoda.
Insecta (the insects) are the only invertebrates to have flight capability, found under subphylum Hexapoda below the arthropods (phylum Arthropoda). Winged insects are under subclass Pterygota.
0; insects are all classified within Class Hexapoda.
Like all the other weevils, the giraffe weevil is a beetle, and thus, belongs to the class Hexapoda.
Members of a group have more characteristics in common at the class level in the classification hierarchy. The class level is a more specific classification than the phylum level, so organisms within the same class share more similarities in terms of structure, behavior, and evolutionary history.
Under phylum Arthropoda are several subphyla including subphylum Hexapoda which contains class Insecta (the insects); and Myriapoda which contains class Chilipoda (the centipedes) and class Diplopoda (the millipedes).
The Hexapoda subphylum has a couple classes, Insecta with all the insects, and Class Entognatha, which have mouthparts retracted into the head; below which are significantly smaller wingless groups: Collembola, Protura, and Diplura. Some of these groups were formerly classified under Insecta. Partly based on recent research, there is still debate about classes under hexapoda, some models will show up to four sub groups including those of uncertain classification.
By definition all insects are arthropods - evidencing the defining characteristics of the phylum: segmented bodies, joint appendages, bodies covered by a chitinous exoskeleton. Insects (class Insecta) fall below the subphylum Hexapoda ("six legs") below phylum Arthropoda ("jointed appendages").
Derived Characteristics.
Under the arthropoda phylum are subphyla Chelicerata, Myriapoda, Crustacea, and Hexapoda. (There is also an extinct class Marrellomorpha and an the extinct Trilobite subphylum). The chelicerata include spiders, scorpions, mites, etc. Myriapods include centipedes and millipedes. Crustaceans include lobsters, krill, crabs, shrimp, woodlice, etc. Hexapoda include the class Insecta, the insects.