Classification and systematic arrangement of insects

    Classification is the most basic method to understand objective things, so biological classification is the basic method to understand living things. Biological classification uses classification hierarchies (classification systems) to organize each living thing. In other words, each organism has its unique position in the biological classification system. The classification system is arranged hierarchically, like steps, so it is called a classification ladder or classification hierarchy. The classification ladder can be summarized in seven words: realm, phylum, class, order, family, genus, and species. Species is the basic level of classification, an objectively existing entity, and an entity of classification. Now we take housefly (fly) as an example to show its taxonomic status and systematic arrangement:

Kingdom: Animal
    Phylum: Arthropoda
        Class: Insecta
            Order: Diptera           Family: Muscidae ;         Genus: Musca              Species: Musca domestica L

    With the development of classification research, these seven-character classification levels are sometimes no longer sufficient, so "sub" levels are set up under each level, such as subclass, subfamily, and subgenus. , subspecies, etc., there are also "general" levels added to orders and families, such as superfamily and general order, which will not be described in detail here.

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