At present, people's understanding of longicorn beetles is still not comprehensive, and their age can only be proved by extremely rare evidence. Longcorn beetles have experienced hundreds of millions of years of migration and reproduction on the earth, which has made Cerambycidae insects blossom everywhere on the earth. Different climate and environmental differences have created a grand occasion for all kinds of longicorn beetles to blossom. At present, the species of Longcorn beetles have evolved and developed to over 25,000, and there are more than 3,600 species in China alone. The world's largest Cerambycidae is Titan Cerambycidae, which lives in the tropical rain forest of Amazon River, and its body length can reach13cm to18cm.

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The world's smallest North American dwarf Microlongicorn is only 0.23 cm long, and the gap between them is just like ours and cherries. It is hard to imagine that two bugs with such a big gap were once a family. However, because of the variety of longicorn beetles, a number of rare varieties of longicorn beetles have been created. Some people who like insects, adhering to the principle that rare things are precious, have suddenly raised the value of these humble bugs to hundreds of thousands of times. For example, the antlers longicorn beetle, which once sold for 587,000 yuan, is a very rare variety of longicorn beetles.