Most cicadas are usually small, with adults ranging from 0.6 to 1.5 inches long. A few species, such as the world's largest imperial cicada (Megapomponia imperatoria), have a wingspan of 6 inches and a body length of 2.1 inches. Tacua speciosa, also native to South Asia, has a wingspan of 5.4 inches and a body length of about 1.2 to 1.5 inches. The exoskeleton of cicadas is very hard, and the wings of cicadas are quite developed, most of them are transparent or translucent, the species with completely opaque wings usually have bright color on the wing surface.
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Crocodiles are carnivorous, egg-laying vertebrate reptiles. They are the oldest reptiles of the era of dinosaurs more than 200 million years ago, and one of the most primitive animals alive today. Crocodiles survive and multiply because of their strong vitality, becoming one of the oldest living fossils on Earth. Crocodiles belong to endangered wildlife protection animals, is listed as the international class I protection of endangered wild animals and plants. The Chinese Alligator Alligator sinensis, a special product of China, has been listed as a national wildlife protection animal.
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Salmon (Oncorhynchus), also known as salmon, salmon, salmon, salmon, belongs to the class bony fish, salmoniformes, salmon genera, mainly distributed in the Atlantic Ocean and the Pacific Ocean, the Arctic Ocean border waters, belongs to the cold water highly migratory fish, known as the "emperor of the ice sea" in the international food world. Studies have shown that both tuna and salmon are delicious, nutritious, and rich in EPA and DHA and other bioactive substances.
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The staghorn worm, the scientific name of the spade beetle. Its body length is 35-60 mm, body width 18-38 mm, is long oval, ridge surface is very long arch. Body chestnut brown to dark brown, head small; The antennae have 10 segments, of which the gill segment is composed of 3 segments, and the horns on the head are non-toxic. Have a rough disposition. Male and female dimorphism: the male has 1 terminal double bifurcated horn process on the top of the head, and l terminal bifurcated horn process in the center of the anterior thoracic backplane, and the back is relatively smooth.
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