Why is this beetle on the Purple Mountain called "unicorn fairy"?

Yangzi Evening News Network, July 10 (reporter Xu Sheng) Every june to August, Ju Feng, an expert at the Plant Protection Institute of the Sun Yat-sen Cemetery Administration, can often find the figure of "unicorn immortals" on the Purple Mountain, which often gathers in the tree-building cave during the day. The "unicorn fairy" is a type of beetle known as the two-pronged rhinoceros golden turtle, whose male head has a thick and prominent large horn, and the larger the horn, the more advantageous it is when competing for females and food.

The double-forked rhinoceros golden turtle, also known as the "unicorn fairy", its larvae are grubs, also known as "chicken hen worms", which is a more common national second-level protected animal in Purple Mountain. Adults are large and mighty. Excluding the horns on the head, its body length is 35-60 mm, the body width is 18-38 mm, it is oblong-oval, and the ridge is very arched. The body is chestnut brown to dark brown, the head is small, and the antennae have 10 segments.

Double-forked rhinoceros golden turtle, hermaphroditic. The male has a bifurcated horned process at the top of the head, and a terminally forked horn process in the center of the dorsal plate of the anterior thorax, and the back is relatively smooth. The female is slightly smaller, with no horned process on the cephalothorax, but the central surface of the head is raised, with 3 transverse small protrusions, and there is a t-thong-shaped groove in the anterior center of the anterior dorsal plate of the forebreast, and the back is relatively thick and dark. Three pairs of long feet are powerful and powerful, and each has a pair of sharp claws at the end, which is a powerful tool for climbing.

Adult insects usually appear in June and August of each year, mostly nocturnal and diurnal, with a certain degree of phototropism. Adults feed on tree sap and can feed apples, pineapples, bananas and fruits with low water and high sugar content, as well as special insect jelly. In terms of use, the double-forked rhinoceros turtle can be used as an ornament, is a common pet, and is a good-looking and fun insect. Adult insects have infinite power and can pull items that are dozens of times heavier than their bodies.