According to Baidu Encyclopedia, mole crickets are pests, and the damage of mole crickets is manifested in two aspects, namely, indirect damage and direct damage. The direct damage is adults and worms biting the roots and stems of plant seedlings; the indirect damage is adults and worms digging tunnels under the soil, so that the seedling roots and the soil are separated, resulting in the drying up and death of seedlings, resulting in the lack of seedlings in seedbeds and broken rows, seedling yield reduction or seedling failure.
Gryllotalpa (Gryllotalpa spps.) is an arthropod phylum, Insecta, Orthoptera, Cricket family, Gryllotalpa family of insects. Gryllotalpa spps. is commonly known as Lala mayfly, ground mayfly, mole cricket, earth dog, etc., is a medicinal insect. There are five common and widely distributed species of mole crickets in mainland China, namely North China mole crickets (Gryllotalpa unispina Saussure), Oriental mole crickets (Gryllotalpa orientalis Burmeister), Jinxiu mole crickets (Gryllotalpa jinxiuensis You & Li), Henan mole crickets (Gryllotalpa jinxiuensis You & Li), and Henan mole crickets (Gryllotalpa jinxiuensis You & Li). Li), Henan mole crickets (Gryllotalpa henana Cai & Niu) and Taiwan mole crickets (Gryllotalpa formosana Shiraki). The main species generally used for medicine are North China Gryllotalpa and Oriental Gryllotalpa. The medicinal use is usually the dried adults and the whole of the large wakame of Gryllotalpa formosana, an insect of the family Gryllolaptidae.