Gryllotalpa [lóu gū], large earth-dwelling. The antennae are shorter than the body length, the forelegs are open-digging, and the ovipositor is missing. Is a variety of ground-dwelling arthropods phylum Insecta Orthoptera Gryllolaptaptidae insects of the general name. Common name Lala mayfly, grill dog, earth dog pup (Southwest), moth ants (Dobizai), the Northeast known as ground crayfish mayflies. Also known as shear willow boy (pickpocket in Taiwanese). In Sichuan is known as earth dogzi.

About 50 species are known worldwide. China is known to four species: North China mayflies, African mayflies (should be the Oriental mayflies, footprint throughout the country, generally south of the Yangtze River Oriental mayflies more), European mayflies and Taiwan mayflies, often appear in the summer at night, looks different from crickets. Nocturnal phototropism, with very good flight ability.