Form : The body length is 8.3~11.5mm. From the head to the stomach are black or brown. Luster is not but a yellow noil in the surface. The feelers wears the brown. The front chest’s front part has horizontally shallow and wide groove and it has brown spot pattern. Membranaceous is black and brown and small. The stomach joint is expanded widely. The adult insect of the male has bump look like the nipple shape of couple
Other characters : eggs, larva, adult insect are unequipped transformation.
Where you can see them at “DongBaek” park: