The name dui honours Du Congcong, who helped collect specimens in Guangxi. The species was described from Guangxi, China.
The male holotype is 4.16 mm long. Its oval abdomen is dark brown above, with white spots at the front and rear. The female paratype is 5.21 mm long, with a yellow-brown abdomen bearing a black pattern.
The male holotype and paratypes were collected in Jinxiu County, Guangxi, in April 2023. Other paratypes were collected at 1,144 m in Silverwood Forest Park in April 2024. The stated habitat is beneath the humus layer in deciduous broadleaf forests.
An extinction-risk assessment has not been added yet.