A customs officer showing a seized illegal imported ant.

Customs in Qingdao of East China's Shandong Province seized a consignment of imported living ants, according to the official Wechat account of General Administration of Customs (GAC) on Sunday, which were identified as illegal imported harmful insects. 

A total of 38 ants were kept in test tubes concealed in a foam parcel box. Each tube contained an adult ant or several juvenile ants. These types of ants have large size and can grow to at most 25 to 45 millimeters. 

23 ants in Myrmecia genus included in seized ants have strong aggressivity and toxicity, which were called "the most dangerous ants" in the world.

According to the regulation policies of GAC, living insects from abroad are not allowed to enter China by post. The consignment is currently being handled by related department.