Full reference: J. F. Zhang. 1989. Fossil Insects From Shanwang, Shandong, China 1-459
Type specimen: 840069, an exoskeleton. Its type locality is Shanwang, Linqu County, collection 3, which is in a Miocene lacustrine - large mudstone in the Shanwang Formation of China.
Average measurements (in mm): body 19.3 x 7.8