Pseudorthocladius (Pseudorthocladius) clavatosus
A review of the genera Doithrix n. gen., Georthocladius Strenzke, Parachaetocladius Wulker and Pseudorthocladius Goetghebuer (Diptera: Chironomidae, Orthocladiinae). Entomologica Scandinavica Supplement, No. 20 1983: 1-100. 58 [Zoological Record Volume 121]