MOUBAYED, J.; LANGTON, P. H. Chaetocladius berythensis sp. n., C. callauensis sp. n., C. guardiolei sp. n. and C. parerai sp. n., four relict species inhabiting glacial springs and streams in eastern Pyrenees and Lebanon (Diptera: Chironomidae). CHIRONOMUS Journal of Chironomidae Research, n. 32, p. 42-59, 8 Nov. 2019.