[Notes on Palaearctic Asilidae (Diptera Brachycera) (10 and 11). Description and geographic distribution of 2 new species of Dasypogon of the "diadema (Fabricius, 1781)" group.] Bulletin de la Societe Royale Belge d'Entomologie, 135(7-12), Juillet-Decembre 1999: 216-221. 218 [Zoological Record Volume 136]