Carabus (Procrustes) impressus halfeticus
[Two new subspecies of Carabus (Procrustes) impressus Klug 1832 from its northern and eastern distribution range in Turkey and Syria (Coleoptera, Carabidae).] Entomologische Zeitschrift, 109(6), 17 Juni 1999: 239-245. 242 [Zoological Record Volume 136]