Ascogregarina bostrichidorum n. sp. (Lecudinidae, Eugregarinida), a new gregarine parasitizing the larger grain borer, Prostephanus truncatus Horn (1878) (Bostrichidae, Coleoptera). Archiv fuer Protistenkunde, 137(2) 1989: 165-171. 170 [Zoological Record Volume 126]