Jones, R. A. 1996. Helops caeruleus (L) (Coleoptera: Tenebrionidae) in south-east London. British Journal of Entomology and Natural History 9:129-132.
Jones, R. A. 1996. Helops caeruleus (L) (Coleoptera: Tenebrionidae) in south-east London. British Journal of Entomology and Natural History 9:129-132.