H.  Jekel, ?Tentamenta Entomologica.?, Journal of Entomology, vol. 1, pp. 263-274, 1861.

T. V.  Wollaston, ?On certain Coleoptera from St. Helena.?, Journal of Entomology, vol. 1, pp. 207-216+pl.XIV, 1861.

T. V.  Wollaston, ?On certain Coleopterous Insects from the Cape of Good Hope.?, Journal of Entomology, vol. 1, pp. 133-146+pl.XI, 1861.