His collection is shared between the natural history museums of Stockholm and Gothenburg. He wrote, with Carl Henrik Boheman Insecta Caffrariae annis 1838-1845 a J.A. Wahlberg collecta. Coleoptera. Holmiae : Fritze & Norstedt Vol. 1 pp. 299–625 published in 1851.
He was elected a member of the Royal Swedish Academy of Sciences in 1840.