- Halstead, A. J. 1994. Some local Coleoptera taken in 1993 Pages 169-170 in 1993 Annual Exhibition, Imperial College, London SW7-30 October 1993. British Journal of Entomology and Natural History 7145-180.
- Halstead, A. 1994. Some local Coleoptera taken in 1993. Pages 169-170 In 1993 Annual Exhibition, Imperial College, London SW7-30 October 1993. British Journal of Entomology and Natural History 7:145-180.
- Halstead, J. 1990. New hosts for Cephalonomia utahensis Brues (Hymenoptera: Bethylidae) . Pan-Pacific Entomologist 66:170-171.