Balduf, W. V.
1935. The bionomics of entomophagous Coleoptera. 185 pp. St. Louis.
1936. Observations on Podalonia violaceipennis (Lep.) (Sphecidae) and Vespula maculata (Linn.) (Vespidae). Canadian Ent., vol. 68, pp. 137-139.
Ball, E. D.; Tinkham, E. R.; Flock, R.; and Vorhies, C. T.
1942. The grasshoppers and other Orthoptera of Arizona. Univ. Arizona Coll. Agr. Exp. Stat. Techn. Bull. No. 93, pp. 257-373.
Ballou, H. A.
1912. Insect pests of the Lesser Antilles. Imp. Dept. Agr., West Indies, pamphlet ser., No. 71, 210 pp.
1916. Report on the prevalence of some pests and diseases in the West Indies during 1915. Part I. Insect pests. West Indian Bull., Barbados, vol. 16, pp. 3-16.
Barber, H. S.
1939. A new parasitic beetle from California (Ripiphoridae). Bull. Brooklyn Ent. Soc., vol. 34, pp. 17-20.
Barber, M. A.