1. Burgess, A. F. & Crossman, S. S. — 1929. Imported insect enemies of the gypsy moth and the browntail moth. —U. S. Dept. Agric. Tech. Bull., 86, 148 p.
2. Drea, J. J. — 1978. A resume of recent studies made by the European Parasite Laboratory withLymantria dispar and its natural enemies in Europe, Iran, and Japan. —Zast. Bilja., 29, 119–125.
3. Hoy, M. A. — 1976. Establishment of gypsy moth parasitoids in North America. An evaluation of possible reasons for establishment or non-establishment. In: Perspectives in Forest Entomology. (J. F. Anderson &H. K. Kaya eds). —Academic Press, N. Y., 428 pp.
4. Nunberg, M. — 1925. The abundance ofPorthetria dispar L. near Bochnia in 1924. —Polskii Pismo. Entomol., 4, 118–133 (Rev. Appl. Entomol., 1925, A, 13, 375).
5. Pawiowicz, J. — 1936. Beobachtungen über einige inPorthetria dispar L.,Malacosoma neustria L. undStilpnotia salicis (L.) [Lep.]. Schmarotzende Hymenopteren und Dipteren. —Zool. Poloniae, 2, 99–118.