P. H.  Freytag, ?Rearing techniques for Dryinidae and their hyperparasites (parasitic Hymenoptera)?, in Advances in Parasitic Hymenoptera Research, vol. 1988, V. K.  Gupta, Ed. Leiden/New York: E.J.Brill, 1988, pp. 519-524.

J.  Mitsuhashi, ?Artificial rearing and aseptic rearing of leafhopper vectors: Applications in virus and MLO research?, in Leafhopper Vectors and Plant Disease Agents, K.  Maramorosch and Harris, K. F., Eds. New York, NY: Academic Press, 1979, pp. 369-412.

N.  Waloff and Jervis, M. A., ?Communities of parasitoids associated with leafhoppers and planthoppers in Europe?, in Advances in Ecological Research, vol. 17, A.  MacFayden and Ford, E. D., Eds. London: Academic Press Inc. Limited, 1987, pp. 281-402.