Chapter 4. Vittorio Delucchi, David Rosen, E. I. Schlinger. 1976. Relationship of systematics to biological control. Pages 81-91. In: C. B. Huffaker, P. S. Messenger (editors). Theory and practice of biological control. Academic Press, New York, 788 pages.

Keywords: the problem of insect identification, taxonomy, identification of target species and determination of native habitats, identification of natural enemies, the limitations of the morphological species concept, the use of other morphological characteristics, the interpretation of sibling species, taxonomic studies and ecosystem sampling, need for arthropod specimen data-management systems