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A catalogue of the soft-scale insects of the world (Homoptera: Coccoidea: Cocidae) with data on geographical distribution, host plants, biology and economic importance. This catalogue lists 162 genera comprising 1090 species and subspecies which have been described since Linnaeus (1758) until the cutoff date of December 1991. Extensive data are presented on taxonomy, nomenclature, synonyms, geographical distribution, host plants, biology, and economic importance of the species. New combinations are established for 40 species. One species, namely Filippia subterranea Gomez-Menor Ortega, is newly synonymized with Lecanopsis formicarum Newstead.
This work is based on the proceedings of a Symposium held at the 19th International Congress of Entomology, Beijing in 1992. Armoured scale insects are major pests and the species of Aphytis are by far their most important natural enemies. This book brings together recent advances in the study of the most important group of biological control agents. Besides its immediate relevance for biocontrol of armoured scale insect pests, the book also aims to provide information of broad general value on the ecology, biology and utilization of natural enemies. It is intended to be of interest to biological control practitioners, agricultural entomologists and advanced students of biological control, IPM and agricultural entomology. Contributors are from USA, Israel, The Netherlands, Peru and South Africa.