Of the natural enemies used in insect pest control, the parasitic Hymenoptera have been the most successful. Within this group, the Encyrtidae are one of six families that have been employed in this way. In the past ten years, two species of encyrtids have been used successfully against two severe pests in African agriculture: the cassava mealybug ...
Edition: 1sts
Binding: 8vo brown buckram 6 vols.
Publisher: Pacific Coast Entomological Soc.
Date Published: July, 1924-Apr.1930
Description: None. All six volumes very good ++. X-Library labels & stamped.; Labels on inner covers & stamped from the Library of the University of Southern California. Library stamp on outer edge of volume 6. Books are very clean throughout. From new species and subspecies of cychrini, dipterous family asildae, cordylurid flies, spiders, micropeza, xylomyges, madrona aphis, codling moth, etc. Etc. Etc. Numbers inked out at bottom of spines.; Illustrations; 1000 pp approx. pages. read more
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Color Atlas of Pests of Ornamental Trees, Shrubs and Flowers
