The coccinellid beetle. Delphastus pusillus. may be able to suppress the silverleaf (or strain B sweetpotato) whitefly that has infested California agriculture. Life history characteristics of this predatoi indicate that it is most effective as a biological control agent at high whitefly densities. https://www.jmannino.com/special-deal-A-Magazine-Curated-By-Sacai-quick-pick/