Basova, T.V. 1983 [Scutellista cyanea - a natural enemy of soft scales.]. Zashchita Rastenii No. 1: 30-31.
Notes: In 1979, Scutellista cyanea Motsch., a predator on eggs of Coccidae, especially the Japanese scale [Ceroplastes japonicus Green], which is a serious pest of citrus in Abkhazia, western Georgia and Sochi, USSR, was introduced into that country from France. It was established successfully in Adzharia and Abkhazia, overwintering on the olive scale [Saissetia oleae (Ol.)]. Since C. japonicus and the Chinese wax scale [C. sinensis Del G.] develop in one generation in the Transcaucasus, it is necessary to mass-rear the predator in the laboratory and make periodic releases. In the laboratory, the average fecundity of S. cyanea was 82.4 eggs/female at 26.5øC and 65% RH, from which an average of 48 young adults resulted. The average female life-span was 11.8 days. The percentage of adults from fertilised eggs living up to 30 days was 58.3 and the ratio of males to females was 1:1.54. Unfertilised eggs hatched after 30 days and gave rise only to males.