Abd-Rabou, Shaaban.

Natural enemies of the soft brown scale, Coccus hesperfoijml. (Homoptera: Coccidae) in Egypt [electronic resource]. الأعداء الحيوية علي الحشرة البنية الرخوة في مصر. - p.77-87.

Includes references.

The 50ft brown scale, Coccus hesperidum L. (Homoptera: Coccidae) is an important pest of orchards trees in Egypt. During January, 2003 - December, 2004 survey of C hesperidum parasitoids and predators was conducted. The following thirteen parasitoid species of aphelinids, encyrtids, eulophids, mymarids and pteromalids were collected and recorded. Parasitoids included: Alaptus sp., Coccophagus bivittatus Compere, C ishii Compere, C lycimnia (Walker), C scutellaris (Dalman), Diversinervus elegans Silvestri, Blcarsia citrina (Craw), Marietta leopardina Motschulsky, M. picta (Andre), Microterys flavus (Howard), Parechthrodryinus coccidipharus (Mercet), Scutellista cyanea Motschulsky and Tetrastichus ; sp. Six of them are new records in Egypt. However, 8 predators vlere collected, these are Chrysoperla carnea (Stephens), Chrysopa septempunctata Wesm., Coccinella septempunctata L., Orius laelfigatus Fieb., Orius albidipennis Reuter, Scymnus interruptus Goez., Exochomus flavipes Thunb. and Metasyrphus corollae Fa b. Abundance of these parasitoid and predator species was evaluc ted in three locations, namely Gharbiya, Qalyubiya and Giza. C scutellaris and E flavipes were collected from all investigate j locations and were the effective natural enemies of C hesperidum.


Summary in Arabic.