%0 Journal Article %T Monitoring of the endemic Sinai Baton Blue butterfly Pseudophilotes sinaicus in the St Katherine Protectorate, South Sinai %A S Rashad %A M Kamel %A F Gilbert %A AED Ismail %A M James %A S Zalat %J Egyptian Journal of Biology %D 2010 %I Egyptian British Biological Society %X Results of the monitoring of the Sinai Baton Blue butterfly in its stronghold of Farsh Shoeib on Gebel Safsafa in the St Katherine Protectorate between 2004-9 is analysed to compare them with the detailed study of Mike James in 2002-3. The butterfly appears to have a three-year population cycle, with its population crashing regularly to very low levels. The conservation implications are discussed. %U http://www.ajol.info/index.php/ejb/article/view/56575