| myiasis in sheep farms in riyadh region, saudi arabia. | during a survey for myiasis in riyadh region, 3712 sheep were examined. 73 animals (2%) were infested with different dipterous larvae. out of the 115 larvae recovered, 100 larvae (87%) were chrysomya bezziana, 10 (8.7%) were c. albiceps, and 5 (4.3%) were wohlfahrtia nuba. the prevalence rate of larval myiasis among young sheep was 60%, and 40% among adults. the myiasis incidences were highest during mar-may (60%) and sept-nov (31.5%) where temperature and r.h. are optimum. in the dry hot season ... | 2004 | 15125523 |