Abstract
The dynamics of a low-density population of the cereal leaf beetle (CLB) were studied at the Kellogg Biological Station, Kalamazoo Co., Mich., from 1976 to 1980. Correlation analyses revealed significant correlations between within-generation survival and egg and pupal survival. Egg survival was found to be the most variable from year to year and very dependent upon parasitism by Anaphes flavipes , whose parasitism rate was not correlated with egg density. The total proportion of CLB eggs parasitized by A. flavipes , however, was affected by CLB egg phenology. Survival of CLB pupae from Tetrastichus julis was found to be positively correlated with pupal survival, while CLB pupal survival from Diaparsis temporalis was found to be negatively correlated. Very low levels of parasitism by Lemophagus curtus were observed in this study.
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