Abstract
In the Eastern Cape Province of South Africa larvae of A. hebraeum occur in well-drained, shaded habitats with a ground cover of grass. The life cycle is normally of 3 yr duration. Peak larval activity occurs in the summer of the 1st year, peak nymphal activity in the spring of the 2nd year and peak adult activity in the summer of the 3rd year. Larval activity shows no direct correlation with macroclimate. Adult activity is correlated with, in the following order of significance, daylength, temperature and rainfall. Nymphal activity appears to be regulated by the same factors.

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