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Ecology of the Tick Amblyomma hebraeum Koch in the Eastern Cape Province of South Africa. I. Distribution and Seasonal Activity
R. A. I. Norval
The Journal of Parasitology
Vol. 63, No. 4 (Aug., 1977), pp. 734-739
Stable URL: http://www.jstor.org/stable/3279585
Page Count: 6
You can always find the topics here!Topics: Larvae, Ticks, Photoperiod, Nymphs, Riverine habitats, Adult insects, Grasses, Rain, Summer, Vegetation
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In the Eastern Cape Province of South Africa larvae of Amblyomma hebraeum Koch occur in well-drained, shaded habitats, with a ground cover of grass. The life cycle is normally of 3 years 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.
The Journal of Parasitology © 1977 The American Society of Parasitologists