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Journal Article

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
DOI: 10.2307/3279585
Stable URL: http://www.jstor.org/stable/3279585
Page Count: 6

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Topics: Larvae, Ticks, Photoperiod, Nymphs, Riverine habitats, Adult insects, Grasses, Rain, Summer, Vegetation
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Ecology of the Tick Amblyomma hebraeum Koch in the Eastern Cape Province of South Africa. I. Distribution and Seasonal Activity
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Abstract

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.

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