Anophelessinensis is widely distributed in Wanning County, it is
necessary to understand the spatial distribution characteristics of Anophelessinensis in order to maintain
the elimination of malaria in Wanning.？During May and
October 2009, we sampled adult mosquitoes at 36 villages within Wanning County on
Hainan island, and collected meteorological and geographical data at each
sampling site. We used these data to analyze the spatial distribution of adult Anophelessinensis mosquitoes, and logistic
regression analysis was applied to explore the association of the spatial
distribution of Anophelessinensis with the geographical and meteorological factors. We found that the density of Anophelessinensis showed a significant
positive spatial correlation.？From May to October, on the
whole, the high-density area was located in the central part of Wanning County.
But each month there was a relatively high-density cluster,
and their location and range were not exactly the same. From east to west, the
density of Anophelessinensis increased initially and then decreased, but from south to north, there were
different trends in the periods of May to August and September to October.
Logistic regression analysis showed that the main environmental factors related
with the distribution of Anophelessinensis were land use type, soil type, distance to road, air pressure and relative
humidity. These analysis results showed that the distribution of Anophelessinensis had obvious spatial
heterogeneity in Wanning County, which was related with geographical and
meteorological factors. The mechanism of these environmental factors on the
distribution of Anophelessinensis needs to be further studied.
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