believe that the Report overemphasizes the
implications of this finding. We argue that
working on pooled samples from collections
in different uncharacterized breeding sites
that were scattered across space and time
without taking into consideration the percentage of collected larvae that reached the adult
stage can represent a critical source of biases.
Furthermore, lack of congruence between the
data from the 2 years of sampling and previously published data from larval samples
collected in the same study area/time frame
(1) raises doubts about the significance of
the finding. Finally, the absence of adults
from the new subgroup (despite the authors’
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attempts to collect them both indoors and outdoors) precludes any predictions of the actual
relative role of this subgroup in the epidemiology of malaria transmission in the area. The
threat to existing malaria control strategies
raised by exophilic mosquito species, possibly including the putative new subgroup,
is widely recognized, but assessment of
their role in malaria epidemiology in Africa
requires much sounder evaluation.
ALESSANDRA DELLA TORRE,* MARCO POMBI,
VINCENZO PETRARCA, MARIO COLUZZI
Department of Public Health and Infectious Diseases, Sapi-enza, University of Rome, Rome, 00185, Italy.
*To whom correspondence should be addressed. E-mail:
1. H. Ranson et al., Malaria J. 8, 299 (2009).
OUTDOOR-RESTING (EXOPHILIC) MOSQUITOES
have been little studied because of the lack of
efficient outdoor sampling methods. Pools of
water for female mosquito oviposition are a
limiting resource, and therefore collecting
mosquitoes from larval pools should sample
all members of the population, regardless of
adults' biting or resting location. Comparison
of standard indoor-resting adult collections
with larval pool collections made from the
same sites highlighted the existence of the
previously undescribed Goundry subgroup.
A Journal with Impact from AAAS, the publisher of Science
Science Translational Medicine
Integrating Medicine and Science
A recent journal article features the sequencing of fetal DNA from plasma
of a pregnant woman to permit prenatal, noninvasive genome-wide
screening to diagnose fetal genetic disorders.
Sci Transl Med 8 December 2010:
Vol. 2, Issue 61, p. 61ra91
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