Fig 1.
Female Aedes aegypti mosquito.
Female A. aegypti mosquitoes used in the experiment to test attractiveness to odours from the hands of identical and non-identical twins.
Fig 2.
Olfactometry equipment used to test the behavioural response of female Aedes aegypti mosquitoes to odours from the hands of identical and non-identical twins. The Y-tube formed of plexiglass with a 70 mm internal diameter allowing the free flight of mosquitoes within the airflow.
Fig 3.
Scatter plots for (A) relative attraction and (B) flight activity for dizygotic twins (open circles) and monozygotic twins (closed circles).
Table 1.
Intraclass correlations (r) and narrow-sense heritability (h2).