Male-Female Interactions and the Evolution of Postmating Prezygotic Reproductive Isolation among Species of the Virilis Subgroup

<table>Proportion of females with sperm found in different storage organs immediately after mating (0 hours), at 24 hours and 48 hours after mating. White circles are <i>D. novamexicana</i> × <i>D. novamexicana</i>, black circles are <i>D. virilis</i> × <i>D. virilis</i>, and triangles are <i>D. virilis</i> × <i>D. novamexicana</i>. <svg height="7.1374998" id="M19" style="vertical-align:-0.10033pt" version="1.1" viewbox="0 0 7.8874998 7.1374998" width="7.8874998" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,7.1375)">
<g transform="translate(72,-66.29)">
<text transform="matrix(1,0,0,-1,-71.95,66.44)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑛</tspan>
</text>
</g>
</g>
</svg>: the number of females tested.</table>

International Journal of Evolutionary Biology

fig4

Figure 4

Figure 4: Male-Female Interactions and the Evolution of Postmating Prezygotic Reproductive Isolation among Species of the Virilis Subgroup 