Cuticular hydrocarbons correlate with queen reproductive status in native and invasive Argentine ants (<i>Linepithema humile</i>, Mayr) - Fig 2

<p><b>Total absolute amount of hydrocarbons (a) and relative amount of hydrocarbons (b) in invasive queens according to reproductive status (mean ± SD) (n = 76).</b> The abbreviations for reproductive status are as in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0193115#pone.0193115.g001" target="_blank">Fig 1</a>. The following additional abbreviations were used in (b): mono-methyl alkanes (Me), di-methyl alkanes (DiMe), and tri-methyl alkanes (TriMe).