Fig. 4. A in Unique chemistry associated with diversification in a tightly coupled cycad-thrips obligate pollination mutualism

Fig. 4. A chromatogram of a Macrozamia miquelii pollen cone sample that exemplifies the emission of high levels of certain monoterpene components (run on the DB- 5 column on Agilent QQQ GC-MS). The major confirmed components are indicated and include prenyl crotonate which was unknown until characterized in this study (see section 2.2). Nonane (IS) is the internal standard added for quantification.