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. 2022 Dec 6;11:e80859. doi: 10.7554/eLife.80859

Figure 2. Desiccation resistance and cuticular hydrocarbon (CHC) composition in 46 Drosophila species and 4 outgroup species.

Desiccation resistance and CHC composition of each species were plotted together. Males and females are shown separately. The shading intensity of each species represents the number of hours of desiccation resistance, while the size and color of each circle represent the type of CHC and its quantity. n-Alkanes are only present in some species from the melanogaster group.

Figure 2.

Figure 2—figure supplement 1. Desiccation resistance and body weight in 46 Drosophila species and 4 outgroup species.

Figure 2—figure supplement 1.

Desiccation resistance and body weight are shown in separate graphs.
Figure 2—figure supplement 2. The melting temperature of cuticular hydrocarbons (CHCs) is determined by methyl group, double bonds, and carbon-chain length.

Figure 2—figure supplement 2.

Five types of CHCs are detected in this study. Due to their chemical structures, n-alkanes have the highest melting temperatures followed by mbCHCs, monoenes, dienes, and trienes. Increasing length of the carbon-chain can also increase melting temperature. The positions of double bonds in this figure are for illustrative purposes and were not determined in this study.