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. 2017 Sep 14;8:672. doi: 10.3389/fphys.2017.00672

Figure 1.

Figure 1

Phylogenetic trees of IR genes. Phylogenetic trees were constructed with the maximum likelihood method. Phylogenetic relationships of IR genes in Bactrocera dorsalis and Drosophila melanogaster. The genes of B. dorsalis and D. melanogaster are highlighted in red and blue, respectively. The blue cube indicates the receptors identified in Liu et al. (2016), and the red triangle indicates the receptors identified in Wu et al. (2015). IR, ionotropic receptor.