Figure 4.

Correlation between the presence/absence of Wnt6 and maxillary palps in insects. Simplified phylogenetic tree of hexapoda, based on [2]. The presence or absence of maxillary palps and Wnt6 are indicated on the right. The insect species with whole genome information are listed. n.a. – no genomic information available. The position of hemiptera nested within groups with maxillary palps indicate that the absence of maxillary palps in this group is due to evolutionary loss.

Doumpas et al. BMC Biology 2013 11:104   doi:10.1186/1741-7007-11-104
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