Deliberations on the External Morphology and Modification of the Labial Segments in the Nepomorpha (Heteroptera: Insecta) with Notes on the Phylogenetic Characteristics
A map of the characters of the apical plate and intercalary sclerites (marked with various colors) indicates the common or individual characters for particular taxa. SA: synapomorphy, AA: autapomorphy, PS: plesiomorphy, RW: reverse, CO: convergence.
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