clypeal anterior margin lacking median tooth

The anterior margin of the clypeus has a single median tooth on the midline and a pair of lateral teeth that straddle the midline. Used in Antkey to separate from Solenopsis geminata and Solenopsis xyloni from Solenopsis invicta and Solenopsis richteri. This is arguably the most useful character for separating these species, but it can be difficult to see on some specimens.

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith