Myrmicinae: key to genera couplet 7
Key: modified from Hölldobler & Wilson (1990), Bolton (1994)
Taxa remaining

Tribe Formicoxenini

Harpagoxenus#
Protomognathus#

Protomognathus images not available
Harpagoxenus images not available

7.Mandible with 4 teeth; median impression of anterior clypeal margin broad and very shallow.
(very rare, or with very patchy distribution, one species, P. americanus, collected in Illinois, Indiana, Kansas, Michigan, Minnesota)
...Protomognathus#.
    Mandible with no teeth; median impression of anterior clypeal margin narrow and deep .
(very rare, one species, H. canadensis, collected in Michigan and northeast Minnesota)
...Harpagoxenus#.


Please send any questions or comments regarding these pages to Tim Linksvayer (Tim.Linksvayer@alumni.carleton.edu)
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