Myrmicinae: key to genera couplet 8
Key: modified from Hölldobler & Wilson (1990), Bolton (1994)

Subfamily: Genus: 8a F. hirticornis (Emery)  
Myrmicinae Formicoxenus F. provancheri (Emery)  

8.Eyes with short, erect hairs projecting between the ommatidia. (commensals of Myrmica, Manica, and Formica, very rare, collected in Michigan, North Dakota, and South Dakota)

...Formicoxenus*#

  Eyes without erect hairs projecting between the ommatidia.
(collected in all Midwestern states)

...Leptothorax (in part: ant=11)

Subfamily: Genus: 8b    
Myrmicinae Leptothorax many: ant=11, eye w/o hairs  

L. ambiguus

L. texanus davisi

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