Pictorial key to the ant genera of Illinois

by N.C. Wilkins and S.B. Menke

Fig. 19 Polyergus lucidus (antweb.org)

Fig. 20 Formica glacialis (antweb.org)

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A Mandible long and sickle-shaped, with minutely serrate inner margin but lacking dentate cutting margin. Reddish color.

 

...Polyergus
6'
AA Mandible not long, approximately triangular with oblique or transverse multidentate cutting margin. Color variable.
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