Pictorial key to the ant genera of Illinois

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

Fig. 58 Solenopsis invicta (antweb.org)

Fig. 59 Strumigenys chroa (antweb.org)

Fig. 60 Tetramorium bicarinatum (antweb.org)

Fig. 61 Leptothorax ca01 (antweb.org)

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A Antenna with 10 segments, last 2 segments forming distinct club.

 

 

...Solenopsis
AA Antenna with 4-6 segments, last 2 segments forming distinct club.

 

 

...Strumigenys
AAA Antenna with 12 segments, apical club variable.

 

 

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AAAA Antenna with 11 segments, apical club variable.

 

 

19