Myrmicinae: key to genera, couplet 2

Myrmicinae: key to genera couplet 2
Key: modified from Hölldobler & Wilson (1990), Bolton (1994)

Taxa remaining

Smithistruma
Solenopsis

Figure 57. Myrmicinae: Solenopsis molesta

Figure 58. Myrmicinae: Smithistruma pulchella Det. M.W. Wing

Figure 59. Myrmicinae: Smithistruma pergandei Det. M.W. Wing

2.Antenna with ten segments, terminating in a distinct 2-segmented club (Fig. 57).
(one minute yellow species, Solenopsis molesta, collected in all Midwestern states, two additional species collected in Illinois and Kansas) ...Solenopsis

Antenna with 6 segments (Figs. 58, 59).
(collected in Illinois, Indiana, Iowa, Kansas, Michigan, and the southeastern tip of Minnesota) ...Smithistruma.

Please send any questions or comments regarding these pages to Tim Linksvayer (Tim.Linksvayer@alumni.carleton.edu)
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2.Antenna with ten segments, terminating in a distinct 2-segmented club (Fig. 57). (one minute yellow species, Solenopsis molesta, collected in all Midwestern states, two additional species collected in Illinois and Kansas)	...Solenopsis
Antenna with 6 segments (Figs. 58, 59). (collected in Illinois, Indiana, Iowa, Kansas, Michigan, and the southeastern tip of Minnesota)	...Smithistruma.