Formicidae: key to subfamilies, couplet 4

Formicidae: key to subfamilies, couplet 4
Key: modified from Creighton (1950), Wheeler & Wheeler (1963), Hölldobler & Wilson (1990), Bolton (1994)

Taxa remaining

Ecitoninae*
Myrmicinae
Ecitoninae

Myrmicinae

4.Eyes absent or inconspicuous and at most represented by a single ommatidium or small, featureless blister (Fig. 13). ('army ants', one genus, Neivamyrmex, collected in Illinois, Indiana, Iowa, Missouri, Nebraska, and Kansas)
...Ecitoninae*.

Eyes small (Fig. 14.) to large, but always conspicuous. (collected in all Midwestern states)
...Myrmicinae.

* Absent in MN & Taiwan

Subfamily: Ecitoninae Genus: Neivamyrmex Borgmeier N. carolinensis (Emery)

N. fallax Borgmeier

N. fuscipennis Smith species known from males only

N. minor (Cresson) species known from males only

N. nigrescens (Cresson)

N. opacithorax (Emery)

4.Eyes absent or inconspicuous and at most represented by a single ommatidium or small, featureless blister (Fig. 13). ('army ants', one genus, Neivamyrmex, collected in Illinois, Indiana, Iowa, Missouri, Nebraska, and Kansas)	...Ecitoninae*.
Eyes small (Fig. 14.) to large, but always conspicuous. (collected in all Midwestern states)	...Myrmicinae.

Subfamily: Ecitoninae	Genus: Neivamyrmex Borgmeier	N. carolinensis (Emery)
		N. fallax Borgmeier
		N. fuscipennis Smith species known from males only
		N. minor (Cresson) species known from males only
		N. nigrescens (Cresson)
		N. opacithorax (Emery)