antennal club
ant morphology

Some morphological terms associated with the head and face.
3-segmented antennal club

The three most apical antennal segments are enlarged relative to all preceding segments, forming a distinct club at the end of the antenna. Used to distinguish among myrmicine genera
4-segmented antennal club

The four most apical antennal segments are enlarged relative to all preceding segments, forming a distinct club at the end of the antenna. Used to distinguish Myrmica species from all other myrmicines in Antkey.
antennal club absent

The funicular segments filiform or becoming incrementally larger, but never forming a distinct 1-4 segmented club.
antennal club 4-segmented

antennal club 4-segmented
ant morphology

Some terms associated with ant morphology (profile view).
antennal club indistinct

antennal club indistinct
antennal club 3-segmented

antennal club 3-segmented
antennal club indistinct

antennal club indistinct
antennal club 3-segmented

antennal club 3-segmented (Monomorium destructor)