J_Ant : Oligomyrmex [04]

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Japanese Ant Identification Key:[F414-04]

Key of Oligomyrmex [04]

Key Process: Oligomyrmex/Oligomyrmex [01]/

Oligomyrmex borealis Oligomyrmex oni

In both majors and minors, subpetiolar process reduced (Fig. 1.107a); in majors: lateral and posterior margins of propodeum carinate (Fig. 1.108a); eyes of minors situated laterally at mid-length of head; distances between eyes and adjacent mandibular bases longer than the apical segment of an antenna (Fig. 1.109a) In both majors and minors, petiole with a spiniform process (Fig. 1.107b); in majors: lateral and posterior margins of propodeum not carinate (Fig. 1.108b); eyes of minors situated laterally, anterior to the mid-length of head; distances between eyes and adjacent mandibular bases shorter than the apical segment of an antenna (Fig. 1.109b)

Oligomyrmex borealis	Oligomyrmex oni
In both majors and minors, subpetiolar process reduced (Fig. 1.107a); in majors: lateral and posterior margins of propodeum carinate (Fig. 1.108a); eyes of minors situated laterally at mid-length of head; distances between eyes and adjacent mandibular bases longer than the apical segment of an antenna (Fig. 1.109a)	In both majors and minors, petiole with a spiniform process (Fig. 1.107b); in majors: lateral and posterior margins of propodeum not carinate (Fig. 1.108b); eyes of minors situated laterally, anterior to the mid-length of head; distances between eyes and adjacent mandibular bases shorter than the apical segment of an antenna (Fig. 1.109b)