J_Ant : Ponerinae [02]

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Japanese Ant Identification Key:[F1---02]

Key of Ponerinae [02]

Key Process: Ponerinae/Ponerinae [01]/

Proceratium Discothyrea

Antennae 12-segmented, apical segment shorter than the remaining funiculus (Fig. 3.2a); anterior margin of clypeus straight or projecting in the middle, but not overhanging the mandibles (Fig. 3.3a) Antennae 8- or 9-segmented, apical segment as long as or longer than the remaining funiculus (Fig. 3.2b); anterior margin of clypeus projecting in the middle and overhanging the mandibular bases (Fig. 3.3b)

Proceratium	Discothyrea
Antennae 12-segmented, apical segment shorter than the remaining funiculus (Fig. 3.2a); anterior margin of clypeus straight or projecting in the middle, but not overhanging the mandibles (Fig. 3.3a)	Antennae 8- or 9-segmented, apical segment as long as or longer than the remaining funiculus (Fig. 3.2b); anterior margin of clypeus projecting in the middle and overhanging the mandibular bases (Fig. 3.3b)