Key of Pristomyrmex

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Pristomyrmex pungens

Pristomyrmex yaeyamensis

Pronotum without spines (Fig. 1.124a); propodeal spines long - their tips extending well beyond the posterior edge of the propodeum (Fig. 1.124a) Pronotum with spines (Fig. 1.124b); propodeal spines relatively much shorter, their tips not exceeding the posterior edge of the propodeum in profile (Fig. 1.124b)
Pristomyrmex pungens Pristomyrmex yaeyamensis

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