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Major workers of the orange species in the P.pulchella group: P.klaman (A, BCASENT0764691), P.pulchella (C, D CASENT0218336), P.heliosa (E, FCASENT0227946). The major worker of P.christinae is unknown. Scale bars: 0.5 mm B, D, F; 1 mm A, C, E.
