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Pubescence on third gastral tergite relatively dense; the distances between hairs nearly twice as long as their average thickness (Fig. 3.42a); gastral tergites with weak lustre, sometimes with a greyish white tinge; mid tibial length / head width usually greater than 1.18 |
Pubescence on third gastral tergite relatively sparse; distances between hairs ca. 4 times as long as their thickness (Fig. 3.42b); gastral tergites somewhat shining; lateral and posterior faces of head with strong lustre; mid tibial length / head width usually less than 1.18 |
