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7. a) Mid tibial spur short, about a third as long as midbasitarsus (Figure 12a); face flattened between antennae, clypeus finely and closely punctate, with an impunctate triangular area in apical 1/3 (Figure 13a) ….. Dufourea marginata (Cresson)
b) Mid tibial spur long, over half as long as midbasitarsus (Figure 12b); face not flattened between antennae, supraclypeal area and clypeus convex, clypeus deeply and more coarsely punctate, punctures evenly distributed without impunctate area (Figure 13b) ….. 8 |
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Figure 12a: D. marginata (female), mid tibial spur short |
Figure 12b: Mid tibial spur long |
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Figure 13a: D. marginata (female), face flattened between antennae, clypeus with apical impunctate area |
Figure 13b: Face not flattened, supraclypeal area convex, clypeus without apical impunctate area |
