| 31. | Despite this, it is not known if " M . nigriceps " is mandibles and clypeus are also yellow.
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| 32. | In most species, though, the frons is bordered at its anterior by the frontoclypeal or epistomal sulcus above the clypeus.
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| 33. | Unlike the other species, it has only one central hair on the front of its clypeus and its propodeum is rounded.
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| 34. | The protruding clypeus is large and has a roughly pentagonal shape and two pairs of long fine trigger hairs on the ventral side.
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| 35. | {{ quote | " [ Female ] Black face has a sooty black pubescence, clypeus anteriorly broadly emarginate; mandibles ferruginous.
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| 36. | The clypeus is a sclerite between the face and labrum, which is dorsally separated from the frons by the frontoclypeal suture in primitive insects.
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| 37. | The labrum is a simple, fused sclerite, often called the upper lip, and moves longitudinally, which is hinged to the clypeus.
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| 38. | There is no median seta on the anterior margin of the clypeus, but rather a series of evenly spaced setae along the entire margin.
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| 39. | These are their oval head, rounded clypeus, prominent frontal lobes and in most species, a strongly developed propodeal spine with two large nodes.
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| 40. | For that he won his " agnomen " and since then introduced the " Clypeus Macedoniccus " in his family's medals.
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