--Molars high, with somewhat convex crowns; the cross ridges of the upper grinders deeply three-lobed; the front one with an additional lunate lobe at the base of its front edge; fur fine, mixed with numerous spines somewhat flattened. [Please select]
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The inner face of the lateral lobe bears a narrow semi-lunate black mark with the concavity toward the spiracle, the proximal end acutely pointed. [Please select]
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Frenum: that which holds things together: a lunate or triangular portion at the inner and hinder base of the wing in Odonata and Trichoptera; see tendo. [Please select]
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Lunaris or Lunate: crescent-shaped: formed like a new moon. [Please select]
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