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SEM photographsof labrum and epipharynx of: Manticora latipennis Waterhouse (A labrum, dorsal aspect; B epipharynx, ventral aspect); Tetracha carolina Linnaeus (C labrum, dorsal aspect; D epipharynx, ventral aspect); Pogonostoma chalybeum Klug (E labrum, dorsal aspect; F epipharynx, ventral aspect). Legend: see Table 2. Scale bars: 1.0 mm.
